谈城市杂用水的应用与《城市污水再生利用 城市杂用水水质》国家标准的修订  

Revision of The reuse of urban recycling water-Water quality standard for urban miscellaneous water consumption

作　　者：张怀宇 余琴芳 ZHANG Huaiyu;YU Qinfang(Middle&South China Institute of Municipal Engineering Design&Research,Wuhan 430010,China)

机构地区：[1]中国市政工程中南设计研究总院有限公司,武汉430010

出　　处：《给水排水》2021年第3期30-43,共14页Water & Wastewater Engineering

摘　　要：国家标准《城市污水再生利用城市杂用水水质》(GB/T 18920-2020)于2021年2月1日正式实施,这一标准是对GB/T 18921-2002的修订,贯彻和响应了国家政策,可促进循环经济和水资源的保护和有效利用。介绍了标准修订的原则和标准的核心内容,重点讨论了在国内外污水再生利用特别是城市杂用水的应用情况和相关标准的广泛文献调研基础上,对标准中水质分类、指标项目、常规指标、消毒和病原生物指标、水质监测与标识等进行修订的情况。National standard The reuse of urban recycling water-Water quality standard for urban miscellaneous water consumption(GB/T 18920-2020),which was officially implemented on February 1,2021,and a revision of GB/T 18921-2002,is implementing and responding to national policies to promote the circular economy and the protection and effective use of water resources.This paper introduces the revision principles and core contents of the standard,and focuses on the revision of water quality classification,indicator items,conventional indicators,disinfection and pathogenic biometric indicators,water quality monitoring and marking on the basis of literature research on the application of water recycling of different countries and regions,especially urban use and related standards.

关 键 词：城市杂用水 再生水水质标准 再生利用水量 冲厕用水 城市绿化用水 消毒和病原生物指标 

分 类 号：TU992[建筑科学—市政工程]