EDI Ultrapure Water Systems
Electrodeionization modules for continuous ultrapure water polishing
Overview
JIE NENG's EDI systems are built around stacked electrodeionization modules mounted on a stainless steel frame, fed by RO permeate, and monitored through a local control cabinet that displays inlet conductivity, inlet pH and product resistivity.
Because EDI operates continuously using an applied electric field rather than chemical regeneration, it is positioned as the final polishing stage after RO in ultrapure water trains for electronics, pharmaceutical and laboratory-grade water applications.
The control cabinet integrates power supplies for each EDI module bank along with local switches for inlet valve, booster pump and module power, allowing operators to monitor and control the polishing stage from a single panel.
Key Features
- Continuous electrodeionization without acid/caustic regeneration
- Stainless steel frame with stacked EDI module banks
- Local control cabinet with conductivity, pH and resistivity displays
- Individual power supply and switch per module bank
- Designed to follow RO permeate as final polishing stage
Typical Applications
- Ultrapure water for electronics manufacturing
- Pharmaceutical and laboratory water
- Boiler feedwater final polishing
- Power plant makeup water treatment
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