Standard No.:	DL/T 997-2006
English Name:	Discharge standard of wastewater from limestone-gypsum flue gas desulfurization system in fossil fuel power plants
Chinese Name:	火电厂石灰石-石膏湿法脱硫废水水质控制指标
Chinese Classification:	Z23    Analysis methods for industrial wastewater and pollutants
Professional Classification:	DL    Professional Standard - Electricity
ICS Classification:	13.060.01 13.060.01    Water quality in general 13.060.01
Issued on:	2006-5-6
Implemented on:	2006-10-1
Status:	superseded
Superseded by:	DL/T 997-2020 Water quality control standard of wastewater from limestone-gypsum wet flue gas desulfurization system in coal-fired power plants
Superseded on:	2021-2-1
Abolished on:	2021-02-01
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	60.0
Delivery:	via email in 1~3 business day

本标准根据《国家发展改革委办公厅关于下达2003年行业标准项目补充计划的通知》（发改办公业[2003]873号文）的要求制定的。 石灰石-石膏湿法脱硫技术因为具有脱硫效率高的优点，目前在火电厂的应用越来越广，但湿法脱硫在是生产过程中会产生一定量的废水，即脱硫废水。脱硫废水中含有许多对环境污染性较强的成分，必须进行处理，否则将对环境产生二次污染。脱硫废水的水质比较特殊，国内现行的相关废水水质标准不能完全使、适用于脱硫废水，特指定本标准。