{"id":576,"date":"2026-10-07T16:25:14","date_gmt":"2026-10-07T16:25:14","guid":{"rendered":"https:\/\/beca.test-rmwebsolutions.de\/cross-flow\/"},"modified":"2026-10-10T19:35:41","modified_gmt":"2026-10-10T19:35:41","slug":"cross-flow","status":"publish","type":"page","link":"https:\/\/beca.test-rmwebsolutions.de\/en\/cross-flow\/","title":{"rendered":"Cross Flow"},"content":{"rendered":"<div class=\"et_pb_section_0 et_pb_section et_section_regular et_flex_section\">\n<div class=\"et_pb_row_0 et_pb_row et_flex_row\">\n<div class=\"et_pb_column_0 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone\">\n<div class=\"et_pb_code_0 et_pb_code et_pb_module\"><div class=\"et_pb_code_inner\"><style>\n\/* =========================================================\n   BECA\u00ae \u2013 CROSS-FLOW SEO-FACHSEITE\n   Divi 5 Code Modul\n   ========================================================= 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content:\"\";\n  position:absolute;\n  inset:0;\n  z-index:-1;\n  background:var(--ink);\n  transform:translateY(101%);\n  transition:transform .28s ease;\n}\n\n#beca-crossflow .bcf-button:hover{\n  color:#fff;\n  transform:translateY(-2px);\n}\n\n#beca-crossflow .bcf-button:hover:before{\n  transform:none;\n}\n\n#beca-crossflow .bcf-button--yellow{\n  border-color:var(--acid);\n  background:var(--acid);\n}\n\n#beca-crossflow .bcf-button--yellow:before{\n  background:#fff;\n}\n\n#beca-crossflow .bcf-button--yellow:hover{\n  border-color:#fff;\n  color:var(--ink);\n}\n\n\n\/* =========================================================\n   HERO\n   ========================================================= *\/\n\n#beca-crossflow .bcf-hero{\n  padding:62px 0 68px;\n  border-bottom:1px solid var(--line);\n  background:\n    linear-gradient(rgba(17,25,30,.022) 1px,transparent 1px),\n    linear-gradient(90deg,rgba(17,25,30,.022) 1px,transparent 1px),\n    #f5f7f7;\n  background-size:72px 72px;\n}\n\n#beca-crossflow .bcf-hero-grid{\n  display:grid;\n  grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);\n  gap:clamp(56px,7vw,120px);\n  align-items:center;\n}\n\n#beca-crossflow .bcf-hero-copy{\n  max-width:760px;\n}\n\n#beca-crossflow .bcf-hero-copy p{\n  max-width:720px;\n}\n\n#beca-crossflow .bcf-hero-actions{\n  display:flex;\n  flex-wrap:wrap;\n  gap:10px;\n  margin-top:27px;\n}\n\n#beca-crossflow .bcf-hero-visual{\n  position:relative;\n  padding:20px;\n  border:1px solid var(--line);\n  background:#fff;\n}\n\n#beca-crossflow .bcf-hero-visual:before{\n  content:\"\";\n  position:absolute;\n  top:-1px;\n  left:-1px;\n  width:58px;\n  height:4px;\n  background:var(--acid);\n}\n\n#beca-crossflow .bcf-hero-visual img{\n  width:100%;\n  height:auto;\n  object-fit:contain;\n  object-position:center;\n}\n\n\n\/* =========================================================\n   SPRUNGNAVIGATION\n   ========================================================= 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background:#fff;\n}\n\n#beca-crossflow .bcf-process:before{\n  content:\"\";\n  position:absolute;\n  top:-1px;\n  left:-1px;\n  width:50px;\n  height:4px;\n  background:var(--acid);\n}\n\n#beca-crossflow .bcf-process-flow{\n  display:grid;\n  grid-template-columns:1fr 64px 1.25fr 64px 1fr;\n  align-items:center;\n  gap:10px;\n}\n\n#beca-crossflow .bcf-process-box{\n  display:grid;\n  place-items:center;\n  min-height:96px;\n  padding:18px;\n  border:1px solid var(--line);\n  background:#f7f9f9;\n  text-align:center;\n}\n\n#beca-crossflow .bcf-process-box strong{\n  display:block;\n  color:var(--ink);\n  font-size:.82rem;\n}\n\n#beca-crossflow .bcf-process-box span{\n  display:block;\n  margin-top:5px;\n  color:#748087;\n  font-size:.69rem;\n}\n\n#beca-crossflow .bcf-arrow{\n  text-align:center;\n  color:var(--blue);\n  font-size:1.4rem;\n}\n\n#beca-crossflow .bcf-retentate{\n  position:relative;\n  width:52%;\n  margin:26px auto 0;\n  padding-top:32px;\n  text-align:center;\n}\n\n#beca-crossflow .bcf-retentate:before{\n  content:\"\u2193\";\n  position:absolute;\n  top:-1px;\n  left:50%;\n  transform:translateX(-50%);\n  color:var(--blue);\n  font-size:1.35rem;\n}\n\n\n\/* =========================================================\n   CROSS FLOW VS DEAD END\n   ========================================================= *\/\n\n#beca-crossflow .bcf-compare-head{\n  max-width:760px;\n  margin-bottom:38px;\n}\n\n#beca-crossflow .bcf-compare{\n  display:grid;\n  grid-template-columns:1fr 1fr;\n  gap:20px;\n}\n\n#beca-crossflow .bcf-compare-card{\n  position:relative;\n  padding:30px;\n  border:1px solid var(--line);\n  background:#fff;\n}\n\n#beca-crossflow .bcf-compare-card--primary{\n  border-color:#cdbb39;\n}\n\n#beca-crossflow .bcf-compare-card--primary:before{\n  content:\"\";\n  position:absolute;\n  top:-1px;\n  left:-1px;\n  width:62px;\n  height:4px;\n  background:var(--acid);\n}\n\n#beca-crossflow .bcf-compare-icon{\n  margin-bottom:22px;\n  font-size:1.35rem;\n  color:var(--blue);\n}\n\n#beca-crossflow .bcf-compare-list{\n  display:grid;\n  gap:0;\n  margin-top:20px;\n}\n\n#beca-crossflow .bcf-compare-list li{\n  padding:12px 0;\n  border-top:1px solid #e7ebec;\n  color:#657178;\n  font-size:.82rem;\n  line-height:1.5;\n}\n\n\n\/* =========================================================\n   VORTEILE\n   ========================================================= *\/\n\n#beca-crossflow .bcf-benefit-head{\n  max-width:800px;\n  margin-bottom:42px;\n}\n\n#beca-crossflow .bcf-benefits{\n  display:grid;\n  grid-template-columns:repeat(4,minmax(0,1fr));\n  gap:15px;\n}\n\n#beca-crossflow .bcf-benefit{\n  position:relative;\n  min-height:210px;\n  padding:26px;\n  border:1px solid var(--line);\n  background:#fff;\n}\n\n#beca-crossflow .bcf-benefit:before{\n  content:\"\";\n  position:absolute;\n  top:-1px;\n  left:-1px;\n  width:36px;\n  height:3px;\n  background:#cdd5d8;\n  transition:width .2s ease,background .2s ease;\n}\n\n#beca-crossflow .bcf-benefit:hover:before{\n  width:68px;\n  background:var(--acid);\n}\n\n#beca-crossflow .bcf-benefit-number{\n  display:block;\n  margin-bottom:27px;\n  color:#a5afb3;\n  font-size:.65rem;\n  font-weight:900;\n  letter-spacing:.09em;\n}\n\n#beca-crossflow .bcf-benefit p{\n  margin-bottom:0;\n  font-size:.87rem;\n  line-height:1.62;\n}\n\n\n\/* =========================================================\n   MEMBRAN \/ RETENTAT \/ PERMEAT\n   ========================================================= *\/\n\n#beca-crossflow .bcf-terms{\n  display:grid;\n  grid-template-columns:repeat(3,minmax(0,1fr));\n  gap:14px;\n  margin-top:32px;\n}\n\n#beca-crossflow .bcf-term{\n  padding:21px;\n  border:1px solid var(--line);\n  background:#fff;\n}\n\n#beca-crossflow .bcf-term strong{\n  display:block;\n  margin-bottom:8px;\n  color:var(--ink);\n  font-size:.86rem;\n}\n\n#beca-crossflow .bcf-term span{\n  color:#6b777d;\n  font-size:.77rem;\n  line-height:1.5;\n}\n\n\n\/* =========================================================\n   EINSATZGEBIETE\n   ========================================================= *\/\n\n#beca-crossflow .bcf-use-grid{\n  display:grid;\n  grid-template-columns:repeat(4,minmax(0,1fr));\n  gap:14px;\n  margin:34px 0;\n}\n\n#beca-crossflow .bcf-use{\n  min-height:175px;\n  padding:25px;\n  border:1px solid var(--line);\n  background:#fff;\n}\n\n#beca-crossflow .bcf-use span{\n  display:block;\n  margin-bottom:22px;\n  color:var(--blue);\n  font-size:.64rem;\n  font-weight:900;\n  letter-spacing:.09em;\n}\n\n#beca-crossflow .bcf-use p{\n  margin:0;\n  font-size:.82rem;\n  line-height:1.55;\n}\n\n\n\/* =========================================================\n   BECA L\u00d6SUNGEN\n   ========================================================= *\/\n\n#beca-crossflow .bcf-solutions-head{\n  max-width:840px;\n  margin-bottom:38px;\n}\n\n#beca-crossflow .bcf-solutions{\n  display:grid;\n  grid-template-columns:1fr 1fr;\n  gap:18px;\n}\n\n#beca-crossflow .bcf-solution{\n  position:relative;\n  display:flex;\n  flex-direction:column;\n  min-height:330px;\n  padding:32px;\n  border:1px solid var(--line);\n  background:#fff;\n}\n\n#beca-crossflow .bcf-solution:before{\n  content:\"\";\n  position:absolute;\n  left:-1px;\n  top:-1px;\n  width:58px;\n  height:4px;\n  background:var(--acid);\n}\n\n#beca-crossflow .bcf-solution-label{\n  margin-bottom:32px;\n  color:#929da2;\n  font-size:.64rem;\n  font-weight:900;\n  letter-spacing:.11em;\n  text-transform:uppercase;\n}\n\n#beca-crossflow .bcf-solution p{\n  flex:1;\n  font-size:.91rem;\n}\n\n#beca-crossflow .bcf-solution .bcf-button{\n  align-self:flex-start;\n}\n\n\n\/* =========================================================\n   ENGINEERING\n   ========================================================= *\/\n\n#beca-crossflow .bcf-engineering-grid{\n  display:grid;\n  grid-template-columns:minmax(0,.85fr) minmax(520px,1.15fr);\n  gap:clamp(65px,8vw,130px);\n  align-items:start;\n}\n\n#beca-crossflow .bcf-steps{\n  display:grid;\n  gap:0;\n}\n\n#beca-crossflow .bcf-step{\n  display:grid;\n  grid-template-columns:55px minmax(0,1fr);\n  gap:18px;\n  padding:20px 0;\n  border-top:1px solid var(--line);\n}\n\n#beca-crossflow .bcf-step:last-child{\n  border-bottom:1px solid var(--line);\n}\n\n#beca-crossflow .bcf-step-number{\n  color:var(--blue);\n  font-size:.68rem;\n  font-weight:900;\n}\n\n#beca-crossflow .bcf-step p{\n  margin:0;\n  font-size:.82rem;\n  line-height:1.55;\n}\n\n\n\/* =========================================================\n   WIRTSCHAFTLICHKEIT\n   ========================================================= *\/\n\n#beca-crossflow .bcf-economy-grid{\n  display:grid;\n  grid-template-columns:minmax(0,1fr) 460px;\n  gap:clamp(70px,8vw,140px);\n  align-items:center;\n}\n\n#beca-crossflow .bcf-economy-cards{\n  display:grid;\n  gap:12px;\n}\n\n#beca-crossflow .bcf-economy-card{\n  display:flex;\n  align-items:center;\n  justify-content:space-between;\n  gap:20px;\n  min-height:76px;\n  padding:0 22px;\n  border:1px solid var(--line);\n  background:#fff;\n}\n\n#beca-crossflow .bcf-economy-card strong{\n  color:var(--ink);\n  font-size:.82rem;\n}\n\n#beca-crossflow .bcf-economy-card span{\n  color:var(--blue);\n  font-size:1.1rem;\n}\n\n\n\/* =========================================================\n   ZUSAMMENFASSUNG\n   ========================================================= *\/\n\n#beca-crossflow .bcf-summary{\n  display:grid;\n  grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);\n  gap:clamp(60px,8vw,130px);\n  align-items:start;\n}\n\n#beca-crossflow .bcf-checklist{\n  border-top:1px solid var(--line);\n}\n\n#beca-crossflow .bcf-checklist li{\n  position:relative;\n  padding:17px 0 17px 33px;\n  border-bottom:1px solid var(--line);\n  color:#5d696f;\n  font-size:.84rem;\n  line-height:1.52;\n}\n\n#beca-crossflow .bcf-checklist li:before{\n  content:\"\u2713\";\n  position:absolute;\n  left:2px;\n  top:17px;\n  color:var(--green);\n  font-weight:900;\n}\n\n\n\/* =========================================================\n   CTA\n   ========================================================= *\/\n\n#beca-crossflow .bcf-cta-grid{\n  display:grid;\n  grid-template-columns:minmax(0,1.12fr) minmax(340px,.88fr);\n  gap:clamp(60px,8vw,130px);\n  align-items:center;\n}\n\n#beca-crossflow .bcf-cta h2{\n  max-width:750px;\n  margin-bottom:18px;\n}\n\n#beca-crossflow .bcf-cta p{\n  max-width:640px;\n  margin-bottom:0;\n  color:rgba(17,25,30,.72);\n}\n\n#beca-crossflow .bcf-cta-action{\n  display:flex;\n  justify-content:flex-end;\n}\n\n\n\/* =========================================================\n   RESPONSIVE\n   ========================================================= *\/\n\n@media(max-width:1100px){\n\n  #beca-crossflow .bcf-hero-grid,\n  #beca-crossflow .bcf-two-col,\n  #beca-crossflow .bcf-engineering-grid,\n  #beca-crossflow .bcf-economy-grid,\n  #beca-crossflow .bcf-summary,\n  #beca-crossflow .bcf-cta-grid{\n    grid-template-columns:1fr;\n    gap:48px;\n  }\n\n  #beca-crossflow .bcf-benefits,\n  #beca-crossflow .bcf-use-grid{\n    grid-template-columns:repeat(2,minmax(0,1fr));\n  }\n\n  #beca-crossflow .bcf-cta-action{\n    justify-content:flex-start;\n  }\n\n}\n\n\n@media(max-width:700px){\n\n  #beca-crossflow .bcf-wrap{\n    width:calc(100% - 30px);\n    max-width:calc(100% - 30px);\n  }\n\n  #beca-crossflow .bcf-section{\n    padding:72px 0;\n  }\n\n  #beca-crossflow .bcf-hero{\n    padding:55px 0 60px;\n  }\n\n  #beca-crossflow h1{\n    font-size:clamp(1.7rem,7vw,2.05rem);\n  }\n\n  #beca-crossflow h2{\n    font-size:clamp(1.4rem,5.8vw,1.75rem);\n  }\n\n  #beca-crossflow h3{\n    font-size:1rem;\n  }\n\n  #beca-crossflow p{\n    font-size:.96rem;\n  }\n\n  #beca-crossflow .bcf-jump-inner{\n    display:grid;\n    grid-template-columns:1fr 1fr;\n  }\n\n  #beca-crossflow .bcf-jump a,\n  #beca-crossflow .bcf-jump a:first-child{\n    padding:14px 10px;\n    border-bottom:1px solid #e4e8e9;\n  }\n\n  #beca-crossflow .bcf-process{\n    padding:22px 16px;\n  }\n\n  #beca-crossflow .bcf-process-flow{\n    grid-template-columns:1fr;\n  }\n\n  #beca-crossflow .bcf-arrow{\n    transform:rotate(90deg);\n  }\n\n  #beca-crossflow .bcf-retentate{\n    width:100%;\n  }\n\n  #beca-crossflow .bcf-compare,\n  #beca-crossflow .bcf-benefits,\n  #beca-crossflow .bcf-terms,\n  #beca-crossflow .bcf-use-grid,\n  #beca-crossflow .bcf-solutions{\n    grid-template-columns:1fr;\n  }\n\n  #beca-crossflow .bcf-benefit{\n    min-height:0;\n  }\n\n  #beca-crossflow .bcf-solution{\n    min-height:0;\n  }\n\n  #beca-crossflow .bcf-cta-action{\n    display:block;\n  }\n\n  #beca-crossflow .bcf-cta-action .bcf-button{\n    width:100%;\n  }\n\n}\n\n\n\/* =========================================================\n   DIVI FULL WIDTH FIX\n   ========================================================= *\/\n\nbody:has(#beca-crossflow){\n  overflow-x:hidden;\n}\n\nbody:has(#beca-crossflow) .et_pb_section:has(#beca-crossflow),\nbody:has(#beca-crossflow) .et_pb_row:has(#beca-crossflow),\nbody:has(#beca-crossflow) .et_pb_column:has(#beca-crossflow),\nbody:has(#beca-crossflow) .et_pb_code:has(#beca-crossflow),\nbody:has(#beca-crossflow) .et_pb_code_inner:has(#beca-crossflow){\n  width:100%!important;\n  max-width:none!important;\n  margin:0!important;\n  padding:0!important;\n}\n<\/style>\n\n\n<div id=\"beca-crossflow\">\n\n\n  <!-- =====================================================\n       HERO\n       ===================================================== -->\n\n  <section class=\"bcf-hero\">\n\n    <div class=\"bcf-wrap bcf-hero-grid\">\n\n      <div class=\"bcf-hero-copy\">\n\n        <div class=\"bcf-eyebrow\">\n          Filtration \u00b7 Process Engineering \u00b7 Crossflow\n        <\/div>\n\n        <h1>\n          Crossflow Filtration: Efficient Separation for Demanding Process Media\n        <\/h1>\n\n        <p>\n          Crossflow filtration is a versatile separation process for removing solids from liquids in industrial applications. Unlike conventional filtration principles, the process medium does not flow only head-on toward the separation surface; instead, it flows tangentially along it.\n        <\/p>\n\n        <p>\n          BECA\u00ae does not view crossflow as an isolated filter, but as part of an integrated process solution combining process engineering, flow management, pump technology, instrumentation and control, cleaning, and automation.\n        <\/p>\n\n        <div class=\"bcf-hero-actions\">\n\n          <a class=\"bcf-button bcf-button--yellow\"\n             href=\"#beca-crossflow-loesungen\">\n            BECA\u00ae Crossflow Systems <span>\u2192<\/span>\n          <\/a>\n\n          <a class=\"bcf-button\"\n             href=\"https:\/\/beca.test-rmwebsolutions.de\/en\/contact\/\">\n            Discuss Your Crossflow Project <span>\u2192<\/span>\n          <\/a>\n\n        <\/div>\n\n      <\/div>\n\n\n      <div class=\"bcf-hero-visual\">\n\n        <img decoding=\"async\"\n          src=\"https:\/\/beca.test-rmwebsolutions.de\/wp-content\/uploads\/2026\/10\/BECA_Produkt-Uebersicht_2-1.jpg\"\n          alt=\"BECA process plant for industrial process engineering\"\n          loading=\"eager\"\n        >\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       SPRUNGNAVIGATION\n       ===================================================== -->\n\n  <nav class=\"bcf-jump\"\n       aria-label=\"Content navigation\">\n\n    <div class=\"bcf-wrap bcf-jump-inner\">\n\n      <a href=\"#funktionsweise\">How It Works<\/a>\n\n      <a href=\"#vergleich\">Crossflow vs. Dead-End<\/a>\n\n      <a href=\"#vorteile\">Benefits<\/a>\n\n      <a href=\"#einsatzgebiete\">Applications<\/a>\n\n      <a href=\"#beca-crossflow-loesungen\">BECA\u00ae Solutions<\/a>\n\n      <a href=\"#wirtschaftlichkeit\">Cost Efficiency<\/a>\n\n    <\/div>\n\n  <\/nav>\n\n\n  <!-- =====================================================\n       WAS IST CROSSFLOW?\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--white\"\n           id=\"funktionsweise\">\n\n    <div class=\"bcf-wrap bcf-two-col\">\n\n      <div class=\"bcf-copy\">\n\n        <div class=\"bcf-eyebrow\">\n          How It Works\n        <\/div>\n\n        <h2>\n          What is crossflow filtration and how does it work?\n        <\/h2>\n\n        <p>\n          In tangential flow filtration, the fluid to be treated flows parallel to the active separation surface. This flow pattern continuously sweeps the membrane surface. Part of the liquid passes through the separation layer as filtrate or permeate, while larger particles and other retained components remain in the retentate.\n        <\/p>\n\n        <p>\n          This process is therefore also known as crossflow filtration. Unlike a separation stage with purely frontal flow, the suspension travels along the surface. The resulting shear forces can help prevent solids from accumulating on the filter surface and rapidly clogging it.\n        <\/p>\n\n        <p>\n          A defining feature is the combination of separation with continuous movement of the process stream along the separation zone. BECA\u00ae therefore considers not only the separation surface itself, but the entire process system.\n        <\/p>\n\n      <\/div>\n\n\n      <div class=\"bcf-process\">\n\n        <div class=\"bcf-process-flow\">\n\n          <div class=\"bcf-process-box\">\n            <div>\n              <strong>Feed<\/strong>\n              <span>Suspension \/ Fluid<\/span>\n            <\/div>\n          <\/div>\n\n          <div class=\"bcf-arrow\">\n            \u2192\n          <\/div>\n\n          <div class=\"bcf-process-box\">\n            <div>\n              <strong>Membrane<\/strong>\n              <span>Tangential Flow<\/span>\n            <\/div>\n          <\/div>\n\n          <div class=\"bcf-arrow\">\n            \u2192\n          <\/div>\n\n          <div class=\"bcf-process-box\">\n            <div>\n              <strong>Permeate<\/strong>\n              <span>Permeate Stream<\/span>\n            <\/div>\n          <\/div>\n\n        <\/div>\n\n\n        <div class=\"bcf-retentate\">\n\n          <div class=\"bcf-process-box\">\n\n            <div>\n              <strong>Retentate<\/strong>\n              <span>Retained Components<\/span>\n            <\/div>\n\n          <\/div>\n\n        <\/div>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       DEAD END VS CROSSFLOW\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--grey\"\n           id=\"vergleich\">\n\n    <div class=\"bcf-wrap\">\n\n      <div class=\"bcf-compare-head\">\n\n        <div class=\"bcf-eyebrow\">\n          Process Comparison\n        <\/div>\n\n        <h2>\n          Crossflow or dead-end filtration: what is the difference?\n        <\/h2>\n\n        <p>\n          Both filtration methods perform a separation task, but differ significantly in flow direction and behavior at the filter surface.\n        <\/p>\n\n      <\/div>\n\n\n      <div class=\"bcf-compare\">\n\n        <article class=\"bcf-compare-card bcf-compare-card--primary\">\n\n          <div class=\"bcf-compare-icon\">\n            \u2192\n          <\/div>\n\n          <h3>\n            Cross-Flow\n          <\/h3>\n\n          <p>\n            In crossflow filtration, the process medium flows tangentially along the separation surface. Particles are therefore not forced solely against the membrane, but are partially carried onward with the process stream.\n          <\/p>\n\n          <ul class=\"bcf-compare-list\">\n\n            <li>\n              Tangential flow along the membrane surface\n            <\/li>\n\n            <li>\n              Reduced formation of a pronounced cake layer\n            <\/li>\n\n            <li>\n              Suitable for continuous processing\n            <\/li>\n\n            <li>\n              Retentate and permeate are routed separately\n            <\/li>\n\n          <\/ul>\n\n        <\/article>\n\n\n        <article class=\"bcf-compare-card\">\n\n          <div class=\"bcf-compare-icon\">\n            \u2193\n          <\/div>\n\n          <h3>\n            Dead-End Filtration\n          <\/h3>\n\n          <p>\n            In dead-end filtration, the process medium flows essentially perpendicular to the separation surface. The liquid passes through the pores while solids are retained.\n          <\/p>\n\n          <ul class=\"bcf-compare-list\">\n\n            <li>\n              Perpendicular flow through the separation surface\n            <\/li>\n\n            <li>\n              Filter cake can build up during operation\n            <\/li>\n\n            <li>\n              Flow resistance can increase as the cake layer grows\n            <\/li>\n\n            <li>\n              Suitable for other specific separation tasks\n            <\/li>\n\n          <\/ul>\n\n        <\/article>\n\n      <\/div>\n\n\n      <div style=\"max-width:900px;margin-top:34px;\">\n\n        <p>\n          The better filtration method depends on the specific product. Solids content, viscosity, temperature, required separation selectivity, transmembrane pressure and cleaning strategy must be evaluated together.\n        <\/p>\n\n        <p>\n          At BECA\u00ae, we therefore do not simply select a standard component. Each system is engineered around the specific process requirements.\n        <\/p>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       VORTEILE\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--white\"\n           id=\"vorteile\">\n\n    <div class=\"bcf-wrap\">\n\n      <div class=\"bcf-benefit-head\">\n\n        <div class=\"bcf-eyebrow\">\n          Process Benefits\n        <\/div>\n\n        <h2>\n          How does tangential flow filtration reduce cake build-up and fouling?\n        <\/h2>\n\n        <p>\n          Flow across the separation surface is one of the key differences from conventional filtration. In practice, this creates several process-engineering advantages.\n        <\/p>\n\n      <\/div>\n\n\n      <div class=\"bcf-benefits\">\n\n        <article class=\"bcf-benefit\">\n\n          <span class=\"bcf-benefit-number\">\n            01\n          <\/span>\n\n          <h3>\n            Reduced Fouling\n          <\/h3>\n\n          <p>\n            Tangential flow can reduce deposits on the surface and help prevent rapid fouling.\n          <\/p>\n\n        <\/article>\n\n\n        <article class=\"bcf-benefit\">\n\n          <span class=\"bcf-benefit-number\">\n            02\n          <\/span>\n\n          <h3>\n            Continuous Processing\n          <\/h3>\n\n          <p>\n            Permeate and retentate can be continuously separated and routed independently during operation.\n          <\/p>\n\n        <\/article>\n\n\n        <article class=\"bcf-benefit\">\n\n          <span class=\"bcf-benefit-number\">\n            03\n          <\/span>\n\n          <h3>\n            Gentle Product Handling\n          <\/h3>\n\n          <p>\n            Velocity, pressure, temperature and flow conditions can be adapted to the properties of the specific process medium.\n          <\/p>\n\n        <\/article>\n\n\n        <article class=\"bcf-benefit\">\n\n          <span class=\"bcf-benefit-number\">\n            04\n          <\/span>\n\n          <h3>\n            Integrated Process Engineering\n          <\/h3>\n\n          <p>\n            Pumps, piping, automation and cleaning can be engineered together as a complete process system.\n          <\/p>\n\n        <\/article>\n\n      <\/div>\n\n\n      <div style=\"max-width:920px;margin-top:38px;\">\n\n        <p>\n          In many separation processes, particles accumulate on the active surface. As this layer grows, hydraulic resistance can increase. Tangential flow across the membrane keeps the medium moving along the surface and can repeatedly carry particles away from it.\n        <\/p>\n\n        <p>\n          The resulting shear forces must be matched to the specific application. Maximum velocity is not automatically the best solution. Sensitive products should be handled as gently as possible, while other media can tolerate or require higher shear.\n        <\/p>\n\n        <p>\n          Gentle, quality-preserving processing therefore results from the interaction of velocity, pressure, temperature, geometry and product properties. The cleaning strategy also plays an important role. A correctly sized system can reduce fouling and clogging, supporting a long service life for the relevant components.\n        <\/p>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       MEMBRAN \/ RETENTAT \/ PERMEAT\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--grey\">\n\n    <div class=\"bcf-wrap bcf-two-col\">\n\n      <div class=\"bcf-copy\">\n\n        <div class=\"bcf-eyebrow\">\n          Separation Principle\n        <\/div>\n\n        <h2>\n          How do membrane, retentate and permeate work in crossflow filtration?\n        <\/h2>\n\n        <p>\n          The membrane, or other separation medium used, largely determines which components pass through and which are retained. The feed stream is guided along the separation surface. One stream passes through the separation zone, while a second stream contains the retained components.\n        <\/p>\n\n        <p>\n          Depending on the process, either the filtrate or permeate, or the retentate, may be the desired product. In a concentration process, for example, the retained phase can be progressively concentrated. In clarification, the permeating phase is often the product of interest.\n        <\/p>\n\n        <p>\n          Undesired components can then be treated separately or discharged. Effective system design therefore starts not with the choice of a specific membrane type, but with the desired process result.\n        <\/p>\n\n        <a class=\"bcf-button\"\n           href=\"https:\/\/beca.test-rmwebsolutions.de\/en\/filtration\/\">\n          BECA\u00ae Filtration Solutions <span>\u2192<\/span>\n        <\/a>\n\n      <\/div>\n\n\n      <div>\n\n        <div class=\"bcf-terms\">\n\n          <div class=\"bcf-term\">\n\n            <strong>\n              Membrane\n            <\/strong>\n\n            <span>\n              Defines the actual separation task according to the process and application.\n            <\/span>\n\n          <\/div>\n\n\n          <div class=\"bcf-term\">\n\n            <strong>\n              Permeate\n            <\/strong>\n\n            <span>\n              Process stream that passes through the active separation surface.\n            <\/span>\n\n          <\/div>\n\n\n          <div class=\"bcf-term\">\n\n            <strong>\n              Retentate\n            <\/strong>\n\n            <span>\n              Process stream containing the components retained by the membrane.\n            <\/span>\n\n          <\/div>\n\n        <\/div>\n\n\n        <div style=\"margin-top:24px;padding:25px;border:1px solid var(--line);background:#fff;\">\n\n          <h3>\n            Microfiltration and Ultrafiltration\n          <\/h3>\n\n          <p style=\"margin-bottom:0;font-size:.85rem;\">\n            Depending on the separation task, applications range from microfiltration to ultrafiltration. Separation ranges may be specified in \u00b5m or, for very fine applications, in nm. In addition to conventional module designs, hollow-fiber modules, hollow fibers or capillary membranes may also be used.\n          <\/p>\n\n        <\/div>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       EINSATZGEBIETE\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--white\"\n           id=\"einsatzgebiete\">\n\n    <div class=\"bcf-wrap\">\n\n      <div style=\"max-width:820px;\">\n\n        <div class=\"bcf-eyebrow\">\n          Applications\n        <\/div>\n\n        <h2>\n          Which suspensions and liquids are suitable for crossflow filtration?\n        <\/h2>\n\n        <p>\n          Crossflow can be suitable for a wide range of suspensions and industrial process media. In general, it is considered wherever components need to be separated from a liquid phase, concentrated or recovered.\n        <\/p>\n\n      <\/div>\n\n\n      <div class=\"bcf-use-grid\">\n\n        <article class=\"bcf-use\">\n\n          <span>\n            BEVERAGES\n          <\/span>\n\n          <h3>\n            Brewing &amp; Beverage Industry\n          <\/h3>\n\n          <p>\n            Clarification, recovery and product-specific separation tasks in liquid process streams.\n          <\/p>\n\n        <\/article>\n\n\n        <article class=\"bcf-use\">\n\n          <span>\n            FOOD\n          <\/span>\n\n          <h3>\n            Food Industry\n          <\/h3>\n\n          <p>\n            Treatment and separation of suspensions and liquid product streams.\n          <\/p>\n\n        <\/article>\n\n\n        <article class=\"bcf-use\">\n\n          <span>\n            WINE \/ JUICE\n          <\/span>\n\n          <h3>\n            Wine &amp; Fruit Juice\n          <\/h3>\n\n          <p>\n            Quality-preserving processing as well as clarification and concentration.\n          <\/p>\n\n        <\/article>\n\n\n        <article class=\"bcf-use\">\n\n          <span>\n            PHARMA \/ CHEMICALS\n          <\/span>\n\n          <h3>\n            Pharmaceutical Industry\n          <\/h3>\n\n          <p>\n            Defined separation and concentration tasks with controlled process conditions.\n          <\/p>\n\n        <\/article>\n\n      <\/div>\n\n\n      <div style=\"max-width:940px;\">\n\n        <p>\n          The process medium is typically pumped through the system so that the filtration surface is continuously swept by the flow. How effectively a specific suspension can be processed depends, among other factors, on particle size, solids concentration, viscosity, temperature and chemical properties.\n        <\/p>\n\n        <p>\n          Product pretreatment and storage can also affect subsequent separation behavior. A specific application should therefore not be evaluated solely on theoretical parameters. Depending on the medium, process data, laboratory results or trials can provide an important basis for system design.\n        <\/p>\n\n        <p>\n          In food, wine or fruit-juice applications, a crossflow system can be used to remove particles, clarify product streams or further concentrate specific components. One potential process advantage is the elimination of filter aids, provided the crossflow process can replace the corresponding conventional process step.\n        <\/p>\n\n        <p>\n          This can simplify handling and disposal. Whether this is technically feasible and economically viable in a specific production process must be assessed individually.\n        <\/p>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       BECA CROSSFLOW SYSTEME\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--grey\"\n           id=\"beca-crossflow-loesungen\">\n\n    <div class=\"bcf-wrap\">\n\n      <div class=\"bcf-solutions-head\">\n\n        <div class=\"bcf-eyebrow\">\n          BECA\u00ae Crossflow Systems\n        <\/div>\n\n        <h2>\n          Two crossflow principles. One solution engineered for your process.\n        <\/h2>\n\n        <p>\n          The most suitable crossflow variant depends on the process medium, solids content, required throughput, process conditions and separation task. BECA\u00ae offers different technical concepts so that a single system principle does not have to be applied to every application.\n        <\/p>\n\n      <\/div>\n\n\n      <div class=\"bcf-solutions\">\n\n        <article class=\"bcf-solution\">\n\n          <div class=\"bcf-solution-label\">\n            BECA\u00ae \/ Dynamic\n          <\/div>\n\n          <h3>\n            Dynamic Crossflow\n          <\/h3>\n\n          <p>\n            In dynamic crossflow, moving system elements additionally influence the hydrodynamic conditions at the separation surface. This allows relative motion between the separation surface and the product to be generated differently than in a system driven solely by fluid flow.\n          <\/p>\n\n          <p>\n            High solids content, product characteristics, required throughput or product sensitivity can influence the choice of this technology.\n          <\/p>\n\n          <a class=\"bcf-button\"\n             href=\"https:\/\/beca.test-rmwebsolutions.de\/en\/dynamic-crossflow\/\">\n            Explore Dynamic Crossflow <span>\u2192<\/span>\n          <\/a>\n\n        <\/article>\n\n\n        <article class=\"bcf-solution\">\n\n          <div class=\"bcf-solution-label\">\n            BECA\u00ae \/ Static Inline\n          <\/div>\n\n          <h3>\n            Static Inline Crossflow\n          <\/h3>\n\n          <p>\n            In a static system, the required relative motion at the separation surface is generated primarily by the flow of the process medium. Pumping capacity, channel geometry and velocity largely determine conditions at the surface.\n          <\/p>\n\n          <p>\n            These concepts can be particularly suitable for compact, continuously operated process lines.\n          <\/p>\n\n          <a class=\"bcf-button\"\n             href=\"https:\/\/beca.test-rmwebsolutions.de\/en\/static-inline-crossflow\/\">\n            Explore Static Inline Crossflow <span>\u2192<\/span>\n          <\/a>\n\n        <\/article>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       PHARMA \/ ALLGEMEINE VERFAHRENSTECHNIK\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--white\">\n\n    <div class=\"bcf-wrap\">\n\n      <div style=\"max-width:920px;\">\n\n        <div class=\"bcf-eyebrow\">\n          General Process Engineering\n        <\/div>\n\n        <h2>\n          What advantages does tangential flow filtration offer in pharmaceutical and process engineering?\n        <\/h2>\n\n        <p>\n          Tangential flow filtration is also used in pharmaceutical production and other areas of general process engineering for defined separation and concentration tasks. Depending on the process, particles, cell components or other constituents can be separated based on size and retention characteristics.\n        <\/p>\n\n        <p>\n          In addition to separation performance, materials of construction, hygienic design, cleanability, reproducible process conditions and reliable automation are important. Depending on the process medium, low-pressure operation or particularly gentle flow conditions may also be required.\n        <\/p>\n\n        <p>\n          The equipment must therefore be treated as an integrated process system. On request, BECA\u00ae combines process engineering design with planning, mechanical design, automation, installation and commissioning.\n        <\/p>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       ENGINEERING\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--grey\">\n\n    <div class=\"bcf-wrap bcf-engineering-grid\">\n\n      <div>\n\n        <div class=\"bcf-eyebrow\">\n          Engineering\n        <\/div>\n\n        <h2>\n          Crossflow is more than a membrane.\n        <\/h2>\n\n        <p>\n          BECA\u00ae engineers the separation stage as part of a complete process plant. Pumps, tanks, piping, valves, instrumentation and control, cleaning systems and automation can all be designed as an integrated system.\n        <\/p>\n\n        <p>\n          This makes the concept particularly suitable for projects where crossflow should be integrated into the overall production line rather than engineered in isolation.\n        <\/p>\n\n\n        <div style=\"display:flex;flex-wrap:wrap;gap:10px;margin-top:25px;\">\n\n          <a class=\"bcf-button\"\n             href=\"https:\/\/beca.test-rmwebsolutions.de\/en\/services\/\">\n            Engineering &amp; Services <span>\u2192<\/span>\n          <\/a>\n\n          <a class=\"bcf-button\"\n             href=\"https:\/\/beca.test-rmwebsolutions.de\/en\/services\/turnkey\/\">\n            Turnkey <span>\u2192<\/span>\n          <\/a>\n\n        <\/div>\n\n      <\/div>\n\n\n      <div class=\"bcf-steps\">\n\n        <article class=\"bcf-step\">\n\n          <span class=\"bcf-step-number\">\n            01\n          <\/span>\n\n          <div>\n\n            <h3>\n              Process Analysis\n            <\/h3>\n\n            <p>\n              Process medium, throughput, solids content and the required separation result form the basis for system design.\n            <\/p>\n\n          <\/div>\n\n        <\/article>\n\n\n        <article class=\"bcf-step\">\n\n          <span class=\"bcf-step-number\">\n            02\n          <\/span>\n\n          <div>\n\n            <h3>\n              Process Engineering\n            <\/h3>\n\n            <p>\n              Pump sizing, flow management, membrane concept, process parameters and cleaning are evaluated together.\n            <\/p>\n\n          <\/div>\n\n        <\/article>\n\n\n        <article class=\"bcf-step\">\n\n          <span class=\"bcf-step-number\">\n            03\n          <\/span>\n\n          <div>\n\n            <h3>\n              Automation\n            <\/h3>\n\n            <p>\n              Pressure, flow rates, temperatures and process states can be monitored and controlled.\n            <\/p>\n\n          <\/div>\n\n        <\/article>\n\n\n        <article class=\"bcf-step\">\n\n          <span class=\"bcf-step-number\">\n            04\n          <\/span>\n\n          <div>\n\n            <h3>\n              Manufacturing &amp; Integration\n            <\/h3>\n\n            <p>\n              The crossflow stage can be integrated into new plants or existing production environments.\n            <\/p>\n\n          <\/div>\n\n        <\/article>\n\n\n        <article class=\"bcf-step\">\n\n          <span class=\"bcf-step-number\">\n            05\n          <\/span>\n\n          <div>\n\n            <h3>\n              Commissioning &amp; Service\n            <\/h3>\n\n            <p>\n              BECA\u00ae supports projects through commissioning and can also provide service and lifecycle support.\n            <\/p>\n\n          <\/div>\n\n        <\/article>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       WIRTSCHAFTLICHKEIT\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--white\"\n           id=\"wirtschaftlichkeit\">\n\n    <div class=\"bcf-wrap bcf-economy-grid\">\n\n      <div>\n\n        <div class=\"bcf-eyebrow\">\n          Cost Efficiency\n        <\/div>\n\n        <h2>\n          What determines the cost efficiency of a crossflow filtration system?\n        <\/h2>\n\n        <p>\n          The economics of an industrial plant depend on more than the purchase price. Product losses, throughput, energy consumption, cleaning requirements, plant availability, wear parts and potential downtime are equally important.\n        <\/p>\n\n        <p>\n          A technically well-matched system can be more economical over its service life than a lower-cost system that is poorly suited to the product. Especially with demanding process media, pump sizing, flow velocity, available membrane area and cleaning sequences must be coordinated.\n        <\/p>\n\n        <p>\n          Automation also plays an important role. Production, rinsing and cleaning sequences can be automated depending on the system concept, supporting reproducible operation.\n        <\/p>\n\n      <\/div>\n\n\n      <div class=\"bcf-economy-cards\">\n\n        <div class=\"bcf-economy-card\">\n          <strong>Product Losses<\/strong>\n          <span>\u2193<\/span>\n        <\/div>\n\n        <div class=\"bcf-economy-card\">\n          <strong>Plant Availability<\/strong>\n          <span>\u2191<\/span>\n        <\/div>\n\n        <div class=\"bcf-economy-card\">\n          <strong>Process Reliability<\/strong>\n          <span>\u2191<\/span>\n        <\/div>\n\n        <div class=\"bcf-economy-card\">\n          <strong>Reproducible Operation<\/strong>\n          <span>\u2191<\/span>\n        <\/div>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       WANN BECA?\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--grey\">\n\n    <div class=\"bcf-wrap\">\n\n      <div style=\"max-width:920px;\">\n\n        <div class=\"bcf-eyebrow\">\n          Selecting the Right Solution\n        <\/div>\n\n        <h2>\n          When is a BECA\u00ae crossflow solution the right choice?\n        <\/h2>\n\n        <p>\n          A crossflow solution is particularly attractive when demanding solid-liquid separation, recovery or concentration is required and conventional systems reach technical or economic limits.\n        <\/p>\n\n        <p>\n          What matters is not the label \u201ccrossflow\u201d itself, but the result in the real process. The system must provide the required mass transfer, suit the process medium and operate reliably over the long term.\n        <\/p>\n\n        <p>\n          A BECA\u00ae solution can extend from the separation stage itself to pumps and piping, instrumentation and control, software, cleaning and commissioning. This makes the concept particularly suitable for companies seeking an integrated process-engineering solution rather than an isolated filtration machine.\n        <\/p>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       ZUSAMMENFASSUNG\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--white\">\n\n    <div class=\"bcf-wrap bcf-summary\">\n\n      <div>\n\n        <div class=\"bcf-eyebrow\">\n          Summary\n        <\/div>\n\n        <h2>\n          Crossflow Filtration at a Glance\n        <\/h2>\n\n        <p>\n          Crossflow combines a defined separation task with controlled flow along the membrane surface. The right technical solution always depends on the actual process.\n        <\/p>\n\n      <\/div>\n\n\n      <ul class=\"bcf-checklist\">\n\n        <li>\n          The process medium flows tangentially along the separation surface rather than only perpendicular to it.\n        <\/li>\n\n        <li>\n          Crossflow can limit the formation of a pronounced cake layer.\n        <\/li>\n\n        <li>\n          Retentate and permeate enable clarification, concentration and recovery processes.\n        <\/li>\n\n        <li>\n          Membrane, pressure, velocity, temperature and product properties must be considered together.\n        <\/li>\n\n        <li>\n          Crossflow is suitable for numerous applications in beverage, food, pharmaceutical and general process engineering.\n        <\/li>\n\n        <li>\n          BECA\u00ae offers both dynamic and static inline crossflow solutions.\n        <\/li>\n\n        <li>\n          Cleaning, automation, energy demand, product losses and plant availability all affect cost efficiency.\n        <\/li>\n\n        <li>\n          BECA\u00ae can integrate crossflow from engineering through to a turnkey process solution.\n        <\/li>\n\n      <\/ul>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- =====================================================\n       CTA\n       ===================================================== -->\n\n  <section class=\"bcf-section bcf-section--yellow bcf-cta\">\n\n    <div class=\"bcf-wrap bcf-cta-grid\">\n\n      <div>\n\n        <div class=\"bcf-eyebrow\"\n             style=\"color:rgba(17,25,30,.62);\">\n\n          Crossflow Project\n\n        <\/div>\n\n        <h2>\n          Which crossflow solution fits your process?\n        <\/h2>\n\n        <p>\n          Process medium, throughput, solids content, temperature and the required separation result form the basis for system design. Discuss your application directly with BECA\u00ae.\n        <\/p>\n\n      <\/div>\n\n\n      <div class=\"bcf-cta-action\">\n\n        <a class=\"bcf-button\"\n           href=\"https:\/\/beca.test-rmwebsolutions.de\/en\/contact\/\">\n          Discuss Your Project with BECA\u00ae <span>\u2192<\/span>\n        <\/a>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n<\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-576","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/beca.test-rmwebsolutions.de\/en\/wp-json\/wp\/v2\/pages\/576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beca.test-rmwebsolutions.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/beca.test-rmwebsolutions.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/beca.test-rmwebsolutions.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/beca.test-rmwebsolutions.de\/en\/wp-json\/wp\/v2\/comments?post=576"}],"version-history":[{"count":3,"href":"https:\/\/beca.test-rmwebsolutions.de\/en\/wp-json\/wp\/v2\/pages\/576\/revisions"}],"predecessor-version":[{"id":731,"href":"https:\/\/beca.test-rmwebsolutions.de\/en\/wp-json\/wp\/v2\/pages\/576\/revisions\/731"}],"wp:attachment":[{"href":"https:\/\/beca.test-rmwebsolutions.de\/en\/wp-json\/wp\/v2\/media?parent=576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}