官地水电站竹子坝砂石加工废水处理实例
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2019-03-30 11:34:30
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官地水电站竹子坝砂石加工废水处理实例书官地水电站竹子坝砂石加工废水处理实例李伟民,王启栋,王涛,孙剑锋(重庆大学三峡库区生态环境教育部重点实验室,重庆400045)摘要:竹子坝砂石加工系统生产废水SS浓度高,采用细砂回收/絮凝多级沉淀工艺处理,运行结果表明,出水SS平均浓度仅为37mg/L,去除率高达99.94%,处理出水水质达到《污水综合排放标准》(GB8978—1996)的一级标准,达标尾水基本实现回用。关键词:砂石加工废水;悬浮物;细砂回收;絮凝多级沉淀工艺;回用中图分类号:X703.1文献标识码:C文章编号:1000-4602(2010)20-0119-03TreatmentofWastewaterfromZhuzibaArtificialAggregateProcessingSystemofGuandiHydropowerStationLIWeimin,WANGQidong,WANGTao,SUNJianfeng(KeyLaboratoryofThreeGorgesReservoirRegion’sEcoEnvironment<MinistryofEducation>,ChongqingUniversity,Chongqing400045,China)Abstract:Thecombinedprocessoffinesandrecovery,flocculationandmultilevelsedimentationwasadoptedtotreatthewastewaterwithhighSSconcentrationproducedbyZhuzibaartificialaggregateprocessingsystem.TheoperationresultsshowthattheaverageSSconcentrationintheeffluentis37mg/L,andtheremovalrateis99.94%.TheeffluentqualitycanreachthefirstcriteriaspecifiedinIntegratedWastewaterDischargeStandard(GB8978-1996),anditcanbereused.Keywords:wastewaterfromartificialaggregatepro
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