网板式SBR反应器快速稳定培养好氧颗粒污泥试验研究的综述报告-第一文库 | 海量文档资源下载与分享平台

在线预览结束，喜欢就下载吧，查找使用更方便

5 金币

下载此文档

/ 3

下载提示文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

网板式SBR反应器快速稳定培养好氧颗粒污泥试验研究的综述报告Abstract:Thepurposeofthisreviewistoanalyzetheresearchconductedonthecultivationofaerobicgranularsludgeusingarapid-stabilizationmethodinasequencingbatchreactor(SBR)withafixed-bedstructure.Thereviewsummarizestheadvantagesofthemethod,theprocessoftheformationofaerobicgranularsludge,andthekeyfactorsthatinfluencetheformation,stability,andpropertiesofthegranules.Thereviewconcludesbyoutliningthepotentialfuturedirectionsforresearch.Introduction:Thedevelopmentofeffectiveandefficientmethodsforwastewatertreatmentisanimportantareaofresearch.Onepromisingapproachistheuseofaerobicgranularsludge,whichisaformofbiologicaltreatmenttechnologythatutilizesgranularbiomasswithadiameterof0.5-3mm.Aerobicgranularsludgecanremoveorganicmatter,nitrogen,andphosphorusfromwastewatereffectivelywhileminimizingtheamountofexcesssludgeproducedduringthetreatmentprocess.Oneofthekeychallengesassociatedwiththecultivationofaerobicgranularsludgeisthelongstart-uptimerequiredtoinitiateandstabilizethegranulationprocess.Thischallengehasbeenaddressedthroughtheuseofarapid-stabilizationmethodinasequencingbatchreactor(SBR)withafixed-bedstructure,whichhasbeenshowntoreducethestart-uptimetolessthan40days.Thisreviewsummarizesthelatestresearchonthecultivationofaerobicgranularsludgeusingthismethod.AdvantagesofRapid-StabilizationMethod:Therapid-stabilizationmethodhasseveraladvantagesovertraditionalgranulationmethods.Themethodcanproduceuniformgranuleswithahighsettlingvelocity,whichmakesiteasytoseparatefromthetreatedwastewater.Thefixed-bedstructureoftheSBRallowsforacontinuousflowofwastewaterthroughthereactor,whichenhancesthestabilityofthegranules.Additionally,themethodcanreducethestart-uptimeandislesssensitivetofluctuationsinthewastewatercomposition,makingitmoreversatile.FormationofAerobicGranularSludge:Aerobicgranularsludgeformationisacomplexprocessthatincludesthreephases:primaryaggregation,secondaryaggregation,andmaturation.Duringtheprimaryaggregationphase,microorganismsaggregatetoformsma