Process description of ultrapure water equipment for preparing electroplating industry

Process flow for preparing ultrapure water for electroplating industry

The process of preparing super water in the electroplating industry can be roughly divided into the following categories:

1. Using ion exchange method, the process is as follows:
Raw water → raw water pressure pumpmulti-media filteractivated carbon filterwater softener precision filter → cation resin filter bed → anion resin filter bed → anion and yang resin mixed bed → microporous filter → water point

2. Two-stage reverse osmosis method is adopted, and the process is as follows:
Raw water → raw water pressure pumpmulti-media filteractivated carbon filterwater softener → precision filter → first-stage reverse osmosis → PH adjustment → intermediate water tank → second-stage reverse osmosis (the surface of the reverse osmosis membrane is positively charged) → Purified water tank → pure water pump → microporous filter → water point

3. The EDI method is adopted, and the process is as follows:
Raw water → raw water pressure pumpmulti-media filteractivated carbon filterwater softener → precision filter → primary reverse osmosis machine → intermediate water tank → intermediate water pump → EDI system → microporous filter → water point

EDI module CP-3600S unit

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