85537903114911

85537903114911微生物学通报JUN20,2008,35(6):939~943Microbiology©2008byInstituteofMicrobiology,CAStongbao@im.ac.cn*通讯作者：Tel:0371-66090980;:zhutiequn@ncwu.edu.cn收稿日期：2007-08-28;接受日期:2007-10-26专论与综述活性污泥驯化的微生物生态学原理朱铁群*李凯慧张杰(华北水利水电学院郑州450011)摘要:活性污泥是一种复杂的、具有生物多样性的微生态系统。生物多样性是活性污泥驯化的基础,驯化条件对微生物进行选择——适者生存增长,不适者被抑制或淘汰。此外,活性污泥微生物还能够通过表型适应和进化性适应主动地去适应驯化条件。活性污泥驯化的过程是微生物生态位在生态系统中重新分配和调整的过程,符合生态学“选择与适应”的原理。依据这种原理,原污泥、废水水质和处理工艺是影响活性污泥驯化的主要因素。关键词:活性污泥驯化,微生物多样性,选择与适应,影响因素MicrobialEcologyPrincipleofActivatedSludgeAcclimationZHUTie-Qun*LIKai-HuiZHANGJie(NorthChinaInstituteofWaterConservancyandHydroelectricPower,Zhengzhou450011)Abstract:Activatedsludgeisacomplicatedmicrobialecosystemthathasdiversity.Basedonthediversity,microorganismsareselectedbyacclimationcondition:thesurvivalofthefittest,otherwiseeliminatethroughselectionorcontest.Moreover,microorganismsinactivatedsludgeacclimatizethemselvestoacclimationconditions.Intheprocesstheecosystemdistributesandadjustsmicrobialnicheoveragain.Thetheoryof“selectionandacc