SBR法处理煤化工废水中石油烃类的试验研究_韩洪军
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2019-03-21 21:54:32
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SBR法处理煤化工废水中石油烃类的试验研究_韩洪军给水排水Vol.38No.2201257SBR法处理煤化工废水中石油烃类的试验研究韩洪军周飞祥刘音颂李志远(哈尔滨工业大学市政环境工程学院,哈尔滨150090)摘要采用序批式(SBR)活性污泥法处理煤化工废水。通过分析不同周期、进水浓度、pH、温度、DO与处理效果之间的关系,确定了SBR法处理煤化工废水的的最佳运行参数。试验结果表明,在SBR处理周期为24h的条件下,进水CODCr为1200~1400mg/L,石油烃类为50~70mg/L,pH为6.8~7.1,DO为3.5mg/L左右,温度约为25℃时,该工艺对CODCr和石油烃类去除效果较好,去除率分别为85%和76%。该工艺具有投资少、操作简单、运行费用低等特点。关键词SBR煤化工废水石油烃类运行参数ExperimentalstudyofoilhydrocarbonsincoalchemicalwastewaterbySBRprocessHanHongjun,ZhouFeixiang,LiuYinsong,LiZhiyuan(SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China)Abstract:Thesequencingbatchreactor(SBR)wasusedforcoalchemicalwastewatertreatment.Byanalyzingtherelationshipbetweendifferentcycle,influentconcentration,pH,temperature,dissolvedoxygen(DO),andperformance,theoptimaloperationparametersofSBRtotreatcoalchemicalwastewaterweredetermined.Theexperimentresultsshowed:undertheconditionof24hSBRtreatmentcycle,influentCODCrwas1200to1400mg/L,oilhydrocarbons50to70mg/L,pH6.8to7.1,DO3.5mg/L,andtemperatu
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