厌氧氨氧化反应器的启动与运行研究_杨岚

第26卷第2期河北工业科技Vol.26,No.22009年3月HebeiJournalofIndustrialScienceandTechnologyMar.2009文章编号:1008-1534(2009)02-0072-05厌氧氨氧化反应器的启动与运行研究杨岚1,杨景亮2,李再兴2,吴春敏1,彭靖1(1.河北省产品质量监督检验院国家果类及农副加工产品质量监督检验中心,河北石家庄050051;2.河北科技大学环境科学与工程学院,河北石家庄050018)摘要:将具有厌氧氨氧化活性的污泥与厌氧颗粒污泥按2∶1比例混合,作为接种污泥,成功启动了厌氧氨氧化反应器,并讨论了容积负荷、溶解氧对反应器运行的影响。试验表明厌氧氨氧化反应器具有良好的耐容积负荷冲击性。当氨氮容积负荷、总氮容积负荷从分别平均为32.78mg/(L·d),78.62mg/(L·d)提高到分别平均为78.55mg/(L·d),180.16mg/(L·d)时,氨氮、总氮去除率从分别平均为71.20%,66.65%经小幅下降后回升到分别平均为62.11%和56.59%;试验进水存在溶解氧时,NH+4-N去除量与NO-2-N去除量的实际比值(1∶1.27)高于理论比值1∶1.32),厌氧氨氧化反应器内同时发生好氧氨氧化反应和厌氧氨氧化反应,厌氧氨氧化反应为主导反应。关键词:厌氧氨氧化;UASB;好氧氨氧化中图分类号:X703文献标识码:AStudyonstart-upandrunningofANAMMOXreactorYANGLan1,YANGJing-liang2,LIZai-xing2,WUChun-min1,PENGJing1(1.NationalCenterofSupervisionandInspectionoftheQualityofFruitsandProcessedFarmByproducts,HebeiInstitutionofSupervisionandInspectionofProductQuality,ShijiazhuangHebei050051,China;2.CollegeofEnvironmentalScienceandEn-gineering,HebeiUniversityofScienceandTechnology,ShijiazhuangHebei050018,China)Abstract:UsingANAMMOXbiomasscultivatedandanaerobicgranularactivatedsludge(ratioof2∶1)asinoculum,theAN-AMMOXreactorwasstartedupsuccessfully.FactorsthatcouldaffecttheoperationofANAMMOXreactor,suchasvolumet-ricloadinganddissolvedoxygenrefluxing,wereinvestigated.TheresultshowsthatANAMMOXreactorisresilientwhenun-dergoingstepchangesofvolumetricloading.WhenaveragevolumetricloadingofNH+4-NandTNwasincreasedrespectivelyfrom32.78mg/(L·d)and78.62mg/(L·d)to78.55mg/(L·d)and180.16mg/(L·d),theaverageremovalratesofNH+4-NandTNdroppedgraduallyfrom71.20%and66.65%,andthenbackto62.11%and56.59%.Becauseoftheinfluentwithdissolvedoxygen,theactualratioofremovedNH+4-NandNO-2-N(1∶1.27)washigerthanthetheoreticalratio(1∶1.32).AerobicammoniaoxidationreactionandanaerobicammoniaoxidationreactionbothoccurredintheANAMMOXreactor,withanaerobicammoniaoxidationreactionbeingthemainreaction.Keywords:anaerobicammoniaoxidation;UASB;aerobicammoniaoxidation收稿日期:2008-04-03;修回日期:2008-07-25责任编辑:王海云作者简介:杨岚(1969-),女,北京人,硕士研究生,主要从事仪器分析及废水