好氧颗粒污泥处理含盐有机废水_李志华
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2019-08-23 08:09:51
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Studyonthetreatmentofsalt-bearingorganicwastewaterbyusingaerobicgranularsludgeLiZhihua,WangLidong,WangXiaochang,GuoJingge(SchoolofEnvironmentalandMunicipalEngineering,Xi’anUniversityofArchitectureandTechnology,Xi’an710055,China)好氧颗粒污泥处理含盐有机废水李志华,王立东,王晓昌,郭静歌(西安建筑科技大学环境与市政工程学院,陕西西安710055)[摘要]针对普通生物处理法处理含盐有机废水效率低的现状,探索了好氧颗粒污泥法处理含盐有机废水的颗粒污泥形成特性。研究发现,高含盐量有助于提高颗粒的沉降性能和密实性,但含盐量越高,出水中NH3-N和SS也较高;通过驯化,好氧颗粒污泥中的微生物在含盐量为2.5%时仍能保持较高的生物活性,并维持较长时期的稳定性,但当含盐量增加到5%时开始有丝状菌出现并逐渐成为优势菌群。[关键词]好氧颗粒污泥;沉降性能;比耗氧速率[中图分类号]X703.1[文献标识码]B[文章编号]1005-829X(2008)11-0018-03Abstract:Theconventionalactivatedsludgeisnoteffectiveonthetreatmentofsalt-bearingorganicwastewater.Theaerobicgranularsludgehasbeeninvestigatedinthisstudy.Itisfoundthathighsalinityisgoodforraisingtheset-tlingcapabilityandcompactstructureofthegranules.Thehigherthesalt-contentis,thehighereffluentwaterSSandNH3-Nare.Themicroorganismsoftheaerobicgranularsludgecouldmaintainhighbioactivityandthusalongstableperiodisobtained,aftertheacclimationunderthecondition
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