剩余污泥高温微氧溶胞预处理及其发酵产酸性能的研究

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1、哈尔滨工业大学理学硕士学位论文showedthatacid-producingabilitywasexhibitedbytheWASdisposedofthermophilicmicro-aeration，acidproductionreached3149mgCOD/LwhentheWASwasprocessedbythermophilicmicro-aerationfor96h,especiallyaceticacidincreasedby50%oftotalproduction,itcanbeusedasthesubstrateforfurtherusing.PCR-DGGE

2、analysisshowedthatMicrobialdiversitywithinthesystemwasinfluencedbydifferentpretreatmentconditions.MicrobialcommunityinthepretreatedWASquicklyadjustedtoadapttoenvironmentalchangesduringanaerobicacidogenicfermentation.Microbialspeciessuchasrhodocyclus、β-proteobacteriabloomed,whichplayedamajorro

3、leintheAnaerobicreactor.ThisisimportantfortheexplanationfortheefficientacidproductionduringtheanaerobicfermentationofWASInconclusion，throughtheanalysisofWASpre-treatmentinthermophilicmicro-aerobicmethodandtheimprovementofsludgedigestion,itprovidesanewideaforapplyingandsludgeresourcerecovery.K

4、eywords:thermophilicmicro-aeration,lysis,wasteactivatedsludge(WAS),anaerobicfermentation,microbialcommunity-III-哈尔滨工业大学理学硕士学位论文目录摘要...............................................................................................................................IABSTRACT..........................

5、...........................................................................................II第1章绪论................................................................................................................11.1课题背景及研究目的和意义...................................................................

6、.............11.1.1课题研究背景................................................................................................11.1.2研究目的和意义............................................................................................11.2剩余污泥处理处置方法.....................................................

7、...................................31.2.1剩余活性污泥的理化性质............................................................................31.2.2剩余污泥处理方法研究现状........................................................................51.2.3剩余污泥处置方法研究现状......