好氧序批式MBR 处理高浓氨氮废水
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2019-05-05 00:57:32
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好氧序批式MBR 处理高浓氨氮废水第21卷第3期2005年3月中国给水排水CHINAWATER&WASTEWATERVo1.21No.3Mar.2Oo5好氧序批式MBR处理高浓氨氮废水杨宗政,顾平,刘静文(天津大学环境科学与工程学院,天津300072)摘要:采用好氧序批式膜生物反应器(SMBR)处理高浓度氨氮废水,考察了对NH4+一N和COD的去除效果、影响硝化效果的因素以及混合液中残留COD与膜通量的关系。结果表明:在HRT为4.7h、SRT为30d、气水比为100:l、pH值为7.0~8.0、进水COD平均值为142.8mg/L的条件下,当进水氨氮高达800mg/L时出水氨氮值仍能稳定在10mg/L以下,出水COD平均值为31.3mg/L。关键词:序批式膜生物反应器;高浓度氨氮废水;硝化反应;膜比通量中图分类号:X703.1文献标识码:c文章编号:1000—4602(2005)03—0053—04AerobicSequencingMBRforTreatmentofHighConcentrationAmmoniaNitrogenWastewaterYANGZong—zheng,GUPing,LIUJing—wen(SchoolofEnvironmentalScienceandEngineering,TianjinUniversity,Tianjin300072,China)Abstract:AerobicsequencingMBRwasusedfortreatmentofhighconcentrationammonianitrogenwastewatertoinvestigateNH4+一NandCODremovaleffect,factorsaffectingnitrificationefect,andtherelationbetweenresidualCODinmixedliquorandmembraneflux.Theresultshowsthatunderthecondi—tionsofHRT4.7h,SRT30d,air-waterratio100:1,pH7.0—8、0,andaverageinfluentCODvalue142、8mg/L,wheninfluentammonianitrogenisashighas800mg/L,theeffluent
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