{"id":286,"date":"2026-01-01T07:19:21","date_gmt":"2026-01-01T07:19:21","guid":{"rendered":"https:\/\/industrial-water-treatment.com\/?post_type=product&p=286"},"modified":"2026-06-30T08:26:04","modified_gmt":"2026-06-30T08:26:04","slug":"electrodeionization-edi-systems","status":"publish","type":"product","link":"https:\/\/industrial-water-treatment.com\/fr\/electrodeionization-edi-systems\/","title":{"rendered":"Electrodeionization EDI Systems for High Purity Water"},"content":{"rendered":"

An Electrodeionization (EDI) system<\/strong> is an advanced water purification unit designed to produce high-purity and ultrapure water<\/strong> by continuously removing dissolved ionized impurities from pretreated water, typically after reverse osmosis. It combines ion exchange resins, ion-selective membranes, and direct current electricity<\/strong> in one integrated process, allowing continuous deionization without the need for chemical regeneration.<\/p>\r\n

EDI systems are widely used in industries that require consistently high water purity, including pharmaceutical manufacturing, power generation, semiconductor and electronics production, laboratories, cosmetics, and fine chemical processing<\/strong>. Because the process is continuous, EDI offers a reliable alternative to traditional mixed-bed ion exchange systems, which require acid and caustic chemicals for regeneration. This helps reduce chemical handling, lower operating risk, and simplify water treatment system management.<\/p>\r\n

In a typical water treatment line, EDI is installed after reverse osmosis<\/strong> to polish the permeate water and remove remaining ions such as sodium, silica, chloride, calcium, and other trace contaminants. The result is high-resistivity water suitable for demanding industrial and commercial applications. The system is often integrated with pretreatment units, RO systems, storage tanks, UV sterilization, and final filtration<\/strong> to create a complete high-purity water production system.<\/p>\r\n

An EDI system offers several important advantages, including continuous operation, stable water quality, lower chemical consumption, reduced wastewater from regeneration, and easier automation<\/strong>. It is especially valuable in facilities seeking cleaner operation and more efficient long-term water purification.<\/p>\r\n

For customers looking for a dependable solution for high-purity water production, an Electrodeionization (EDI) system provides an excellent combination of performance, consistency, and operational convenience<\/strong>. Whether used in pharmaceutical plants, boiler feed water systems, or electronics manufacturing, it plays a critical role in achieving reliable ultrapure water quality for sensitive processes.<\/p>\r\n

<\/p>\r\n

Specifications<\/h2>\r\n

\r\n\r\n<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Item<\/th>\r\n\r\n\r\n\r\nDescription<\/th>\r\n<\/tr>\r\n\r\n\r\n\r\n
Product Name<\/td>\r\n\r\n\r\n\r\nElectrodeionization (EDI) System<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
System Type<\/td>\r\n\r\n\r\n\r\nContinuous high-purity water polishing system<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Main Function<\/td>\r\n\r\n\r\n\r\nRemove dissolved ionized impurities from RO permeate to produce high-purity water<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Feed Water Requirement<\/td>\r\n\r\n\r\n\r\nReverse osmosis permeate or properly pretreated low-conductivity water<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Core Technology<\/td>\r\n\r\n\r\n\r\nIon exchange resin, ion-selective membranes, and direct current electricity<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Product Water Quality<\/td>\r\n\r\n\r\n\r\nHigh-purity or ultrapure water, designed according to application requirements<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Operation Mode<\/td>\r\n\r\n\r\n\r\nContinuous operation<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Regeneration Method<\/td>\r\n\r\n\r\n\r\nChemical-free electrical regeneration<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Module Type<\/td>\r\n\r\n\r\n\r\nStandard or customized EDI modules<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Control Mode<\/td>\r\n\r\n\r\n\r\nManual, semi-automatic, or fully automatic PLC control<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Working Pressure<\/td>\r\n\r\n\r\n\r\nCustomized according to system design<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Working Temperature<\/td>\r\n\r\n\r\n\r\nCustomized according to feed water conditions<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Flow Capacity<\/td>\r\n\r\n\r\n\r\nAvailable in different capacities and module combinations<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Instrumentation<\/td>\r\n\r\n\r\n\r\nConductivity meter, resistivity meter, flow meter, pressure gauge, and optional online monitoring<\/td>\r\n<\/tr>\r\n\r\n\r\n\r\n
Installation Type<\/td>\r\n\r\n\r\n\r\nStandalone skid-mounted or integrated with RO system<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

\u00a0<\/p>\r\n\r\n

Solutions<\/h2>\r\n\r\n\r\n\r\n

RO + EDI High-Purity Water Solution<\/h3>\r\n\r\n\r\n\r\n

EDI is commonly installed after reverse osmosis to polish RO permeate and produce stable high-purity water.<\/p>\r\n\r\n\r\n\r\n

Pharmaceutical Water Solution<\/h3>\r\n\r\n\r\n\r\n

Suitable for purified water systems where consistent water quality and reduced chemical handling are important.<\/p>\r\n\r\n\r\n\r\n

Power Plant Boiler Feed Water Solution<\/h3>\r\n\r\n\r\n\r\n

Provides high-purity water for boiler feed applications requiring low conductivity and low silica levels.<\/p>\r\n\r\n\r\n\r\n

Electronics and Semiconductor Water Solution<\/h3>\r\n\r\n\r\n\r\n

Used in industries that demand highly purified water for sensitive manufacturing and rinsing processes.<\/p>\r\n\r\n\r\n\r\n

Laboratory and Industrial Ultrapure Water Solution<\/h3>\r\n\r\n\r\n\r\n

Supports laboratories and industrial processes needing reliable high-resistivity water.<\/p>\r\n\r\n\r\n\r\n

Integrated High-Purity Water Package<\/h3>\r\n\r\n\r\n\r\n

Can be combined with pretreatment, RO, storage tanks, UV, and final filtration to build a complete turnkey system.<\/p>\r\n\r\n\r\n\r\n

Working Process<\/h2>\r\n\r\n\r\n\r\n
\"Electrodeionization<\/figure>\r\n\r\n\r\n\r\n

Customization<\/h2>\r\n\r\n\r\n\r\n

We provide customized EDI solutions based on feed water quality, required resistivity, and project needs.<\/p>\r\n\r\n\r\n\r\n

Available options include:<\/h3>\r\n\r\n\r\n\r\n
    \r\n
  • Different EDI module sizes and capacities<\/li>\r\n\r\n\r\n\r\n
  • Integrated RO + EDI skid design<\/li>\r\n\r\n\r\n\r\n
  • Manual, semi-automatic, or PLC automatic control<\/li>\r\n\r\n\r\n\r\n
  • Conductivity and resistivity online monitoring<\/li>\r\n\r\n\r\n\r\n
  • UV sterilization integration<\/li>\r\n\r\n\r\n\r\n
  • Final polishing mixed bed optional backup<\/li>\r\n\r\n\r\n\r\n
  • CIP or cleaning arrangement<\/li>\r\n\r\n\r\n\r\n
  • Stainless steel skid and sanitary piping options<\/li>\r\n\r\n\r\n\r\n
  • Touchscreen HMI control panel<\/li>\r\n\r\n\r\n\r\n
  • OEM branding support<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n

    Applications<\/h2>\r\n\r\n\r\n\r\n

    Electrodeionization systems are widely used in:<\/p>\r\n\r\n\r\n\r\n

      \r\n
    • Pharmaceutical water systems<\/li>\r\n\r\n\r\n\r\n
    • Power plant boiler feed water treatment<\/li>\r\n\r\n\r\n\r\n
    • Semiconductor and electronics manufacturing<\/li>\r\n\r\n\r\n\r\n
    • Laboratory high-purity water systems<\/li>\r\n\r\n\r\n\r\n
    • Cosmetics and fine chemical production<\/li>\r\n\r\n\r\n\r\n
    • Food and beverage process water<\/li>\r\n\r\n\r\n\r\n
    • Industrial ultrapure water systems<\/li>\r\n\r\n\r\n\r\n
    • RO polishing applications<\/li>\r\n\r\n\r\n\r\n
    • Medical device manufacturing<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n

      FAQ<\/h2>\r\n\r\n\r\n
      \n
      \n
      \n

      What is an EDI system used for?<\/h3>\n
      \n\n

      An EDI system is used to produce high-purity water by removing dissolved ionized impurities from reverse osmosis permeate.<\/p>\n\n<\/div>\n<\/div>\n

      \n

      Does EDI require chemical regeneration?<\/h3>\n
      \n\n

      No. EDI uses electrical regeneration and does not require acid or caustic for normal resin regeneration.<\/p>\n\n<\/div>\n<\/div>\n

      \n

      Is EDI better than mixed bed deionization?<\/h3>\n
      \n\n

      EDI offers continuous operation and avoids chemical regeneration, while mixed bed systems may still be preferred in some special polishing or backup applications.<\/p>\n\n<\/div>\n<\/div>\n

      \n

      What feed water is required for EDI?<\/h3>\n
      \n\n

      EDI typically requires reverse osmosis permeate or other properly pretreated low-conductivity water as feed.<\/p>\n\n<\/div>\n<\/div>\n

      \n

      What industries use EDI systems?<\/h3>\n
      \n\n

      EDI is widely used in pharmaceuticals, power generation, electronics, laboratories, fine chemicals, and other industries requiring high-purity water.<\/p>\n\n<\/div>\n<\/div>\n

      \n

      Can EDI be integrated with RO?<\/h3>\n
      \n\n

      Yes. EDI is commonly integrated with reverse osmosis systems to create a complete high-purity water treatment line.<\/p>\n\n<\/div>\n<\/div>\n

      \n

      Can the system be fully automatic?<\/h3>\n
      \n\n

      Yes. We can provide manual, semi-automatic, or fully automatic PLC-controlled EDI systems.<\/p>\n\n<\/div>\n<\/div>\n

      \n

      Can you provide a complete RO + EDI water treatment system?<\/h3>\n
      \n\n

      Yes. We can provide a complete system including pretreatment, RO, EDI, storage, UV, and final polishing options.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

      Electrodeionization (EDI) systems produce high-purity water by continuously removing ionized impurities after reverse osmosis. They are ideal for pharmaceuticals, power plants, electronics, laboratories, and industrial processes requiring stable ultrapure water quality<\/p>","protected":false},"featured_media":1372,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[22,27],"product_tag":[152,154,153],"class_list":["post-286","product","type-product","status-publish","has-post-thumbnail","product_cat-industrial-ro-systems","product_cat-ro-edi-water-treatment","product_tag-electrodeionization-edi-system","product_tag-high-purity-water-edi-unit","product_tag-ro-edi-water-treatment-system","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/product\/286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/product\/286\/revisions"}],"predecessor-version":[{"id":1357,"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/product\/286\/revisions\/1357"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/media\/1372"}],"wp:attachment":[{"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/media?parent=286"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/product_brand?post=286"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/product_cat?post=286"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/industrial-water-treatment.com\/fr\/wp-json\/wp\/v2\/product_tag?post=286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}