Analysis and standardization of coal chemical wastewater treatment and reuse systems

Q1 Environmental Science

Water Cycle Pub Date : 2024-01-01 DOI:10.1016/j.watcyc.2024.05.001

Jialin Liu , Xue Bai , Yan Bai

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Abstract

To meet the practical needs of classified collection, graded treatment, and quality recycling of coal chemical wastewater, and in accordance with the standardization requirements of wastewater resource utilization, the Standardization Administration of China released the national standard GB/T 42,866-2023 ″Guidelines for Coal Chemical Wastewater Treatment and Recycling Technology” on August 6, 2023, for the first time. Based on the standard, this paper comprehensively and systematically sorts out and analyzes the characteristics, processes, water circulation systems, and standardization paths of units such as coal chemical wastewater collection and treatment, recycling, and the treatment of concentrated brine water, through extensive industry research. Furthermore, by integrating typical engineering case practices, this paper explains the feasibility of the paths, which provides technical guidance and experience for relevant cases of coal chemical wastewater treatment and recycling. It is also of great importance for promoting the standardized management and development of coal chemical wastewater treatment and recycling worldwide.

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煤化工废水处理和回用系统的分析与标准化

为满足煤化工废水分类收集、分级处理、分质循环利用的实际需要，按照废水资源化利用的标准化要求，国家标准化管理委员会于2023年8月6日首次发布了国家标准GB/T 42,866-2023《煤化工废水处理及循环利用技术导则》。本文以该标准为基础，通过广泛的行业调研，全面系统地梳理和分析了煤化工废水收集处理、循环利用、浓盐水处理等单元的特点、工艺流程、水循环系统和标准化路径。此外，本文结合典型工程案例实践，阐述了路径的可行性，为煤化工废水处理与循环利用的相关案例提供了技术指导和经验借鉴。同时，对促进世界范围内煤化工废水处理与循环利用的规范化管理和发展也具有重要意义。

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