{"id":1344,"date":"2026-05-19T03:52:12","date_gmt":"2026-05-19T03:52:12","guid":{"rendered":"https:\/\/mgzny8a94l.wpdns.site\/?p=1344"},"modified":"2026-05-19T07:16:35","modified_gmt":"2026-05-19T07:16:35","slug":"base-oil-solvent-extraction-equipment","status":"publish","type":"post","link":"https:\/\/vboltoilrecycling.com\/ru\/base-oil-solvent-extraction-equipment\/","title":{"rendered":"\u041e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u0434\u043b\u044f \u044d\u043a\u0441\u0442\u0440\u0430\u043a\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 \u0431\u0430\u0437\u043e\u0432\u043e\u0433\u043e \u043c\u0430\u0441\u043b\u0430 \u0440\u0430\u0441\u0442\u0432\u043e\u0440\u0438\u0442\u0435\u043b\u0435\u043c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p>\n      Base oil extraction equipment primarily utilizes the difference in\n      solubility of different substances in specific solvents to achieve the\n      separation and extraction of base oil. Its working principle is as\n      follows:\n    <\/p>\n\n    <p>&nbsp;<\/p>\n\n    <p><span style=\"color: #1f89e5\">1. Solvent Selection<\/span><\/p>\n\n    <p>\n      Using organic solvents\n      with&nbsp;different&nbsp;solubility&nbsp;characteristics of ideal\n      and&nbsp;non ideal components to&nbsp;purify base oil for\n      better&nbsp;sulfur content, antioxidant\n    <\/p>\n\n    <p>&nbsp;<\/p>\n\n    <p><span style=\"color: #1f89e5\">2. Mixing and Dissolution<\/span><\/p>\n\n    <p>\n      Thoroughly mix the base oil with the solvent. Under certain temperature\n      and pressure conditions,the non-ideal components in the base oil dissolve\n      in the solvent and then.\n    <\/p>\n\n    <p>&nbsp;<\/p>\n\n    <p><span style=\"color: #1f89e5\">3. Separation Stage<\/span><\/p>\n\n    <p>\n      After synchronous high-speed&nbsp;rotation of the mixed liquid\n      and&nbsp;the drum, centrifugal force is generated.The\n      high-density&nbsp;liquid(solvent)approaches the drum wall,while the\n      low-density&nbsp;liquid(base oil) gradually moves&nbsp;towards the center.\n      Finally, the two liquids come out through their&nbsp;&nbsp;respective\n      channels,achieving liquid separation.\n    <\/p>\n\n    <p>&nbsp;<\/p>\n\n    <p><span style=\"color: #1f89e5\">4. Solvent Recovery<\/span><\/p>\n\n    <p>\n      Treat the solvent phase containing the base oil by changing the\n      temperature and pressure to evaporate or volatilize the solvent, thereby\n      separating the base oil. The recovered solvent can be recycled to reduce\n      costs.\n    <\/p>\n\n    <div class=\"custom-row\">\n      <div class=\"custom-col\">\n        <iframe\n          height=\"350\"\n          src=\"https:\/\/www.youtube.com\/embed\/Ub4kzMTSMNY?si=wis9UzS-myRe1JhW\"\n          frameborder=\"0\"\n          allowfullscreen=\"\"\n        ><\/iframe>\n      <\/div>\n      <div class=\"custom-col\">\n        <img\n          decoding=\"async\"\n          src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/sdfg54.webp\"\n          alt=\"\"\n        \/>\n      <\/div>\n    <\/div>\n    <style>\n      .custom-row {\n        display: flex;\n        flex-wrap: wrap;\n        gap: 20px; \/* \u95f4\u8ddd *\/\n        align-items: flex-start;\n      }\n      .custom-col {\n        flex: 1;\n        min-width: 300px; \/* \u5c4f\u5e55\u592a\u5c0f\u65f6\u81ea\u52a8\u6362\u884c *\/\n      }\n      .custom-col iframe,\n      .custom-col img {\n        width: 100%;\n        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clamp(30px, 4vw, 44px);\n        margin-bottom: 14px;\n        color: #fff !important;\n      }\n\n      .lp-scope .cta-box p {\n        max-width: 760px;\n        margin: 0 auto 26px;\n        color: rgba(255, 255, 255, 0.9) !important;\n        line-height: 1.8;\n        font-size: 17px;\n      }\n\n      .lp-scope .reveal {\n        opacity: 0;\n        transform: translateY(36px);\n        transition: all 0.8s ease;\n      }\n\n      .lp-scope .reveal.active {\n        opacity: 1;\n        transform: translateY(0);\n      }\n\n      @media (max-width: 1024px) {\n        .lp-scope .hero-inner,\n        .lp-scope .stats-grid,\n        .lp-scope .cards-3,\n        .lp-scope .process-grid,\n        .lp-scope .app-grid,\n        .lp-scope .case-grid,\n        .lp-scope .charts-grid-advanced,\n        .lp-scope .detail-block,\n        .lp-scope .cert-box,\n        .lp-scope .model-extra-grid {\n          grid-template-columns: 1fr 1fr;\n        }\n      }\n\n      @media (max-width: 768px) {\n        .lp-scope .hero-inner,\n        .lp-scope .stats-grid,\n        .lp-scope .cards-3,\n        .lp-scope .process-grid,\n        .lp-scope .app-grid,\n        .lp-scope .case-grid,\n        .lp-scope .charts-grid-advanced,\n        .lp-scope .cert-box,\n        .lp-scope .model-extra-grid {\n          grid-template-columns: 1fr;\n        }\n\n        .lp-scope .content-section {\n          padding: 56px 0;\n        }\n\n        .lp-scope .section-title {\n          margin-bottom: 34px;\n        }\n\n        .lp-scope .section-title h2 {\n          font-size: 30px;\n          line-height: 1.2;\n        }\n\n        .lp-scope .section-title p {\n          font-size: 15px;\n          line-height: 1.75;\n        }\n\n        .lp-scope .hero {\n          min-height: auto;\n        }\n\n        .lp-scope .hero-inner {\n          padding: 48px 0 58px;\n          gap: 24px;\n        }\n\n        .lp-scope .eyebrow {\n          font-size: 11px;\n          padding: 7px 12px;\n    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1.7;\n        }\n\n        .lp-scope .stat-card {\n          padding: 26px 16px;\n        }\n\n        .lp-scope .stat-number {\n          font-size: 32px;\n        }\n\n        .lp-scope .stat-label {\n          font-size: 14px;\n        }\n\n        .lp-scope .info-card .text,\n        .lp-scope .case-body,\n        .lp-scope .chart-box,\n        .lp-scope .model-extra-card {\n          padding: 18px;\n        }\n\n        .lp-scope .detail-block,\n        .lp-scope .detail-block.reverse {\n          display: grid !important;\n          grid-template-columns: 1fr !important;\n          gap: 18px !important;\n          padding: 18px !important;\n          align-items: start !important;\n        }\n\n        .lp-scope .detail-block .detail-image,\n        .lp-scope .detail-block.reverse .detail-image {\n          order: 1 !important;\n          width: 100% !important;\n          min-width: 0 !important;\n        }\n\n        .lp-scope .detail-block .detail-text,\n        .lp-scope 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li {\n          font-size: 15px !important;\n          line-height: 1.75 !important;\n          word-break: normal !important;\n          overflow-wrap: break-word !important;\n        }\n\n        .lp-scope .module-label {\n          font-size: 12px !important;\n          line-height: 1.4 !important;\n          margin-bottom: 10px !important;\n          display: inline-block !important;\n        }\n\n        .lp-scope .feature-list {\n          padding-left: 18px !important;\n          margin-top: 12px !important;\n        }\n\n        .lp-scope .process-item,\n        .lp-scope .app-item {\n          padding: 20px 16px;\n        }\n\n        .lp-scope .process-icon {\n          width: 54px;\n          height: 54px;\n          font-size: 18px;\n        }\n\n        .lp-scope .app-icon {\n          width: 52px;\n          height: 52px;\n          font-size: 18px;\n        }\n\n        .lp-scope th,\n        .lp-scope td {\n          padding: 14px 12px;\n          font-size: 14px;\n        }\n\n        .lp-scope .chart-title {\n          font-size: 18px;\n        }\n\n        .lp-scope .chart-note {\n          font-size: 13px;\n          line-height: 1.65;\n        }\n\n        .lp-scope .echart-box {\n          height: 260px !important;\n        }\n\n        .lp-scope .echart-box.large {\n          height: 300px !important;\n        }\n\n        .lp-scope .model-table-wrap {\n          display: none;\n        }\n\n        .lp-scope .model-cards {\n          display: grid;\n        }\n\n        .lp-scope .model-row {\n          grid-template-columns: 88px 1fr;\n        }\n\n        .lp-scope .model-card-head h3 {\n          font-size: 18px;\n        }\n\n        .lp-scope .model-row strong {\n          font-size: 14px;\n        }\n\n        .lp-scope .model-note-box {\n          padding: 16px;\n        }\n\n        .lp-scope .spec-table-wrap-desktop {\n          display: none;\n        }\n\n        .lp-scope .spec-cards-mobile {\n          display: grid;\n        }\n\n        .lp-scope .spec-item {\n          grid-template-columns: 96px 1fr;\n        }\n\n        .lp-scope .case-card img {\n          height: 220px;\n        }\n\n        .lp-scope .case-body h4 {\n          font-size: 20px;\n          margin-bottom: 10px;\n        }\n\n        .lp-scope .case-meta {\n          padding: 12px;\n          margin: 12px 0;\n        }\n\n        .lp-scope .case-meta p,\n        .lp-scope .case-body p {\n          font-size: 14px;\n          line-height: 1.7;\n        }\n\n        .lp-scope .profit-box {\n          font-size: 14px;\n          padding: 12px;\n        }\n\n        .lp-scope .cases-mobile-note {\n          display: block;\n          margin-top: 18px;\n          text-align: center;\n          color: #667085 !important;\n          font-size: 13px;\n        }\n\n        .lp-scope .faq-question {\n          padding: 18px 18px;\n          font-size: 16px;\n        }\n\n        .lp-scope .faq-answer {\n          padding: 0 18px;\n        }\n\n        .lp-scope .faq-answer p {\n          font-size: 14px;\n          padding-bottom: 18px;\n        }\n\n        .lp-scope .cta-box {\n          padding: 46px 18px;\n          border-radius: 22px;\n        }\n\n        .lp-scope .cta-box h2 {\n          font-size: 28px;\n        }\n\n        .lp-scope .cta-box p {\n          font-size: 15px;\n          line-height: 1.75;\n        }\n      }\n    <\/style>\n    <div class=\"lp-scope\">\n      <section class=\"hero\" id=\"overview\">\n        <div class=\"container hero-inner\">\n          <div class=\"hero-left\">\n            <div class=\"eyebrow\">Advanced Base Oil Refining Equipment<\/div>\n\n            <h1>Base Oil Solvent Extraction Plant<\/h1>\n\n            <p>\n              The Base Oil Solvent Extraction Plant is designed for regenerated\n              and refined base oil upgrading through NMP solvent extraction and\n              vacuum solvent recovery. The system removes asphaltenes, gums,\n              sulfur-, nitrogen- and oxidation-related unstable compounds while\n              supporting continuous low-energy and environmentally compliant\n              operation.\n            <\/p>\n\n            <div class=\"hero-buttons\">\n              <a class=\"btn btn-primary\" href=\"javascript:;\" onclick=\"asfrom()\"\n                >Get A Quote<\/a\n              >\n            <\/div>\n\n            <div class=\"hero-tags\">\n              <div class=\"tag\">Base Oil Refining<\/div>\n\n              <div class=\"tag\">NMP Solvent Extraction<\/div>\n\n              <div class=\"tag\">Vacuum Recovery<\/div>\n\n              <div class=\"tag\">Continuous Operation<\/div>\n            <\/div>\n          <\/div>\n\n          <div class=\"hero-card\">\n            <img decoding=\"async\"\n              alt=\"Base oil solvent extraction plant overview\"\n              src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/2026-05-18_174056_703.webp\"\n              style=\"width: 100%; height: auto; max-width: none\"\n            \/>\n            <h3>Plant Product Highlights<\/h3>\n\n            <ul>\n              <li>\n                Efficient removal of asphaltenes, gums and unstable compounds\n              <\/li>\n              <li>Integrated extraction and solvent recovery modules<\/li>\n              <li>Low operating cost with high solvent recovery rate<\/li>\n              <li>\n                Suitable for regenerated base oil upgrading and pretreatment\n              <\/li>\n            <\/ul>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section alt reveal\">\n        <div class=\"container\">\n          <div class=\"stats-grid\">\n            <div class=\"stat-card\">\n              <div class=\"stat-number\" data-target=\"24\">0<\/div>\n\n              <div class=\"stat-label\">Hours Continuous Operation<\/div>\n            <\/div>\n\n            <div class=\"stat-card\">\n              <div class=\"stat-number\" data-target=\"99\">0<\/div>\n\n              <div class=\"stat-label\">Typical Solvent Recovery Rate<\/div>\n            <\/div>\n\n            <div class=\"stat-card\">\n              <div class=\"stat-number\" data-target=\"60\">0<\/div>\n\n              <div class=\"stat-label\">Typical Extraction Temperature<\/div>\n            <\/div>\n\n            <div class=\"stat-card\">\n              <div class=\"stat-number\" data-target=\"4\">0<\/div>\n\n              <div class=\"stat-label\">Core Process Modules<\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section reveal\" id=\"features\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Product Highlights<\/h2>\n\n            <p>\n              This page presents the Base Oil Solvent Extraction Plant as an\n              industrial equipment product, focusing on solvent refining\n              technology, impurity removal efficiency, solvent recovery\n              performance and application value for base oil upgrading.\n            <\/p>\n          <\/div>\n\n          <div class=\"cards-3\">\n            <div class=\"info-card\">\n              <img decoding=\"async\"\n                alt=\"Centrifugal extraction technology\"\n                src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/fdgjtdrf.webp\"\n              \/>\n              <div class=\"text\">\n                <h3>Centrifugal Extraction Technology<\/h3>\n\n                <p>\n                  The system uses NMP centrifugal extraction to improve mass\n                  transfer efficiency in a compact structure, helping remove\n                  undesirable components more effectively than traditional\n                  tower-type processes.\n                <\/p>\n              <\/div>\n            <\/div>\n\n            <div class=\"info-card\">\n              <img decoding=\"async\"\n                alt=\"Vacuum solvent recovery system\"\n                src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/0de9f2d2-e576-42a6-86e4-76f8f2480e5b-1.webp\"\n              \/>\n              <div class=\"text\">\n                <h3>High Solvent Recovery Efficiency<\/h3>\n\n                <p>\n                  Vacuum heating and distillation allow efficient solvent\n                  separation and recirculation, reducing solvent loss and\n                  lowering long-term operating cost.\n                <\/p>\n              <\/div>\n            <\/div>\n\n            <div class=\"info-card\">\n              <img decoding=\"async\"\n                alt=\"Refined oil quality improvement\"\n                src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/ff7f8592-3b51-44ff-9841-ebcde03bd.webp\"\n              \/>\n              <div class=\"text\">\n                <h3>Cleaner &amp; More Stable Base Oil<\/h3>\n\n                <p>\n                  The process helps improve oil color, oxidation stability,\n                  residual carbon level and long-term storage behavior without\n                  generating acid sludge or large volumes of solid waste.\n                <\/p>\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section alt reveal\" id=\"process-flow\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Core Process Technology Modules<\/h2>\n\n            <p>\n              From extraction to final dried refined oil output, the plant\n              adopts a continuous modular route for impurity removal, solvent\n              recovery and quality upgrading.\n            <\/p>\n          <\/div>\n\n          <div class=\"process-grid\">\n            <div class=\"process-item\">\n              <div class=\"process-icon\">1<\/div>\n\n              <h4>Extraction<\/h4>\n\n              <p>NMP selectively removes non-ideal components from base oil.<\/p>\n            <\/div>\n\n            <div class=\"process-item\">\n              <div class=\"process-icon\">2<\/div>\n\n              <h4>Recovery<\/h4>\n\n              <p>\n                Vacuum separation recovers solvent from raffinate and extract.\n              <\/p>\n            <\/div>\n\n            <div class=\"process-item\">\n              <div class=\"process-icon\">3<\/div>\n\n              <h4>Stripping<\/h4>\n\n              <p>Superheated steam removes residual trace solvent.<\/p>\n            <\/div>\n\n            <div class=\"process-item\">\n              <div class=\"process-icon\">4<\/div>\n\n              <h4>Drying<\/h4>\n\n              <p>Final moisture removal improves product stability.<\/p>\n            <\/div>\n\n            <div class=\"process-item\">\n              <div class=\"process-icon\">5<\/div>\n\n              <h4>Storage<\/h4>\n\n              <p>Finished refined base oil is sent to tank storage for use.<\/p>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section reveal\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Detailed Process Introduction<\/h2>\n\n            <p>\n              A more detailed display of the main process modules, matching\n              product-level technical presentation needs for industrial buyers\n              and investment decision makers.\n            <\/p>\n          <\/div>\n\n          <div class=\"detail-list\">\n            <div class=\"detail-block\">\n              <div class=\"detail-image\">\n                <img decoding=\"async\"\n                  alt=\"Solvent extraction unit\"\n                  src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/fdgjtdrf.webp\"\n                \/>\n              <\/div>\n\n              <div class=\"detail-text\">\n                <span class=\"module-label\">01 \/ Solvent Extraction Unit<\/span>\n\n                <h3>The Core Separation Stage of Base Oil Solvent Refining<\/h3>\n\n                <p>\n                  The preheated base oil and NMP solvent enter the centrifugal\n                  extractor under controlled temperature conditions of about\n                  60&deg;C. Through counter-current contact and density\n                  difference, undesirable components such as asphaltenes, gums\n                  and heteroatomic compounds are transferred into the\n                  solvent-rich phase.\n                <\/p>\n\n                <ul class=\"feature-list\">\n                  <li>\n                    <strong>Selective Separation:<\/strong> removes non-ideal\n                    compounds more effectively.\n                  <\/li>\n                  <li>\n                    <strong>Compact Structure:<\/strong> much smaller footprint\n                    than tower-type extraction.\n                  <\/li>\n                  <li>\n                    <strong>Efficient Mass Transfer:<\/strong> improves\n                    extraction performance.\n                  <\/li>\n                  <li>\n                    <strong>Automated Operation:<\/strong> supports continuous\n                    process control.\n                  <\/li>\n                <\/ul>\n              <\/div>\n            <\/div>\n\n            <div class=\"detail-block reverse\">\n              <div class=\"detail-image\">\n                <img decoding=\"async\"\n                  alt=\"Solvent recovery unit\"\n                  src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/0de9f2d2-e576-42a6-86e4-76f8f2480e5b-1.webp\"\n                \/>\n              <\/div>\n\n              <div class=\"detail-text\">\n                <span class=\"module-label\">02 \/ Solvent Recovery Unit<\/span>\n\n                <h3>Recovering NMP for Cost Control and Process Continuity<\/h3>\n\n                <p>\n                  After extraction, both the refined oil stream and the extract\n                  stream contain solvent. The recovery system uses heating and\n                  vacuum distillation to separate volatilized NMP from the oil\n                  phases. The condensed solvent is returned to storage for\n                  recirculation, helping lower solvent consumption and operating\n                  cost.\n                <\/p>\n\n                <ul class=\"feature-list\">\n                  <li>\n                    <strong>High Recovery Efficiency:<\/strong> reduces solvent\n                    loss.\n                  <\/li>\n                  <li>\n                    <strong>Vacuum Operation:<\/strong> supports effective\n                    separation at controlled conditions.\n                  <\/li>\n                  <li>\n                    <strong>Closed-Loop Recycling:<\/strong> improves economic\n                    performance.\n                  <\/li>\n                  <li>\n                    <strong>Low Energy Design:<\/strong> supports industrial cost\n                    control.\n                  <\/li>\n                <\/ul>\n              <\/div>\n            <\/div>\n\n            <div class=\"detail-block\">\n              <div class=\"detail-image\">\n                <img decoding=\"async\"\n                  alt=\"Post-extraction base oil recovery\"\n                  src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/2026-05-18_174056_703.webp\"\n                \/>\n              <\/div>\n\n              <div class=\"detail-text\">\n                <span class=\"module-label\"\n                  >03 \/ Stripping &amp; Final Solvent Removal<\/span\n                >\n\n                <h3>\n                  Deep Removal of Residual Solvent for Better Base Oil Quality\n                <\/h3>\n\n                <p>\n                  Even after vacuum recovery, trace NMP remains dissolved in the\n                  refined oil. The stripping stage uses superheated steam and\n                  counter-current mass transfer to remove most residual solvent,\n                  further optimizing refined base oil purity and market value.\n                <\/p>\n\n                <ul class=\"feature-list\">\n                  <li>\n                    <strong>Lower Residual Solvent:<\/strong> improves final\n                    product acceptability.\n                  <\/li>\n                  <li>\n                    <strong>Better Product Quality:<\/strong> supports premium\n                    refined oil targets.\n                  <\/li>\n                  <li>\n                    <strong>Continuous Operation:<\/strong> suitable for\n                    industrial throughput.\n                  <\/li>\n                  <li>\n                    <strong>Integrated Utility Design:<\/strong> supports stable\n                    plant operation.\n                  <\/li>\n                <\/ul>\n              <\/div>\n            <\/div>\n\n            <div class=\"detail-block reverse\">\n              <div class=\"detail-image\">\n                <img decoding=\"async\"\n                  alt=\"Refined base oil drying\"\n                  src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/2c8f160b-9230-42f8-8bb8-7cf5b789.webp\"\n                \/>\n              <\/div>\n\n              <div class=\"detail-text\">\n                <span class=\"module-label\">04 \/ Refined Base Oil Drying<\/span>\n\n                <h3>Final Moisture Removal Before Product Storage<\/h3>\n\n                <p>\n                  The refined base oil enters the drying column after heating,\n                  where trace moisture is vaporized and removed. This final step\n                  improves product stability, handling quality and storage\n                  readiness before the oil is pumped to the tank farm.\n                <\/p>\n\n                <ul class=\"feature-list\">\n                  <li>\n                    <strong>Reduced Moisture Content:<\/strong> supports better\n                    storage stability.\n                  <\/li>\n                  <li>\n                    <strong>Improved Appearance:<\/strong> helps achieve cleaner\n                    finished oil.\n                  <\/li>\n                  <li>\n                    <strong>Safer Downstream Use:<\/strong> lowers water-related\n                    quality risks.\n                  <\/li>\n                  <li>\n                    <strong>Stable Final Output:<\/strong> prepares oil for\n                    commercial application.\n                  <\/li>\n                <\/ul>\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section alt reveal\" id=\"quality-data\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Refined Base Oil Quality Improvement<\/h2>\n\n            <p>\n              A business-grade data presentation for product upgrading effect,\n              impurity removal, solvent recovery performance and refined oil\n              marketability.\n            <\/p>\n          <\/div>\n\n          <div class=\"stats-grid\" style=\"margin-bottom: 28px\">\n            <div class=\"stat-card\">\n              <div class=\"stat-number\">&asymp;70<\/div>\n\n              <div class=\"stat-label\">CNY\/Ton Operating Cost Benchmark<\/div>\n            <\/div>\n\n            <div class=\"stat-card\">\n              <div class=\"stat-number\">&ge;99.9%<\/div>\n\n              <div class=\"stat-label\">Solvent Recovery Potential<\/div>\n            <\/div>\n\n            <div class=\"stat-card\">\n              <div class=\"stat-number\">~60&deg;C<\/div>\n\n              <div class=\"stat-label\">Typical Extraction Temperature<\/div>\n            <\/div>\n\n            <div class=\"stat-card\">\n              <div class=\"stat-number\">24h<\/div>\n\n              <div class=\"stat-label\">PLC Controlled Operation<\/div>\n            <\/div>\n          <\/div>\n\n          <div class=\"charts-grid-advanced\">\n            <div class=\"chart-box\">\n              <div class=\"chart-title\">Impurity Removal Structure<\/div>\n\n              <div class=\"echart-box\" id=\"yieldChart3d\">&nbsp;<\/div>\n\n              <div class=\"chart-note\">\n                Indicative distribution of removed non-ideal components and\n                retained refined oil fraction.\n              <\/div>\n            <\/div>\n\n            <div class=\"chart-box\">\n              <div class=\"chart-title\">Solvent Recovery Efficiency Curve<\/div>\n\n              <div class=\"echart-box\" id=\"distillationChart3d\">&nbsp;<\/div>\n\n              <div class=\"chart-note\">\n                Typical cumulative solvent recovery trend across staged\n                treatment.\n              <\/div>\n            <\/div>\n\n            <div class=\"chart-box chart-full\">\n              <div class=\"chart-title\">\n                Quality Improvement by Process Stage\n              <\/div>\n\n              <div class=\"echart-box large\" id=\"purificationChart3d\">\n                &nbsp;\n              <\/div>\n\n              <div class=\"chart-note\">\n                Indicative reduction of color index and residual solvent through\n                extraction, recovery, stripping and drying.\n              <\/div>\n            <\/div>\n\n            <div class=\"chart-box chart-full\">\n              <div class=\"chart-title\">Refined Base Oil Performance Radar<\/div>\n\n              <div class=\"echart-box large\" id=\"radarChart3d\">&nbsp;<\/div>\n\n              <div class=\"chart-note\">\n                A visual overview of refined base oil performance across\n                clarity, stability and usability indicators.\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section reveal\" id=\"model-selection\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Model Selection Guide<\/h2>\n\n            <p>\n              Choose the right Base Oil Solvent Extraction Plant based on your\n              feedstock type, target product grade, utility conditions,\n              investment budget and long-term return strategy.\n            <\/p>\n          <\/div>\n\n          <div class=\"model-table-wrap\">\n            <table class=\"model-table\">\n              <thead>\n                <tr>\n                  <th>Model Type<\/th>\n                  <th>Capacity<\/th>\n                  <th>Recommended Application<\/th>\n                  <th>Investment Level<\/th>\n                  <th>Key Advantage<\/th>\n                <\/tr>\n              <\/thead>\n              <tbody>\n                <tr>\n                  <td><strong>Pilot Unit<\/strong><\/td>\n                  <td>5&ndash;10 L \/ Batch<\/td>\n                  <td>\n                    Lab verification, solvent ratio trial and process validation\n                  <\/td>\n                  <td>Low<\/td>\n                  <td>\n                    Suitable for technology testing before commercial scale\n                    deployment\n                  <\/td>\n                <\/tr>\n                <tr>\n                  <td><strong>Compact Plant<\/strong><\/td>\n                  <td>5 &ndash; 15 T \/ Day<\/td>\n                  <td>\n                    Small recyclers, lubricant workshops and entry-level\n                    upgrading projects\n                  <\/td>\n                  <td>Low&ndash;Moderate<\/td>\n                  <td>Compact footprint and lower startup threshold<\/td>\n                <\/tr>\n                <tr class=\"recommended-row\">\n                  <td><strong>Standard Plant<\/strong><\/td>\n                  <td><strong>20 &ndash; 30 T \/ Day<\/strong><\/td>\n                  <td>\n                    Commercial regenerated base oil upgrading and stable\n                    continuous production\n                  <\/td>\n                  <td><strong>Moderate<\/strong><\/td>\n                  <td>\n                    <strong\n                      >Strong balance between investment, solvent recovery,\n                      product quality and output stability<\/strong\n                    >\n                  <\/td>\n                <\/tr>\n                <tr>\n                  <td><strong>Large Scale Plant<\/strong><\/td>\n                  <td>30 &ndash; 60 T \/ Day<\/td>\n                  <td>\n                    Industrial re-refining bases and large regional regeneration\n                    projects\n                  <\/td>\n                  <td>High<\/td>\n                  <td>\n                    Higher throughput usually brings stronger long-term\n                    profitability and market competitiveness\n                  <\/td>\n                <\/tr>\n              <\/tbody>\n            <\/table>\n          <\/div>\n\n          <div class=\"model-cards\">\n            <div class=\"model-card\">\n              <div class=\"model-card-head\">\n                <h3>Pilot Unit<\/h3>\n                <span class=\"model-badge\">Testing<\/span>\n              <\/div>\n\n              <div class=\"model-card-body\">\n                <div class=\"model-row\">\n                  <span>Capacity<\/span><strong>5&ndash;10 L \/ Batch<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Application<\/span\n                  ><strong>Lab testing &amp; technical validation<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Investment<\/span><strong>Low<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Advantage<\/span\n                  ><strong>Feasibility verification before scaling up<\/strong>\n                <\/div>\n              <\/div>\n            <\/div>\n\n            <div class=\"model-card\">\n              <div class=\"model-card-head\">\n                <h3>Compact Plant<\/h3>\n                <span class=\"model-badge\">Entry<\/span>\n              <\/div>\n\n              <div class=\"model-card-body\">\n                <div class=\"model-row\">\n                  <span>Capacity<\/span><strong>5 &ndash; 15 T \/ Day<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Application<\/span\n                  ><strong>Small upgrading projects<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Investment<\/span><strong>Low&ndash;Moderate<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Advantage<\/span\n                  ><strong>Compact layout and lower startup threshold<\/strong>\n                <\/div>\n              <\/div>\n            <\/div>\n\n            <div class=\"model-card recommended\">\n              <div class=\"model-card-head\">\n                <h3>Standard Plant<\/h3>\n                <span class=\"model-badge hot\">Recommended<\/span>\n              <\/div>\n\n              <div class=\"model-card-body\">\n                <div class=\"model-row\">\n                  <span>Capacity<\/span><strong>20 &ndash; 30 T \/ Day<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Application<\/span\n                  ><strong>Commercial base oil upgrading<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Investment<\/span><strong>Moderate<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Advantage<\/span\n                  ><strong\n                    >Balanced investment, quality improvement and solvent\n                    recovery efficiency<\/strong\n                  >\n                <\/div>\n              <\/div>\n            <\/div>\n\n            <div class=\"model-card\">\n              <div class=\"model-card-head\">\n                <h3>Large Scale Plant<\/h3>\n                <span class=\"model-badge\">Industrial<\/span>\n              <\/div>\n\n              <div class=\"model-card-body\">\n                <div class=\"model-row\">\n                  <span>Capacity<\/span><strong>30 &ndash; 60 T \/ Day<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Application<\/span\n                  ><strong>Large industrial re-refining deployment<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Investment<\/span><strong>High<\/strong>\n                <\/div>\n\n                <div class=\"model-row\">\n                  <span>Advantage<\/span\n                  ><strong\n                    >Higher throughput generally supports higher total\n                    profit<\/strong\n                  >\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n\n          <div class=\"model-note-box\">\n            <div class=\"model-note-icon\">\u2605<\/div>\n\n            <div class=\"model-note-text\">\n              <strong>Recommended Choice:<\/strong> The\n              <strong>20&ndash;30 T \/ Day Standard Plant<\/strong> is suitable\n              for most commercial customers because it offers a practical\n              balance between\n              <strong\n                >investment level, product quality improvement, continuous\n                operation and solvent recovery performance<\/strong\n              >.\n            <\/div>\n          <\/div>\n\n          <div class=\"model-extra-grid\">\n            <div class=\"model-extra-card\">\n              <h4>Balanced Investment<\/h4>\n\n              <p>\n                The 20&ndash;30 T \/ Day configuration fits customers looking for\n                controllable capital input and stable upgrading performance.\n              <\/p>\n            <\/div>\n\n            <div class=\"model-extra-card\">\n              <h4>Stable Product Upgrading<\/h4>\n\n              <p>\n                This model range is widely suitable for continuous refined base\n                oil production with improved clarity and oxidation stability.\n              <\/p>\n            <\/div>\n\n            <div class=\"model-extra-card\">\n              <h4>Scalable Profit Potential<\/h4>\n\n              <p>\n                For customers with stable feedstock and stronger market demand,\n                larger-capacity plants can offer stronger overall profitability.\n              <\/p>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section alt reveal\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Technical Specifications<\/h2>\n\n            <p>\n              Typical reference data and process indicators for the Base Oil\n              Solvent Extraction Plant and refined oil quality improvement.\n            <\/p>\n          <\/div>\n\n          <div class=\"table-wrap spec-table-wrap-desktop\">\n            <table>\n              <thead>\n                <tr>\n                  <th>Parameter<\/th>\n                  <th>Typical Value \/ Range<\/th>\n                  <th>Performance Impact<\/th>\n                <\/tr>\n              <\/thead>\n              <tbody>\n                <tr>\n                  <td>Extraction Solvent<\/td>\n                  <td>N-Methyl-2-pyrrolidone (NMP)<\/td>\n                  <td>Selective removal of non-ideal oil components<\/td>\n                <\/tr>\n                <tr>\n                  <td>Extraction Temperature<\/td>\n                  <td>About 60&deg;C<\/td>\n                  <td>\n                    Supports efficient mass transfer and stable separation\n                  <\/td>\n                <\/tr>\n                <tr>\n                  <td>Solvent Recovery Rate<\/td>\n                  <td>&ge; 99.9%<\/td>\n                  <td>Reduces solvent loss and operating cost<\/td>\n                <\/tr>\n                <tr>\n                  <td>Operation Mode<\/td>\n                  <td>24h PLC Controlled<\/td>\n                  <td>Supports continuous industrial production<\/td>\n                <\/tr>\n                <tr>\n                  <td>Equipment Footprint<\/td>\n                  <td>Compact centrifugal layout<\/td>\n                  <td>Smaller than traditional tower extraction systems<\/td>\n                <\/tr>\n                <tr>\n                  <td>Pollution Profile<\/td>\n                  <td>No acid sludge \/ low solid waste<\/td>\n                  <td>Improves environmental compliance<\/td>\n                <\/tr>\n                <tr>\n                  <td>Target Improvement<\/td>\n                  <td>Color, residual carbon, odor, oxidation stability<\/td>\n                  <td>Supports higher-grade refined base oil output<\/td>\n                <\/tr>\n                <tr>\n                  <td>Utility Integration<\/td>\n                  <td>Vacuum, heating, stripping and drying<\/td>\n                  <td>Enables closed-loop continuous refining operation<\/td>\n                <\/tr>\n              <\/tbody>\n            <\/table>\n          <\/div>\n\n          <div class=\"spec-cards-mobile\">\n            <div class=\"spec-card\">\n              <h4>Extraction Solvent<\/h4>\n\n              <div class=\"spec-card-list\">\n                <div class=\"spec-item\">\n                  <span>Value<\/span>\n                  <strong>N-Methyl-2-pyrrolidone (NMP)<\/strong>\n                <\/div>\n              <\/div>\n\n              <div class=\"spec-impact\">\n                Selective removal of non-ideal oil components.\n              <\/div>\n            <\/div>\n\n            <div class=\"spec-card\">\n              <h4>Extraction Temperature<\/h4>\n\n              <div class=\"spec-card-list\">\n                <div class=\"spec-item\">\n                  <span>Value<\/span> <strong>About 60&deg;C<\/strong>\n                <\/div>\n              <\/div>\n\n              <div class=\"spec-impact\">\n                Supports efficient mass transfer and stable separation.\n              <\/div>\n            <\/div>\n\n            <div class=\"spec-card\">\n              <h4>Solvent Recovery Rate<\/h4>\n\n              <div class=\"spec-card-list\">\n                <div class=\"spec-item\">\n                  <span>Value<\/span> <strong>&ge; 99.9%<\/strong>\n                <\/div>\n              <\/div>\n\n              <div class=\"spec-impact\">\n                Reduces solvent loss and operating cost.\n              <\/div>\n            <\/div>\n\n            <div class=\"spec-card\">\n              <h4>Operation Mode<\/h4>\n\n              <div class=\"spec-card-list\">\n                <div class=\"spec-item\">\n                  <span>Value<\/span> <strong>24h PLC Controlled<\/strong>\n                <\/div>\n              <\/div>\n\n              <div class=\"spec-impact\">\n                Supports continuous industrial production.\n              <\/div>\n            <\/div>\n\n            <div class=\"spec-card\">\n              <h4>Equipment Footprint<\/h4>\n\n              <div class=\"spec-card-list\">\n                <div class=\"spec-item\">\n                  <span>Value<\/span> <strong>Compact centrifugal layout<\/strong>\n                <\/div>\n              <\/div>\n\n              <div class=\"spec-impact\">\n                Smaller than traditional tower extraction systems.\n              <\/div>\n            <\/div>\n\n            <div class=\"spec-card\">\n              <h4>Pollution Profile<\/h4>\n\n              <div class=\"spec-card-list\">\n                <div class=\"spec-item\">\n                  <span>Value<\/span>\n                  <strong>No acid sludge \/ low solid waste<\/strong>\n                <\/div>\n              <\/div>\n\n              <div class=\"spec-impact\">Improves environmental compliance.<\/div>\n            <\/div>\n\n            <div class=\"spec-card\">\n              <h4>Target Improvement<\/h4>\n\n              <div class=\"spec-card-list\">\n                <div class=\"spec-item\">\n                  <span>Value<\/span>\n                  <strong\n                    >Color, residual carbon, odor, oxidation stability<\/strong\n                  >\n                <\/div>\n              <\/div>\n\n              <div class=\"spec-impact\">\n                Supports higher-grade refined base oil output.\n              <\/div>\n            <\/div>\n\n            <div class=\"spec-card\">\n              <h4>Utility Integration<\/h4>\n\n              <div class=\"spec-card-list\">\n                <div class=\"spec-item\">\n                  <span>Value<\/span>\n                  <strong>Vacuum, heating, stripping and drying<\/strong>\n                <\/div>\n              <\/div>\n\n              <div class=\"spec-impact\">\n                Enables closed-loop continuous refining operation.\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section reveal active\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Third-Party Verification<\/h2>\n            <p>\n              Output diesel quality can be supported by third-party testing to\n              strengthen market trust and technical credibility.\n            <\/p>\n          <\/div>\n\n          <div class=\"verify-container\">\n            <div class=\"verify-layout\">\n              <div class=\"verify-media\">\n                <div class=\"verify-img-wrapper\">\n                  <img\n                    decoding=\"async\"\n                    src=\"wp-content\/uploads\/2026\/05\/certy.webp\"\n                    alt=\"Fuel Data Report\"\n                  \/>\n                <\/div>\n              <\/div>\n\n              <div class=\"verify-content\">\n                <h3 class=\"verify-title\">Independently Verified Fuel Data<\/h3>\n\n                <p class=\"verify-description\">\n                  The diesel produced by the plant can be tested by\n                  internationally recognized third-party laboratories to verify\n                  viscosity, water content, impurity control and flash point\n                  performance.\n                <\/p>\n\n                <ul class=\"verify-info-list\">\n                  <li>Verified viscosity compliance<\/li>\n                  <li>Certified low water and impurity content<\/li>\n                  <li>Confirmed high flash point performance<\/li>\n                  <li>Supports industrial burner fuel applications<\/li>\n                <\/ul>\n\n                <a class=\"verify-button\" href=\"javascript:;\" onclick=\"asfrom()\">\n                  Request Test Report\n                <\/a>\n              <\/div>\n            <\/div>\n          <\/div>\n          <style>\n            \/* \u5bb9\u5668\u4e0e\u6574\u4f53\u5e03\u5c40 *\/\n            .verify-container {\n              max-width: 1200px;\n              margin: 50px auto;\n              padding: 0 15px;\n            }\n\n            .verify-layout {\n              display: flex;\n              align-items: center; \/* 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\u5217\u8868\u5185\u5bb9\u4f9d\u7136\u4fdd\u6301\u5de6\u5bf9\u9f50\u4ee5\u65b9\u4fbf\u9605\u8bfb *\/\n              }\n            }\n          <\/style>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section alt reveal\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Applications &amp; Feedstocks<\/h2>\n\n            <p>\n              The plant is designed for re-refining companies, lubricant\n              recovery facilities and industrial oil regeneration projects\n              handling various base-oil-related streams.\n            <\/p>\n          <\/div>\n\n          <div class=\"app-grid\">\n            <div class=\"app-item\">\n              <div class=\"app-icon\">A<\/div>\n\n              <h4>Regenerated Base Oil<\/h4>\n\n              <p>\n                Upgrading recycled base oil quality for higher-value\n                applications.\n              <\/p>\n            <\/div>\n\n            <div class=\"app-item\">\n              <div class=\"app-icon\">B<\/div>\n\n              <h4>Lubricant Pretreatment<\/h4>\n\n              <p>\n                Removes gums and oxidation residues before blending or\n                finishing.\n              <\/p>\n            <\/div>\n\n            <div class=\"app-item\">\n              <div class=\"app-icon\">C<\/div>\n\n              <h4>Re-Refining Projects<\/h4>\n\n              <p>\n                Suitable for industrial waste oil regeneration and base oil\n                recovery plants.\n              <\/p>\n            <\/div>\n\n            <div class=\"app-item\">\n              <div class=\"app-icon\">D<\/div>\n\n              <h4>Energy Recycling<\/h4>\n\n              <p>Supports closed-loop reuse and resource recovery projects.<\/p>\n            <\/div>\n\n            <div class=\"app-item\">\n              <div class=\"app-icon\">E<\/div>\n\n              <h4>Waste Lubricating Oil<\/h4>\n\n              <p>\n                Used lubricating oils requiring impurity removal and upgrading.\n              <\/p>\n            <\/div>\n\n            <div class=\"app-item\">\n              <div class=\"app-icon\">F<\/div>\n\n              <h4>Vacuum Distilled Base Oil<\/h4>\n\n              <p>Further upgrading after front-end distillation process.<\/p>\n            <\/div>\n\n            <div class=\"app-item\">\n              <div class=\"app-icon\">G<\/div>\n\n              <h4>Industrial Oil Streams<\/h4>\n\n              <p>Selected industrial oil fractions with upgrading value.<\/p>\n            <\/div>\n\n            <div class=\"app-item\">\n              <div class=\"app-icon\">H<\/div>\n\n              <h4>Refined Oil Improvement<\/h4>\n\n              <p>\n                Processes targeting better color, stability and market grade.\n              <\/p>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section reveal\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Project Cases<\/h2>\n\n            <p>\n              Representative project references showing actual upgrading effect,\n              operating advantages and business value.\n            <\/p>\n          <\/div>\n\n          <div class=\"case-grid\">\n            <div class=\"case-card\">\n              <img decoding=\"async\"\n                alt=\"Base oil project case\"\n                src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/2026-05-18_174056_703.webp\"\n              \/>\n              <div class=\"case-body\">\n                <h4>Vietnam Re-Refined Base Oil Project<\/h4>\n\n                <p><strong>Capacity:<\/strong> 30 T \/ Day<\/p>\n\n                <div class=\"case-meta\">\n                  <p><strong>Feedstock:<\/strong> Re-Refined Base Oil Stream<\/p>\n\n                  <p><strong>Process:<\/strong> NMP Solvent Extraction<\/p>\n\n                  <p><strong>Result:<\/strong> Upgraded Product Quality<\/p>\n                <\/div>\n\n                <p>\n                  After replacing traditional acid-clay treatment, the project\n                  improved product quality, reduced refining cost and achieved\n                  environmentally compliant continuous operation.\n                <\/p>\n\n                <div class=\"profit-box\">\n                  Reference Benefit: Lower Operating Cost &amp; Better Product\n                  Grade\n                <\/div>\n              <\/div>\n            <\/div>\n\n            <div class=\"case-card\">\n              <img decoding=\"async\"\n                alt=\"Before extraction oil\"\n                src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/e121919b-222f-4bcd-8da4-2ada0e6.webp\"\n              \/>\n              <div class=\"case-body\">\n                <h4>Before Extraction Condition<\/h4>\n\n                <p><strong>Status:<\/strong> Untreated Oil Sample<\/p>\n\n                <div class=\"case-meta\">\n                  <p><strong>Color:<\/strong> Dark Brown<\/p>\n\n                  <p><strong>Impurity:<\/strong> High<\/p>\n\n                  <p><strong>Stability:<\/strong> Poor<\/p>\n                <\/div>\n\n                <p>\n                  Untreated oil typically shows darker color, higher residual\n                  carbon and weaker oxidation stability, limiting its direct\n                  market value.\n                <\/p>\n\n                <div class=\"profit-box\">\n                  Upgrade Value: Strong Quality Improvement Potential\n                <\/div>\n              <\/div>\n            <\/div>\n\n            <div class=\"case-card\">\n              <img decoding=\"async\"\n                alt=\"After extraction oil\"\n                src=\"https:\/\/vboltoilrecycling.com\/wp-content\/uploads\/2026\/05\/ff7f8592-3b51-44ff-9841-ebcde03bd.webp\"\n              \/>\n              <div class=\"case-body\">\n                <h4>After Extraction Result<\/h4>\n\n                <p><strong>Status:<\/strong> Refined Oil Sample<\/p>\n\n                <div class=\"case-meta\">\n                  <p><strong>Color:<\/strong> Pale Yellow<\/p>\n\n                  <p><strong>Residual Carbon:<\/strong> Lower<\/p>\n\n                  <p><strong>Stability:<\/strong> Improved<\/p>\n                <\/div>\n\n                <p>\n                  After extraction, the oil becomes cleaner, lighter in\n                  appearance and more suitable for higher-grade regenerated base\n                  oil applications.\n                <\/p>\n\n                <div class=\"profit-box\">\n                  Commercial Value: Better Market Acceptance &amp; Higher\n                  Selling Potential\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n\n          <div class=\"cases-mobile-note\">\n            Swipe naturally by scrolling down &mdash; each project case is\n            displayed in a mobile-friendly stacked format for easier reading.\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section alt reveal\" id=\"faq\">\n        <div class=\"container\">\n          <div class=\"section-title\">\n            <h2>Frequently Asked Questions<\/h2>\n\n            <p>\n              Common questions from customers evaluating this Base Oil Solvent\n              Extraction Plant as a product purchase.\n            <\/p>\n          <\/div>\n\n          <div class=\"faq-wrap\">\n            <div class=\"faq-item\">\n              <button class=\"faq-question\">\n                What is the main function of this plant?<span>+<\/span>\n              <\/button>\n\n              <div class=\"faq-answer\">\n                <p>\n                  The plant is designed to upgrade refined or regenerated base\n                  oil by removing asphaltenes, gums, sulfur-containing compounds\n                  and other unstable impurities through NMP solvent extraction\n                  and solvent recovery.\n                <\/p>\n              <\/div>\n            <\/div>\n\n            <div class=\"faq-item\">\n              <button class=\"faq-question\">\n                What solvent does the system use?<span>+<\/span>\n              <\/button>\n\n              <div class=\"faq-answer\">\n                <p>\n                  The system uses N-Methyl-2-pyrrolidone (NMP), a selective\n                  solvent suitable for separating undesirable components from\n                  base oil streams.\n                <\/p>\n              <\/div>\n            <\/div>\n\n            <div class=\"faq-item\">\n              <button class=\"faq-question\">\n                Can the plant run continuously?<span>+<\/span>\n              <\/button>\n\n              <div class=\"faq-answer\">\n                <p>\n                  Yes. Standard configurations are designed for PLC-controlled\n                  24-hour continuous operation under industrial production\n                  conditions.\n                <\/p>\n              <\/div>\n            <\/div>\n\n            <div class=\"faq-item\">\n              <button class=\"faq-question\">\n                What quality improvements can be expected?<span>+<\/span>\n              <\/button>\n\n              <div class=\"faq-answer\">\n                <p>\n                  The process can improve oil color, reduce residual carbon and\n                  impurities, lower odor and enhance oxidation stability,\n                  depending on feedstock condition and process configuration.\n                <\/p>\n              <\/div>\n            <\/div>\n\n            <div class=\"faq-item\">\n              <button class=\"faq-question\">\n                Is the process environmentally friendly?<span>+<\/span>\n              <\/button>\n\n              <div class=\"faq-answer\">\n                <p>\n                  Compared with traditional acid-clay refining, this process\n                  avoids acid sludge generation, reduces solid waste and\n                  supports cleaner industrial operation.\n                <\/p>\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"content-section reveal\" id=\"inquiry\">\n        <div class=\"container\">\n          <div class=\"cta-box\">\n            <h2>Need a Base Oil Solvent Extraction Plant?<\/h2>\n\n            <p>\n              Send us your feedstock type, daily capacity target, current oil\n              condition and expected refined product grade. 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Its working principle is as follows: &nbsp; 1. Solvent Selection Using organic solvents with&nbsp;different&nbsp;solubility&nbsp;characteristics of ideal and&nbsp;non ideal components to&nbsp;purify base oil for better&nbsp;sulfur content, antioxidant &nbsp; 2. 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