汽车工业废水处理及回用工程实例  被引量:5

Case study on the treatment and recycle of wastewater from automobile industry

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作  者:董建威[1] 司马卫平[1] 

机构地区:[1]四川理工学院建筑工程学院,四川自贡643000

出  处:《工业水处理》2015年第8期97-100,共4页Industrial Water Treatment

摘  要:汽车制造企业排放的机械加工废水具有有机物成分复杂、矿物油浓度较高且具有一定毒性等特点,采用气浮—混凝沉淀—生物法—反渗透工艺进行深度处理后部分回用。工程实践表明:当进水COD为1 000 mg/L左右时,在系统维持相对稳定的情况下,反渗透产水可满足企业生产工艺用水水质要求,而反渗透浓水达到了《污水综合排放标准》(GB 8978—1996)三级标准。The wastewater discharged from automobile industry are characterized by complicated components, high concentration of mineral oil and toxicity. After the combined process, air flotation-coagulation-biological process- reverse osmosis,has been used for the advanced treatment of it, this wastewater can be recycled partly. The practice results show that when the influent COD is about 1 000 the reverse osmosis produced water can meet the water mg/L and the system condition maintains relatively stable, quality requirements for the recycle in production, and the condensed water from RO system can meet the third class criteria specified in the Integrated Wastewater Discharge Standard (GB 8978--1996).

关 键 词:汽车工业废水 气浮 混凝沉淀 生物处理 反渗透 回用 

分 类 号:X703.1[环境科学与工程—环境工程]

 

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