Fenton流化床-MBBR-强化絮凝工艺深度处理制革废水的中试
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2020-04-05 17:53:08
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净水技术2017,36(8):67—71,79WaterPurificationTechnology陈华东,刘强,苏强,等.Fenton流化床一MBBR一强化絮凝工艺深度处理制革废水的中试[J].净水技术,2017,36(8):67-71,79.ChenHuadong,LiuQiang,SuQiang,eta1.PilottestofadvancedtreatmentfortannerywastewaterbyFentonfluidizedbed—MBBR—enhancedflocculationprocesses[J].WaterPurificationTechnology,2017,36(8):67—71,79.Fenton流化床一MBBR一强化絮凝工艺深度处理制革废水的中试陈华东,刘强,苏强,黄丽珠,张粲(山东省环科院环境工程有限公司,山东济南250013)摘要采用Fenton流化床一移动床生物膜反应器(MBBR)一强化絮凝组合工艺深度处理河北省某制革园区污水处理厂的一级生化出水。采用小试试验确定Fenton药剂最佳投加量为:FeSO500mg/L,H:O:250mg/L,初始pH值为4~5。在Fenton最佳运行条件下,MBBR停留时间为43.2h,强化絮凝剂投加量为:自适应13电位絮凝剂50mg/L,聚合硫酸铁50mg/L。中试系统对COD和氨氮的去除率分别可达71.5%和98.7%,出水COD和氨氮平均值分别为90mg/L和4.4mg/L,出水色度小于30,能够稳定达到当地政府规定的排放标准。关键词制革废水Fenton流化床移动床生物膜反应器强化絮凝深度处理中图分类号:TU992.3文献标识码:A文章编号:1009—0177(2017)08—0067—06DoI:10.15890/j.cnki.jsjs.2017.08.012PilOtTestofAdvancedTreatmentforTanneryWastewaterbyFentonFluidizedBed—M口E|BR—EnhancedFlocculationProcessesChenHuadong,LiuQiang。SuQiang,HuangLizhu,ZhangShen(EnvironmentalEngineeringCo.,Ltd.,ofShandongAcademyofEnvironmentalScience,Jinan250013,China)AbstractAprocesscombinedofFentonfluidizedbed,movingbedbiofilmreactor(MBBR)andenhancedflocculationwasappliedinadvancedtreatmentofprimarybiochemicalefluentfromatannerywastewatertreatmentplantinHebeiprovince.TheresultsshowedthatthebestconditionswereFeSO4dosageof500mg/L,H2O2dosageof250mg/LandpHvalueof4~5.OntheoptimumconditionsofFentonreactionaswellasMBBR’SHRTof43.2h,enhancedflocculati0ndosagewereself-adaption13一potentialflocculationof50mg/LandPFs0f50mg/L.TheremovaleficiencyofCODandammonianitrogenbypilot—scaleprocesswere71.5%and98.7%.respectively.TheefluentmetthelocalstandardwithaverageCODcof90mg/L,ammonianitrogenof4.4mg/Landchromaticitycolorlessthan30.KeywordstannerywastewaterFentonfluidizedbedmovingbedbiofilmreactor(MBBR)enhancedflocculationadvancedtreatment制革废水成分复杂,有机物、氨氮、悬浮物、味臭、色度、无机盐等污染物含量大,而且含有重金属离子和[收稿日期][作者简介】[本文编辑]2016—-03—‘03陈华东(1979一),男,高级工程师,注册公用设备工程师(给水排水),主要从事污水处理技术的应用研究和工程设计工作,E—mail:chenhuadong79@126.com。李佳佳硫化物等有毒物质。传统的物化与生化手段可大幅度降低制革废水中污染物浓度,但出水中
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