污水再生处理微滤-反渗透工艺药剂使用及费用分析
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2020-04-17 11:35:24
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中国环境科学2012,32(9):1613-1619ChinaEnvironmenta1Science污水再生处理微滤一反渗透工艺药剂使用及费用分析汤芳,孙迎雪,一,石晔。,李旭,胡洪营,(1.清华大学环境学院环境模拟与污染控制国家重点联合实验室,北京100084;2.北京工商大学化学与环境工程学院,北京100045:3.北京博大水务有限公司,E京100176:4.清华大学深圳研究生院,国家环境保护环境微生物利用与安全控制重点实验室,广东深圳518055)摘要:在微滤/超滤一反渗~(MF/UF~R0)工艺运行过程中,需要投加多种药剂,以保障反渗透系统的正常运行.系统分析了北京市某再生水厂MFRO工艺的药剂使用情况.结果表明,该MF—RO工艺投加了杀菌剂、阻垢剂、还原剂、非氧化性杀菌剂、中和剂、清洗剂等,在产水量约为7000m/d时,药剂总投加量为3347.3kg/周,每吨产水的平均耗药量为68.32g/m3.该厂每周药剂总费用约为19,120元,每吨产水的药剂成本为39.02分/t,其中阻垢剂费用占药剂成本的比例最大,达47.44%.关键词:污水再生利用;微滤一反渗透工艺:药剂:药剂投加量;药剂成本中图分类号:X703文献标识码:A文章编号:1000—6923(2012)091613-07ChemicalsconsumptionandcostanalysisofamicroFiltration—reverseosmosisprocessforwastewaterreclamation·TANGFang,SUNYing.xue,-,SHIYe’,LIXu3,HUHung.yingl,4*(1.StateKeyJointLaboratoryofEnvironmentalSimulationandPollutionControlSchoolofEnvironment,TsinghuaUniversity,Beijing100084,China:2.SchoolofChemicalandEnvironmentalEngineering,BeijingTechnologyandBusinessUniversity,Beijing100045,China;3.BeijingBodaWaterLimitedCompany,Beijing100176.China;4.StateEnvironmentalProtectionKeyLaboratoryofMicroorganismApplicationandRiskControl,GraduateSchoolatShenzhen,TsinghuaUniversity,Shenzhen518055,China).ChinaEnvironmentalScience,2012,32(9):1613~1619Abstract:Inordertoachieveagoodperformanceofareverseosmosis(R0)systemforwastewaterreclamation,manykindsofchemicalreagentsareusedinmicrofiltration(MF)/ultrafiltration(UF)一ROprocess.ThechemicalreagentsusedforaMF—ROprocessinawastewaterreclamationplantinBeijingwereevaluatedDisinfectant,antiscalant,reductant,non—oxidizingbiocides,neutralizerandcleaningreagentswereusedinthisplant.Theproductionamountofreclaimedwateroftheplantwasabout7000m/d.Thedosageoftotalreagentswas3347.3kgperweekandtheaveragedosageofreagentswas68.32gpertonpermeat.Thetotalcostofthereagentswasabout19,120RMBperweekandthecostofreagentswas0.39RMBpertonpermeat.Costofantiscalantaccountedfor47.44%ofthetotalcostofreagents.Keywords:wastewaterreclamation;microfiltration—reverseosmosisprocess;chemicalreagents:dosageofchemicalreagents:costofchemicalreag
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