{"product_id":"ceehbpm","title":"Economic Homogeneous Bipolar Membrane (BPM) for Electrodialysis, CEEHBPM","description":"\u003cp\u003eIn the field of Bipolar Membrane Electrodialysis (BMED), a homogeneous bipolar membrane (BPM) is a specialized composite membrane designed to split water into H+ and OH- ions. Unlike standard exchange membranes that simply transport existing ions, the BPM acts as a \"chemical reactor\" that generates acid and base in-situ.\u003c\/p\u003e\n\u003cp\u003eA \"homogeneous\" bipolar membrane is constructed by laminating two distinct ion-exchange layers at the molecular level, ensuring a seamless and high-performance interface: (1) \u003cstrong\u003eCation Exchange Layer (CEL)\u003c\/strong\u003e: A negatively charged layer (usually sulfonic acid groups) that allows H+ to pass toward the cathode. (2) \u003cstrong\u003eAnion Exchange Layer (AEL)\u003c\/strong\u003e: A positively charged layer (usually quaternary ammonium groups) that allows OH- to pass toward the anode. (3) \u003cstrong\u003eIntermediate (Catalytic) Layer\u003c\/strong\u003e: The thin region where the two layers meet. In homogeneous membranes, this interface is extremely thin and often contains a water-splitting catalyst (like metal oxides or specialized polymers) to accelerate the reaction.\u003c\/p\u003e\n\u003cp\u003eHomogeneous BPMs are the \"engine\" behind resource recovery and circular chemistry: (1) \u003cstrong\u003eLithium Hydroxide (LiOH) Production\u003c\/strong\u003e: Converting Lithium Sulfate (Li2SO4) from brines directly into battery-grade LiOH and H2SO4. (2) \u003cstrong\u003eOrganic Acid Recovery\u003c\/strong\u003e: Recovering lactic acid, citric acid, or gluconic acid from fermentation broths without generating gypsum waste. (3) \u003cstrong\u003eWaste Acid\/Base Recovery\u003c\/strong\u003e: Regenerating NaOH and HCl from industrial salty wastewater, achieving \"Zero Liquid Discharge\" (ZLD). (4) \u003cstrong\u003eFlue Gas Desulfurization\u003c\/strong\u003e: Converting captured SO2 into useful sulfuric acid.\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eCEEHBPM (C-E-EHBPM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Groups\u003c\/td\u003e\n\u003ctd\u003eSulfuric Acid (-SO3H) and quarterly ammonia (NH4+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacking Foil\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eWet Thickness (um)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e190-310 um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eBurst Strength\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;0.5 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eTensile Strength\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;25 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eWater Splitting Voltage\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e1.1-1.3 V (100 mA\/cm2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eMax Current\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e~800 A\/m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eFaradaic Efficiency\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;98%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eExchange Capacity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.7-0.9 (H+)\u003c\/p\u003e\n\u003cp\u003e0.6-0.8 (OH-)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eOperation Temperature\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e≤ 40 °C\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003epH Range \u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1-14\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003ePre-treatment\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eNo\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003ePrimary Applications\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003eInorganic and organic acid recovery, LiOH preparation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003ePackage Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e10cm*10cm\/pcs\/pack (other sheet size of 20cm*20cm, 30cm*30cm, 40cm*40cm, an 50cm*50cm also can be supplied upon request)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0011916418316321\"\u003eD. İpekçi, et al., Effect of acid-base solutions used in acid-base compartments for simultaneous recovery of lithium and boron from aqueous solution using bipolar membrane electrodialysis (BMED), \u003cspan class=\"cit-title\"\u003e\u003ci\u003eDesalination,\u003c\/i\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"cit-year-info\"\u003e\u003cspan\u003e2018\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"cit-volume\"\u003e, 448\u003c\/span\u003e\u003c\/a\u003e\u003cspan class=\"cit-pageRange\"\u003e\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0011916418316321\"\u003e, 69-75\u003c\/a\u003e\u003ca href=\"https:\/\/advanced.onlinelibrary.wiley.com\/doi\/full\/10.1002\/aenm.202301614\"\u003e\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S138358662100736X\"\u003eX. Chen, et al., Production of lithium hydroxide by electrodialysis with bipolar membranes, Separation and Purification Technology, 2021, 274, 119026\u003c\/a\u003e. \u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"MYKJ","offers":[{"title":"Default Title","offer_id":47481487491302,"sku":"CEEHBPM","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CEHBPM_main.png?v=1774467867","url":"https:\/\/echemsupplies.com\/products\/ceehbpm","provider":"EChem Supplies","version":"1.0","type":"link"}