悬浮填料活性污泥法的脱氮效果及影响因素_何国富

悬浮填料活性污泥法的脱氮效果及影响因素何国富,　周增炎,　高廷耀(同济大学环境科学与工程学院,上海200092)　　摘　要:　投加悬浮填料强化传统活性污泥法的脱氮能力,考察了低温、填料投配比和生物膜量等因素对脱氮效果的影响。中试结果表明,投加悬浮填料和采用前置反硝化的运行方式可使系统的氨氮和总氮去除率得到显著提高。　　关键词:　生物脱氮;　活性污泥法;　悬浮填料;　前置反硝化中图分类号:X703.1　　文献标识码:A　　文章编号:1000-4602(2003)06-0006-03DenitrificationEffectandAffectingFactorsofActivatedSludgeProcesswithAdditionofSuspendedCarrierHEGuo-fu,　ZHOUZeng-yan,　GAOTing-yao(SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China)　　Abstract:　Suspendedcarrierwasaddedtoenhancethedenitrificationeffectofconventionalacti-vatedsludgeprocess.Investigationwasmadeforthefactorssuchaslowtemperature,dosingratio,andbiofilmmass,whichaffectedthedenitrificationeffect.Thepilot-scaletestresultshowedthatadditionofsuspendedpackinganduseofpre-denitrificationwillsignificantlyimprovetheremovalrateofam-monianitrogenandtotalnitrogen.　　Keywords:　biologicaldenitrification;　activatedsludgeprocess;　suspendedcarrier;　pre-denitrification1　试验装置试验装置如图1所示。图1　中试工艺流程简图中试在采用传统活性污泥工艺的上海市天山水质净化厂进行,试验装置完全