RECOMMENDATIONS ON INTEGRATION AND OPTIMIZATION OF NEAR-ZERO DISCHARGE TECHNOLOGY FOR WASTEWATER FROM MODERN COAL CHEMICAL INDUSTRY

ZHANG Wen; LIN Chang-xi; PENG Yong-zhen

doi:10.13205/j.hjgc.202111004

Volume 39 Issue 11

Jan. 2022

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ZHANG Wen, LIN Chang-xi, PENG Yong-zhen. RECOMMENDATIONS ON INTEGRATION AND OPTIMIZATION OF NEAR-ZERO DISCHARGE TECHNOLOGY FOR WASTEWATER FROM MODERN COAL CHEMICAL INDUSTRY[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(11): 41-45,109. doi: 10.13205/j.hjgc.202111004

Citation:

ZHANG Wen, LIN Chang-xi, PENG Yong-zhen. RECOMMENDATIONS ON INTEGRATION AND OPTIMIZATION OF NEAR-ZERO DISCHARGE TECHNOLOGY FOR WASTEWATER FROM MODERN COAL CHEMICAL INDUSTRY[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(11): 41-45,109. doi: 10.13205/j.hjgc.202111004

Citation:

ZHANG Wen, LIN Chang-xi, PENG Yong-zhen. RECOMMENDATIONS ON INTEGRATION AND OPTIMIZATION OF NEAR-ZERO DISCHARGE TECHNOLOGY FOR WASTEWATER FROM MODERN COAL CHEMICAL INDUSTRY[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(11): 41-45,109. doi: 10.13205/j.hjgc.202111004

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RECOMMENDATIONS ON INTEGRATION AND OPTIMIZATION OF NEAR-ZERO DISCHARGE TECHNOLOGY FOR WASTEWATER FROM MODERN COAL CHEMICAL INDUSTRY

doi: 10.13205/j.hjgc.202111004

1. National Petroleum and Chemical Planning Institute, Beijing 100013, China;
2. National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Beijing University of Technology, Beijing 100124, China

Received Date: 2021-07-23
Available Online: 2022-01-26

Abstract

Abstract

This paper introduced the development status and environmental challenges of modern coal chemical industry, and analyzed the composition and characteristics of wastewater in modern coal chemical industry. Through the classification and collection, treatment and reuse for organic wastewater and salinity wastewater, the focus of the wastewater treatment system in modern coal chemical industry has evolved from unit technology to key technology integration considering process convergence and control from the source, forming the basic technical framework of Wastewater Pretreatment-Biological Treatment-Reuse of Reclaimed Wastewater-Membrane Treatment of Salinity Wastewater-Evaporative Crystallization Treatment. At the same time, the paper analyzed the problems in the actual operation of wastewater treatment system of modern coal chemical projects, put forward solutions and optimized the integration of the technologies, further broke through the technical bottleneck of near-zero discharge for wastewater in modern coal chemical industry, reduced the economic cost of near-zero discharge, and improved the stability of operation.
- modern coal chemical industry,
- wastewater treatment,
- near-zero discharge,
- technology integration,
- optimization

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References(21)

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