摘要
湖北某精细化工企业主要产品为叔丁基肼盐酸盐和N,N'-双(2,2,6,6-四甲基-4-哌啶基)-1,3-苯二甲酰胺(TMI),其产生的废水COD和TDS浓度均达到100000 mg/L,面对如此高浓度的废水,采用常规工艺难以处理。该厂引入三效蒸发设备,大大降低废水中各类污染因子的含量,其污水站实际处理水量为115 m^(3)/d,采用“三效蒸发+Fenton+ABR+生物接触氧化”工艺进行处理。工程实践结果表明,其出水稳定达到《污水排入城镇下水道水质标准》(GB/T 31962-2015)B级标准的要求。该工程单位污水处理成本为97.97元/t,远低于作为危废处理的1600元/t。本文从水质分析、构筑物参数、运行效果和成本分析等方面详细介绍该案例,可为该类废水的处理提供重要参考。
The main products of a fine chemical enterprise in Hubei Province are tert-butylhydrazine hydrochloride and N,N'-bis(2,2,6,6-tetramethyl-4.piperidinyl)-1,3-phthalamide(TMI).The chemical oxygen demand(COD)and total dissolved solids(TDS)concentrations in the wastewater generated by the enterprise both exceed 100000 mg/L;conventional processes struggle to treat wastewater with such high concentrations.The introduction of Three-effect evaporator system equipment at the plant significantly reduced the levels of various pollutants in the wastewater.The actual water treatment capacity of the sewage treatment station is 115 m^(3)/d,and the treatment process adopted is"Three-effect evaporator system+Fenton+anaerobic baffled reactor(ABR)+biological contact oxidation".Engineering practice indicates that the effluent quality stably meets the Class B standards specified in Wastewater Quality Standards for Discharge to Municipal Sewers(GB/T 31962-2015).The unit wastewater treatment cost of the project is 97.97 yuan/t,which is far lower than the 1600 yuan/t for hazardous waste disposal.This paper details the case from aspects of water quality analysis,structural parameters,operational performance,and cost analysis,which can serve as an important reference for the treatment of such wastewater.
作者
刘顺通
邹兵
张学浩
张威
刘晋甜
戴捷
LIU Shuntong;ZOU Bing;ZHANG Xuehao;ZHANG Wei;LIU Jintian;DAI Jie(Yangtze University College of Chemistry&Environmental Engineering,Jingzhou 434022,China;Hubei Leiyuan Biotechnology Co.,Ltd.,Jingzhou 434100,China;Changqing Downhole Technical Operations Company,Chuanqing Drilling Engineering Co.,Ltd.,China National Petroleum Corporation,Xi'an 710000,China)
出处
《水处理技术》
北大核心
2026年第2期151-155,共5页
Technology of Water Treatment
基金
国家自然科学基金资助项目(21173026)
湖北省自然科学基金重点项目(2013CFA107)
荆州市科技项目(2019EC61-14)。
