MBR中影响同步硝化反硝化的生态因子

MBR中影响同步硝化反硝化的生态因子MBR中影响同步硝化反硝化的生态因子邹联沛1,刘旭东2,王宝贞1,范延臻1(1.哈尔滨工业大学市政环境工程学院,哈尔滨150090,E2mail:lpzou@china.com;2.哈尔滨市水利局,哈尔滨150000)摘要:研究了DO、C/N、pH等生态因子对膜生物反应器同步硝化反硝化的影响.结果表明,只有在各生态因子保持得当的条件下,同步硝化反硝化才能顺利地进行.DO为1mg/L左右、C/N比为30左右、进水pH值约712左右时COD、NH+4、TN的去除率分别为96%、95%和92%.关键词:膜生物反应器;污水处理;DO;C/N比;生态因子;同步硝化反硝化中图分类号:X703.1文献标识码:A文章编号:025023301(2001)0420520051基金项目:国家“九五”科技攻关项目(962909201202204)作者简介:邹联沛(1969～),男,博士研究生.收稿日期:2000212204TheInfluenceofEcologicalFactorsonSimultaneousNitrificationandDenitrificationinMBRZouLianpei1,LiuXudong2,WangBaozhen1,FanYanzhen1(1.SchoolofMunicipal&EnvironmentalEngi2neering,HarbinInstituteofTechnology,Harbin150090,ChinaE2mail:lpzou@china.com;2.HarinBureauofWaterConservancy,Harbin150000,China)Abstract:Theinfluenceofdissolvedoxygen(DO),C/NandpHonsimultaneousnitrificationanddenitrificationinthemembranebioreactorwasstudied.Theexperimentalresultsshowedthatonlyunderconditionthateachecologicalfactorwasmaintainedrelativesteady,simultaneousnitrificationanddenitrificationmightpr