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Detailed Buying Lead Description
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Electrodeionisationor EDI, is a continuous and chemical-free process of removing ionizedand ionizable species from the feed water using DC power. EDI istypically used to polish reverse osmosis (RO) permeate and to replaceconventional mixed bed ion exchange, which eliminates the need to storeand handle hazardous chemicals used for resin regeneration andassociated waste neutralization requirements. | ||
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| TheShivam EDI module utilizes a unique, leak free, low maintenance spiralwound design containing membrane (see below) and ion exchange resins,sealed in a high-strength fiberglass reinforced plastic (FRP) pressurevessel. Shivam EDI modules optimize performance, maintain continuousproduct quality and can produce up to 18 M -cm high-purity water withhigh silica and boron rejection. | ||
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OurContinuous electrodeionisation modules utilize ion exchange resinsprimarily as a bridge to allow electric current to pass through theelectrodeionisation cell. This allows us to operate the modules withoutany brine injection or concentrate recycle. Additionally, the ionexchange resins are used to 'polish' the purified water stream byremoving minute quantities of silica, carbon dioxide and othercontaminants. The ion exchange resins are continually being regeneratedby the dissociated hydrogen and hydroxyl ions that have been created bythe electric current. Electrodeionization utilizes no chemicalregenerants and creates no hazardous wastes. | ||
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EDIis useful for any application that requires constant and economicremoval of water impurities without using dangerous chemical. Someexamples are:
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