煤气化污水处理技术现状与展望  

Current status and prospects of treatment technologies of coal gasification wastewater

作　　者：邹琦 吴长江[1] 栾金义[1] ZOU Qi;WU Changjiang;LUAN Jinyi(Sinopec Beijing Research Institute of Chemical Industry,Beijing 100013,China)

机构地区：[1]中国石油化工股份有限公司北京化工研究院,北京100013

出　　处：《化工环保》2022年第4期377-385,共9页Environmental Protection of Chemical Industry

摘　　要：煤气化污水组成复杂,浓度高,难降解。介绍了国内主流煤气化技术和工艺特点,分析了煤气化污水的来源、主要污染物和水质特征,综述了国内外近年来煤气化污水处理技术在预处理、达标排放、污水回用及“零排放”等方面的研究进展和应用情况,指出涵盖物理、生物、化学氧化等组合技术的全过程优化是煤气化污水处理技术的发展趋势。Coal gasification wastewater has complex composition,high concentration and is difficult to be degraded.This paper introduces the domestic mainstream coal gasification technologies and the process characteristics,analyzes the sources,main pollutants and water quality characteristics of coal gasification wastewater.The research progresses and applications of coal gasification wastewater treatment technologies in recent years at home and abroad are summarized in aspect of pretreatment,up-to-standard discharge,wastewater reuse and“zero discharge”.It is pointed out that the development trend of coal gasification wastewater treatment technology is the whole process optimization covering physical,biological,chemical oxidation and other combined technologies.

关 键 词：煤气化污水 污水预处理 生化处理工艺 深度处理工艺 污水回用 “零排放” 

分 类 号：X703[环境科学与工程—环境工程]