反硝化除磷颗粒污泥的培养与除磷性能-论文.pdf

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1、第38卷第3期北京工业大学学报V01．38No．32012年3月JOURNALOFBEIJINGUNIVERSITYOFTECHNOLOGYMar．2O12反硝化除磷颗粒污泥的培养与除磷性能李军，张宇坤，韦廷，王亚宜，马骁，彭永臻。(1．浙江工业大学建筑工程学院，杭州310014；2．同济大学污染控制与资源化研究国家重点实验室，上海2000923．北京工业大学北京市水质科学与水环境恢复工程重点实验室，北京100124)摘要：以普通絮状污泥为接种污泥，人工配制生活污水，采用厌氧／缺氧／好氧的运行方式，

2、通过在缺氧段投加硝酸盐氮和控制选择压，经98d的培养与调整在SBR中获得具有反硝化除磷功能的颗粒污泥．稳定运行的颗粒污泥粒径主要在0．3～0．5mm，SVI约为45mL／g，P(MLSS)约为4000mg／L．具有反硝化除磷功能的颗粒污泥对COD、氨氮和磷酸盐的去除率分别可达88％、96％和90％．通过分析磷的去向及x射线衍射检测结果可知存在颗粒污泥的磷酸盐沉淀除磷现象．培养的反硝化除磷颗粒污泥除生物除磷外，还具有磷酸盐固化于污泥颗粒方式除磷．关键词：除磷；反硝化除磷；颗粒污泥；选择压中图分类号：X

3、703．1文献标志码：A文章编号：0254—0037(2012)03—0456—06CultureandPhosphorusRemovalPropertyofGranularSludgeforDenitrifyingPhosphorusRemovalLIJun，ZHANGYu—kun，WEISu，WANGYa—yi，MAXiao，PENGYong—zhen(1．CollegeofCivilEngineering，ZhejiangUniversityofTechnology，Hangzhou31001

4、4，China；2．StateKeyLaboratoryofPollutionControlandResourcesReuse，SchoolofEnvironmentalScienceandEngineeringTongjiUniversity，Shanghai200092，China；3．KeyLaboratoryofBeijingforWaterQualityScience＆WaterEnvironmentRecoveryEngineering，BeijingUniversityofTechno

5、logy，Beijing100124，China)Abstract：Thegranularsludgefordenitrifyingphosphorusremovalissuccessfullyformedinasequencingbatchreactor(SBR)fedwithsyntheticwastewater，bycontrollingtheoperationalmodesofanaerobic／anoxic／aerobic，anoxicadditionofthenitrate，andsel

6、ectionpressure．Thegranularsludgeturnsintoashapewithadiameterof0．3to0．5mm，andsludgevolumeindex(SVI)andmixedliquidsuspendedsolid(MLSS)aremaintainedat45mL／gand4000mg／L，respectively，duringthesteadyoperation．Thegranularsludgeforthedenitrifyingphosphorusremo

7、valalsoshowsagoodnutrientremovalcapability，withtheCOD，ammonianitrogenandphosphorusremovalefficienciesof88％，96％and90％，respectively．ThefateofphosphorusandtheX—raydiffractiontestresultssuggesttheexistenceofgranularsludgephosphateprecipitationphosphorusrem

8、ovalphenomena．Granularsludgeforthedenitrifyingphosphorusremovalintheexperimentusesbiologicalphosphorusremoval，anditalsohasphosphorusremovalthroughphosphateprecipitationingranularsludge．Keywords：phosphorusremoval；denitrifyingphosphorusre