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Printing and dyeing wastewater: a wastewater project in a printing and dyeing industrial park in Zhejiang

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Printing and dyeing wastewater: a wastewater project in a printing and dyeing industrial park in Zhejiang

2024-08-01

The project is designed to treat 15,000 m³/d of water. It uses 27 sets of LGJ1E3 - 2000×52 submerged ultrafiltration membrane boxes. The membrane material is PVDF composite membrane. There are 3 membrane pools in total, each with 9 membrane boxes, and the total membrane area is 43,524 square meters.

Project Overview:

Treatment scale: 15,000 m³/d

Raw water type: 70% printing and dyeing wastewater, 30% domestic wastewater

Operation mode: 8 min operation + 2 min aeration

Treatment process: raw water - medium screen - fine screen - cyclone sand settling tank - regulating tank - coagulation sedimentation tank - A2/O - MBR - sub-sodium disinfection tank

Purpose: Discharge up to standard

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