Electrodeionization (EDI) is a continuous, chemical-free process of removing ionized and ionizable species from feedwater using DC power to provide ultrapure water for the pharmaceutical and biotechnology industries. EDI is typically used to polish reverse osmosis (RO) permeate at recovery rate above 90%, the EDI permeate Resistivity can be around 17.52 Ω (omega), and is a smart alternative to — and effective replacement of — conventional mixed bed ion exchange (IX)
EDI module EDI System output water quality: water resistivity: 15—18MΩ .cm
PH:6.5—7.5
Silica (SiO 2 ): 3-20ppb
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