UASB_MBR组合工艺处理模拟黄连素废水_邱光磊
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2020-02-24 12:04:11
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第23卷第7期2010年7月环境科学研究ResearchofEnvironmentalSciencesVol.23,No.7July,2010UASB-MBR组合工艺处理模拟黄连素废水邱光磊1,2,宋永会1,2*,曾萍1,段亮1,肖书虎1,郭晓春3,王欣31.中国环境科学研究院城市水环境研究室,北京1000122.北京师范大学水科学研究院,北京1008753.东北制药总厂,辽宁沈阳110026摘要:采用升流式厌氧污泥床-膜生物反应器(UASB-MBR)组合工艺处理模拟黄连素废水,模拟废水中有机污染物由葡萄糖和黄连素配制,以葡萄糖作为初级能源物质,通过微生物协同降解作用去除废水中的黄连素.在水力停留时间(HRT)为24h,进水ρ(CODCr),ρ(NH4+-N)和ρ(黄连素)分别为1717~4393,91.8~158.7和64.4~276.8mg/L,废水中黄连素的ρ(CODCr)贡献率为7.5%~25.0%的条件下,组合工艺可实现ρ(CODCr),ρ(NH4+-N)和ρ(黄连素)的去除率分别为92.5%~95.9%,67.0%~98.9%和99%以上,废水中黄连素主要通过UASB去除,去除率为95.2%~98.9%.在进水CODCr负荷为0.54~1.88kg/(m3·d),黄连素负荷为0.71~12.42g/(m3·d)的条件下,MBR可保证出水ρ(CODCr),ρ(黄连素)和ρ(NH4+-N)分别低于50,1.0和2.0mg/L;随着MBR进水ρ(黄连素)升至3.45~12.42mg/L,在黄连素的微生物毒性胁迫作用下,MBR中污泥呈由分散态向聚集态的转变.关键词:化学合成类制药废水;黄连素;升流式厌氧污泥床(UASB);膜生物反应器(MBR);UASB-MBR组合工艺中图分类号:X703文献标志码:A文章编号:1001-6929(2010)07-0942-06TreatmentofSyntheticBerberineWastewaterinaHybridUpflowAnaerobicSludgeBlanketReactor(UASB)-MembraneBioreactor(MBR)SystemQIUGuang-lei1,2,SONGYong-hui1,2,ZENGPing1,DUANLiang1,XIAOShu-hu1,GUOXiao-chun3,WANGXin31.SectionofUrbanWaterEnvironmentalResearch,ChineseResearchAcademyofEnvironmentalSciences,Beijing100012,China2.CollegeofWaterScience,BeijingNormalUniversity,Beijing100875,China3.NortheastPharmaceuticalGroup,Shenyang110026,ChinaAbstract:Theperformanceofahybridupflowanaerobicsludgeblanketreactor(UASB)-membranebioreactor(MBR)systemforberberinewastewatertreatmentwasinvestigated.Thecarbonsourcewasamixtureofberberinehydrochloricandglucose.Theberberinehydrochloricinthewastewaterwasremovedthroughsynergisticbiodegradationwithglucoseastheprimaryenergysource.Fordifferentberberinehydrochloricproportionsfrom7.5%to25.0%shareofallρ(CODCr),HRTwas24h,theinfluentρ(CODCr),ρ(NH4+-N)andρ(berberinehydrochloric)were1717-4393,91.8-158.7and64.4-276.8mg/L,respectively;theoverallremovalefficiencyofthesystemwas92.5%-95.9%forρ(CODCr),67.0%-98.9%forρ(NH4+-N)andmorethan99%forρ(berberinehydrochloric).MostberberinehydrochloricwasremovedinUASBwiththeremovalrateof95.2%-98.9%.Atorganicloadratesfrom0.54to1.88kgCODCr/(m3·
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