{"product_id":"ccedieiem","title":"Economic Ion-Exchange Membrane for Continuous Electrodeionization (EDI), CCEDIEIEM","description":"\u003cp\u003eIn an Electrodeionization (EDI) stack, the Ion Exchange Membranes (IEMs)—both Cation (CEM) and Anion (AEM)—act as the selective physical barriers that make the continuous purification process possible. While the ion-exchange resins inside the cells capture the impurities, the membranes ensure those impurities move in only one direction: out of the product water.\u003c\/p\u003e\n\u003cp\u003eAn EDI module consists of multiple \"cells\" created by alternating CEMs and AEMs. (1) \u003cstrong\u003eSelective Permeability\u003c\/strong\u003e: \u003cem\u003eCEM (Cation Exchange Membrane) with n\u003c\/em\u003eegatively charge allows cations (Na+, Ca^{2+}, H+) to pass through toward the cathode (negative electrode) but blocks anions. \u003cem\u003eAEM (Anion Exchange Membrane)\u003c\/em\u003e: Positively charged; allows anions (Cl-, SO4^{2-}, OH-) to pass through toward the anode (positive electrode) but blocks cations. (2) \u003cstrong\u003eThe Concentration Mechanism\u003c\/strong\u003e: As the DC electric field is applied, ions are pulled out of the Diluate (Freshwater) Chamber, through the respective membranes, and into the Concentrate Chamber. Once an ion crosses a membrane into the concentrate stream, it is \"trapped\" because the next membrane in its path has an identical charge and repels it.\u003c\/p\u003e\n\u003ctable style=\"width: 100.036%; height: 192.637px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 40.2375px;\"\u003e\n\u003ctd style=\"width: 34.8795%; height: 40.2375px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%; height: 40.2375px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCCEDIECEM (C-CEDI-ECEM)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003eCCEDIEAEM (C-CEDI-EAEM)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 34.8795%; height: 35.6px;\"\u003e\u003cem\u003eAppearance\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003ePink to Red\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003eLight Yellow\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 34.8795%; height: 35.6px;\"\u003e\u003cem\u003eExchange Capacity (Dry)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e2.0 mol\/kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e1.8 mol\/kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8795%;\"\u003e\u003cem\u003eSelectivity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e≥90%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e≥89%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8795%;\"\u003e\u003cem\u003eDry Thickness\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e0.4 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e0.4 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8795%;\"\u003e\u003cem\u003eArea Resistance (0.5 M NaCl)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003e≤19.0Ω cm2\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003e≤20 Ω cm2\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8795%;\"\u003e\u003cem\u003eOperation Conditions\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003eT\u0026lt;40°C, pH: 2-12\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003eT\u0026lt;40°C, pH: 2-12\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8795%;\"\u003e\u003cem\u003ePackage Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e10cm*10cm or 20cm*20cm \/pcs\/pack (a larger size can be supplied upon request)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1827%;\"\u003e\n\u003cp\u003e\u003cspan\u003e10cm*10cm or 20cm*20cm \/pcs\/pack (a larger size can be supplied upon request)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eReference: \u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S037673880600233X\"\u003eA. Grabowski, et al., The production of high purity water by continuous electrodeionization with bipolar membranes: Influence of the anion-exchange membrane permselectivity, J. Membrane Sci., 2006, 281, 297-306\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.iecr.5b03043\"\u003eV. Bhadja, et al., Comparative Efficacy Study of Different Types of Ion Exchange Membranes for Production of Ultrapure Water via Electrodeionization, Ind. Eng. Chem. Res. 2015, 54, 44, 10974–10982\u003c\/a\u003e. \u003c\/li\u003e\n\u003c\/ol\u003e","brand":"SS","offers":[{"title":"CEM (10cm * 10cm)","offer_id":47479250125030,"sku":"CCEDIECEM1010","price":19.0,"currency_code":"USD","in_stock":true},{"title":"CEM (20cm * 20cm)","offer_id":47479250157798,"sku":"CCEDIECEM2020","price":39.0,"currency_code":"USD","in_stock":true},{"title":"AEM (10cm * 10cm)","offer_id":47479361929446,"sku":"CCEDIEAEM1010","price":19.0,"currency_code":"USD","in_stock":true},{"title":"AEM (20cm * 20cm)","offer_id":47479361962214,"sku":"CCEDIEAEM2020","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CCEDIEIEM_main.png?v=1774380890","url":"https:\/\/echemsupplies.com\/products\/ccedieiem","provider":"EChem Supplies","version":"1.0","type":"link"}