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Shandong Chemical Plant Ultrapure Water Project | 500 m³/h Treatment System

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Project Overview

The raw water first undergoes pretreatment to remove most suspended solids and colloidal impurities. It is then treated by the reverse osmosis system for desalination. The RO concentrate is subsequently recovered and reused to improve water utilization and reduce wastewater discharge.

Product Water Quality Standard

ParameterSecondary-Grade WaterProduction Water
pH Range (25°C)5.0–7.5
Conductivity (25°C)≤20 mS/m≤0.1 mS/m
Oxidizable Matter (as O)≤0.08 mg/L≤0.4 mg/L
Absorbance (254 nm, 1 cm Path Length)≤0.01
Evaporation Residue (105°C ± 2°C)≤1.0 mg/L≤2.0 mg/L
Soluble Silica (as SiO₂)≤0.02 mg/L

Treatment Process

Multimedia Filtration + UF (Ultrafiltration) System → RO (Reverse Osmosis) System → EDI (Electrodeionization) System


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