(气浮_UMBR工艺处理回用机械加工废水

11031408433500001(气浮_UMBR工艺处理回用机械加工废水)[1]-4ad827efe009581b6bd9eba056�给水排水�Vol.36�No.9�2010�工业给排水�气浮UMBR工艺处理回用机械加工废水林方敏�李鑫华(环境保护部华南环境科学研究所,广州�510655)��摘要�采用气浮UMBR工艺处理机械加工废水,运行结果表明该工艺处理效果稳定,在进水CODCr726~761mg/L、LAS44~58mg/L、SS334~379mg/L,色度863~875倍时,系统对CODCr、LAS、SS和色度的去除率分别为94�5%、99�4%、98�6%和98%,出水达到回用水标准。关键词�机械加工废水�气浮�UMBRAirflotationUMBRprocessformechanicalprocessingwastewaterreclamationtreatmentLinFangmin,LiXinhua(SouthChinaInstituteofEnvironmentalSciences,Guangzhou510655,China)Abstract:Theapplicationofairflotation�UMBRprocessinmechanicalprocessingwastewatertreatmentwasintroduced.Theoperationresultsshowedtheprocesssystemeffectwasstable.WhentheaverageinfluentCODCrwas726~761mg/L,LASwas44~58mg/L,SSwas334~379mg/Landcoloritywas863~875times,theremovalrateofCODCr,LAS,SSandcoloritycouldreach94.5%,99.4%,98.6%and98%respectively,andtheeffluentcouldsatisfytherecyclingwaterstandards.Keywords:Mechanicalprocessingwastewater;Airflotation;UMBR1�工程概况广州某企业主要生产高速精密注塑机设备。生产过程包括机加工、前处理、喷塑喷漆以及装配、试机等。废水来源主要为喷