机械加工行业含油乳化液废水处理研究  

A Study on the Treatment of Oil-Containing Emulsified Liquid Waste from Mechanical Processing Industry

作　　者：施豪 何航行 戚雁俊 Shi Hao;He Hangxing;Qi Yanjun(Bosch HUAYU Steering Systems Co.,Ltd.,Shanghai 201821;Shanghai Huanke Environmental Certification Co.,Ltd.,Shanghai 200233;Tongji University,Shanghai200092)

机构地区：[1]博世华域转向系统有限公司,上海201821 [2]上海环科环境认证有限公司,上海200233 [3]同济大学,上海200092

出　　处：《上海环境科学》2019年第4期160-162,共3页Shanghai Environmental Sciences

摘　　要：机械加工行业排放的乳化液废水一直是难处理污水。采用酸化、隔油、微电解、高级氧化(AOP)反应、混凝气浮高分子化学絮凝沉淀、缺氧-好氧生化、活性炭过滤吸附的组合工艺对乳化液废水处理后纳管排放效果较好,可达上海市《污水综合排放标准》(DB 31/199-2018)三级标准要求。但经该工艺处理后,废水中化学需氧量和氨氮浓度占标率均超过60%;与生活污水混合后纳管排放,化学需氧量和氨氮浓度占标率均超过65%;在实际运行过程中,应特别注意对这2项排放指标的控制。Emulsified liquid waste generated from mechanical processing industry has always been regarded as a kind of wastewater refractory to treat.Using the combination of various available processes such as acidification,oil separation,micro electrolysis,advanced oxidation processes(AOP),polymeric chemical flocculation and precipitation with coagulation and air floatation,anoxic/oxic(A/O)biochemical process,and activated carbon filtration/adsorption to treat the emulsified liquid waste could be effective in meeting the requirement for Grade III specified by Shanghai local integrated wastewater discharge standard(DB 31/199-2018).As the contents of both COD and ammonia nitrogen in the effluent could account to over 60%of the standard limits,and could be over 65%when mixed with domestic sewage and then discharged into sewerage system,a special attention should be paid to the control of those two variables in the practical operation.

关 键 词：机械加工废水 乳化液 废水处理 纳管排放 

分 类 号：X70[环境科学与工程—环境工程]