Electrodeionization (EDI) is a continuous, chemical-free process of removing ionized and ionizable species from feedwater using DC power. EDI is typically used to polish reverse osmosis (RO) permeate, and is a smart alternative to — and effective replacement of — conventional mixed bed ion exchange. EDI system possible use only after RO system, inlet water for EDI need not more, than 5-7 PPM. Usually need use next equipments : – delivery pump – prefilters before RO systems – antiscalant dosing system – RO system, may be Double Level RO system with output pure water < 5-7 PPM - EDI system EDI system change Mix bed resin system for deep cleaning water after RO system, water with TDS < 0,1-0,5 PPM. This water need for for pharmaceutical industry, chemical industry, perfume industry, scientific research, medicine and other industries.
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