序批式移动床生物膜反应器内同步短程硝化反硝化的控制_孙萍

第28卷第8期2008年8月环境科学学报ActaScientiaeCircumstantiaeVol.28,No.8Aug.,2008基金项目:教育部重大培育基金(No.705011)SupportedbytheSignificantCultivationFundofEducationMinistry(No.705011)作者简介:孙萍(1982—),女,E-mail:spring8683.sun@yahoo.com.cn,Tel:13889542986;＊通讯作者(责任作者),E-mail:quanxie@dlut.edu.cnBiography:SUNPing(1982—),female,E-mail:spring8683.sun@yahoo.com.cn,Tel:13889542986;＊Correspondingauthor,E-mail:quanxie@dlut.edu.cn孙萍,张耀斌,全燮,等.2008.序批式移动床生物膜反应器内同步短程硝化反硝化的控制[J].环境科学学报,28(8):1515-1518SunP,ZhangYB,QuanX,etal.2008.ProcesscontrolofsimultaneousshortcutnitrificationanddenitrificationinaSequencingBatchMovingBedBiofilmReactor(SBMBBR)[J].ActaScientiaeCircumstantiae,28(8):1518-1518序批式移动床生物膜反应器内同步短程硝化反硝化的控制孙萍,张耀斌,全燮＊,赵雅芝大连理工大学环境与生命学院工业生态与环境工程教育部重点实验室,大连116024收稿日期:2007-07-25修回日期:2007-11-10录用日期:2008-05-22摘要:在序批式移动床生物膜反应器(SBMBBR)内,对进水COD较低的条件下,模拟生活污水的亚硝化及脱氮性能进行了研究.结果表明,缺氧时间、进水COD、NH+4-N浓度、pH值以及溶解氧对亚硝化过程有明显影响.在进水COD为100mg·L-1,NH+4-N浓度为50mg·L-1时,调控溶解氧、pH,出水的亚硝化率可到99.7%,总氮去除率可达66.4%,表明系统中发生了同步短程硝化反硝化.关键词:序批式移动床生物膜反应器;亚硝化;同步短程硝化反硝化文章编号:0253-2468(2008)08-1515-04中图分类号:X文献标识码:AProcesscontrolofsimultaneousshortcutnitrificationanddenitrificationinaSequencingBatchMovingBedBiofilmReactor(SBMBBR)SUNPing,ZHANGYaobin,QUANXie＊,ZHAOYazhiSchoolofEnvironmentalandBiologicalScienceandTechnology,KeyLaboratoryofIndustrialEcologyandEnvironmentalEngineeringofNationalMinistryofEducation,DalianUniversityofTechnology,Dalian116024Received25July2007;receivedinrevisedform10November2007;accepted22May2008Abstract:NitrosificationanddenitrificationinanartificialdomesticwastewaterwithlowCODwerestudiedinasequencingbatchmovingbedbiofilmreactor(SBMBBR).Theresultsshowedthattheshortcutnitrificationwasinfluencedbyanoxictime,COD,NH+4-N,pHanddissolvedoxygen.WhenCODinthewastewaterfeedwas100mg·L-1andNH+4-Nwas50mg·L-1,a99.7%nitriteaccumulationratioand66.4%TNremovalwerereachedbyadjustingtheDOandpHintheprocess,whichmeantthatsimultaneousshortcutnitrificationanddenitrificationoccurredinthesystem.Keywords:SBMBBR;shortcutnitrification;simultaneousshort