RESEARCH AND AN ENGINEERING DEMONSTRATION OF SLUDGE DEWATERING TECHNOLOGY FOR DYEING INDUSTRY

ZHANG Hua; YANG Xue-feng; GU Chao-yang; SUN Zhi-chao; ZHAO Guang-jun; XUE Fang-qin

doi:10.13205/j.hjgc.202011025

Volume 38 Issue 11

Apr. 2021

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(11): 152-156

ZHANG Hua, YANG Xue-feng, GU Chao-yang, SUN Zhi-chao, ZHAO Guang-jun, XUE Fang-qin. RESEARCH AND AN ENGINEERING DEMONSTRATION OF SLUDGE DEWATERING TECHNOLOGY FOR DYEING INDUSTRY[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(11): 152-156. doi: 10.13205/j.hjgc.202011025

Citation:

ZHANG Hua, YANG Xue-feng, GU Chao-yang, SUN Zhi-chao, ZHAO Guang-jun, XUE Fang-qin. RESEARCH AND AN ENGINEERING DEMONSTRATION OF SLUDGE DEWATERING TECHNOLOGY FOR DYEING INDUSTRY[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(11): 152-156. doi: 10.13205/j.hjgc.202011025

Citation:

ZHANG Hua, YANG Xue-feng, GU Chao-yang, SUN Zhi-chao, ZHAO Guang-jun, XUE Fang-qin. RESEARCH AND AN ENGINEERING DEMONSTRATION OF SLUDGE DEWATERING TECHNOLOGY FOR DYEING INDUSTRY[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(11): 152-156. doi: 10.13205/j.hjgc.202011025

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RESEARCH AND AN ENGINEERING DEMONSTRATION OF SLUDGE DEWATERING TECHNOLOGY FOR DYEING INDUSTRY

doi: 10.13205/j.hjgc.202011025

1. CRRC Tangshan Co., Ltd, Tangshan 064000, China;
2. Beijing Guohuan Tsinghua Environmental Engineering Design and Research Institute Co., Ltd, Beijing 100084, China

Received Date: 2019-09-12
Available Online: 2021-04-23
Publish Date: 2021-04-23

Abstract

Abstract

Dyeing industry is a traditional labor-intensive industry and with high water-consuming. In China, the dyeing industry is concentrated in Zhejiang and Jiangsu province. Based on the conventional plate-and-frame pressure filtration technology, the sludge of a dyeing industrial park in Wuxi, Jiangsu Province was studied experimentally. According to the research results, a 40 t/d demonstration project of sludge dewatering by high-pressure plate-and-frame pressure filtration was built. All the sludge of the dyeing industrial park were centralized treated and filtered. Sludge water content was less than 60%, which was subsequently sent to coal-fired power plant as the raw material to achieve the purpose of sludge reduction and heat resource recycling. At the same time, the wastewater after pressure filtration process was discharged to the wastewater treatment plant after coagulation sedimentation and three dimensional electrocatalysis, without secondary pollution.
- dyeing industry,
- sludge,
- plate pressure filtration,
- high pressure diaphragm

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References

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