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Pure water knowledge

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Process flow of pure water equipment and purified water equipment

Release date: November 26, 2019 23:36:29

The process flow of ultra pure water equipment is as follows:
1. Pretreatment system → reverse osmosis system → intermediate water tank → coarse mixing bed → fine mixing bed → pure water tank → pure water pump → ultraviolet sterilizer → polishing mixed bed → precision filter → water object (≥ 18m Ω· cm) (traditional process).
2. Pretreatment → reverse osmosis → intermediate water tank → water pump → EDI device → purified water tank → pure water pump → ultraviolet sterilizer → polishing mixed bed → 0.2 or 0.5 μ m precision filter → water object (≥ 18m Ω· cm) (the latest process).
3. Pretreatment → primary reverse osmosis → dosing machine (pH regulation) → intermediate water tank → second stage reverse osmosis (positive charge reverse osmosis membrane) → pure water tank → pure water pump → EDI device → ultraviolet sterilizer → 0.2 or 0.5 μ m precision filter → water object (≥ 17m Ω. Cm) (the latest process).
4. Pretreatment → reverse osmosis → intermediate water tank → water pump → EDI device → pure water tank → pure water pump → ultraviolet sterilizer → 0.2 or 0.5 μ m precision filter → water object (≥ 15m Ω. Cm) (the latest process).
5. Pretreatment system → reverse osmosis system → intermediate water tank → pure water pump → coarse mixing bed → fine mixing bed → ultraviolet sterilizer → precision filter → water object (≥ 15m Ω· cm) (traditional process).
The process flow of pure water equipment is as follows:
1. The method of ion exchange is adopted
Raw water → raw water pressure pump → multi-media filter → activated carbon filter → water softener → precision filter → cation resin filter bed → anion resin filter bed → anion and cation resin mixed bed → microporous filter → water consumption point
2. Two stage reverse osmosis is adopted
Raw water → raw water pressure pump → multi-media filter → activated carbon filter → water softener → precision filter → first stage reverse osmosis → pH regulation → intermediate water tank → second stage reverse osmosis (reverse osmosis membrane surface with positive charge) → purified water tank → pure water pump → microporous filter → water consumption point
3. EDI mode is adopted
Raw water → raw water booster pump → multi-media filter → activated carbon filter → water softener → precision filter → primary reverse osmosis machine → intermediate water tank → intermediate water pump → EDI system → microporous filter → water consumption point