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Printing and dyeing rinse water reuse system

Printing and dyeing rinse water reuse system

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  • Time:2025-10-14
  • Overview

Water reuse project case 1

Project name: printing and dyeing rinse water reuse

Processing capacity: 250m3/day

Project Overview: A fabric printing and dyeing enterprise is located in the printing and dyeing industrial park, with a total wastewater of 600m3/day, all of which are discharged to the sewage station in the industrial park for unified charge. Wastewater source: fabric pre-cleaning, high-temperature dyeing and finishing, desizing, rinsing, etc. Among them, the pre-cleaning and rinsing water in the front channel accounts for about 250m3, and the water quality is good. The reuse water system treats this part of the water and reuses it for pre-cleaning and one, two and three rinsing processes, and can reuse 200m3/day.


Reuse processes

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Water quality data

projectCODPHSSTurbidityColor
Before processing≤9545085≤52≤60≤53
After processing≤5045085    ----≤5≤10

 

Income statement

The total treatment volume is 250m3/d, and the reuse volume is 200m3/d

Before reuseAfter reuse
Discharge volume250m3/d50m3/d
Pollution Fee (10 yuan/m3)2500500
Water supply cost (4 yuan/m3)1000200
Operating costs (pharmaceutical + power consumption)0575 (2.3 yuan/m3)
Total revenue2225 yuan/day


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