SBR法处理味精废水脱氮机理研究董黎明

33SBR11221.1000482.466200。SBRDO、pH、COD、NH3-N、NO3--NTN。20NH3-NCODNH3-NCOD98.9%90%NH3-NCOD5mg/L100mg/L。、SBR。SBRX703Adoi10.3969/j.issn.1003-6504.2010.11.0351003-6504(2010)11-0152-04MechanismofDenitrificationofMonosodiumGlutamateWastewaterinSBRDONGLi-ming1ZHANGYan-ping1WANGPing1GAOLi-dong2ZHOUYang21.SchoolofChemicalandEnvironmentalEngineeringBeijingTechnologyandBusinessUniversityBeijing100048China2.HenanLianhuaGourmetPowderCo.LtdXiangcheng466200ChinaAbstractItisdifficulttotreatwastewaterfromproductionofmonosodiumglutamatefordischargeeligiblyduetohighconcentrationoforganicmatterandNH3-Ninwater.WastewaterfromaplantofmonosodiumglutamatewastreatedwithSBR.BytrackinganalysisofDOpHCODNH3-NNO3--NandTNforlotsofcyclesinSBRthemechanismofdenitrificationwasanalyzedcomprehensively.AerobicsimultaneousnitrificationanddenitrificationwasdeterminedinSBR.ResultsofcontinuousinfluentandeffluentwateranalysisofCODandNH3-Nfor20circlesalsoshowedSBRwasabletorunsmoothlytodischargeeligibly.TheremovalrateofCODandNH3-Nexceeded90%and98.9%respectively.TheeffluentwaterconcentrationofCODandNH3-Nwassteadilyunder100mg/Land5mg/Lrespectively.ItindicatedtheprocessofSBRcouldbepromotedinthemonosodiumglutamateindustry.Increasingloadofinfluentwastewatercancellingofrestandshorteningofaerationwereproposedforoptimizingthetechnologyofdenitrification.KeywordsmonosodiumglutamatewastewaterSBRdenitrificationmechanism。200616075%[1]。、、、、[2]。、、SO42-、pH[3-4]。11.15208151。、、。1。2009-12-282010-04-09“”2007BAK36B074“ASND”[e-mail]。EnvironmentalScience&Technology3311201011Vol.33No.11Nov.201011SBRpH6~9、COD1000~1500mg/LNH3-N200mg/L。SBR1h→1h→8h→1h→1h12h。22.1SBR20093SBRDO、pH、COD、NH3-N、NO3--NTN3、4。3、4DO、NH3-N、NO3--N、TNCODpHOH－pHNH3-N、NO3--N、TNCOD。DOpHCODNO3--NTNNH3-N40mg/L26mg/L26mg/L17mg/LNO3--NTN1。1.2SBR[5]。。SBR、、、、。2。1Table1ThequalityofmonosodiumglutamatewastewaterpHCOD(mg/L)NH3-N(mg/L)3.43~4.333.9812273~9008636165403~310310416.04~8.757.7215~2050100023~3251797.7~11.769.1117~4614137212~233884~4.784.281113~36552281230~928577SBR200810。15333。DO3.5NH3-N、TNCOD4NO3--NpHNH3-NH+NOX--NNO2--N0.01mg/LNO2--NNO3--NNO3--NNOX--N。3.5hDO4hNH3-N、TNCODNO3--N。6hDO6mg/LNH3-N、TNCOD1.62mg/L、13mg/L70.04mg/LNO3--N8.13mg/L。2NH3-N、TNCODNO3--N8h。DO5mg/LpH、NO3--N、NH3-N、TNCOD。SBR92%~95%6115mg/L163。2.2COD。SBRpHNO3--N、NH3-NTN。pH7pH7.34~7.84pHNO3--N、NH3-NTN。NO3--N5.07mg/L2.14mg/L8.54mg/LNH3-NTN24.4mg/L27mg/LNH3-NNO3--N。SBR。pH[6-8]。[9-10]。3SBR205。5NH3-NCOD107～193mg/L817～2360mg/LNH3-NCOD0.5~2.99mg/L21～92mg/L《》GB19431-2004NH3-N50mg/L、COD200mg/L《》2008NH3-N15mg/L、COD100mg/L。NH3-NCOD98.9%90%。4SBR1DO、pH、COD、NH3-N、NO3--NTN。2NH3-NCODNH3-NCOD98.9%90%NH3-NCOD5mg/L100mg/L。154113、SBR。[][1].2006[J].,2006,35435.QiGuo-wei.Thesortingorderofyieldforthenationalmonosodiumglutamateindustryinthefirsthalfof2006[J].FermentationTechnologyCommunication,2006,35435.inChinese[2].[J].,2001,22281-90.ShiZhen-qingWangJing-rongLiShu-shen.Areviewofmonosodiumglutamatewastewatertreatmenttechnology[J].TechniquesandEquipmentforEnvironmentalPollutionControl,2001,22281-90.inChinese[3].[J].,2008241227-29.YeAi-pingHuangYi-nanLinXiao-dongetal.Techni－calinnovationofmonosodiumglutamatewastewatertreat－mentandbenefitanalysis[J].ChinaWater&Wastewater,2008241227-29.inChinese[4].[J].,200326540-42.GaoTing-dongWeiXin-chun.StudiesoftreatingMSG-producingeffluents[J].EnvironmentalScience&Technolo－gy,200326540-42.inChinese[5].SBR[J].,1999,156:41-43.(inChinese)SongJie.AutonomoussystemofSBRforsewageproduc－tionplantofLotusGlutamateMonosodiuGroup[J].ChinaWater&Wastewater,199915641-43.inChinese[6]PochanaKKellerJ.StudyoffactorsaffectingsimultaneousnitrificationanddenitrificationSND[J].WaterScienceandTechnology,199939661-68.[7]RobertsonLAKuenenJG.Aerobicdenitrificationacon－troversyrevived[J].ArchivesofMicrobiology,1984394351-354.[8].[J].,200423662-65.WangHong-yuMaFangZhouDan-dan.Themechanismandresearchprogressofsynchronousnitrificationandaero－bicdenitrificationinbiologicalnitrogenremoval[J].SichuanEnvironment,200423662-65.inChinese[9].[J].,2007,30111-13.ZhaiQianWangPingLiXiu-tingetal.Selectionandenrichmentofaerobicdenitrifierinactivatedsludgesystem[J].EnvironmentalScience&Technology,2007,30111-13.inChinese[10].[J].,2006,327153-156.XiangMu-feiWangPingLiXiu-tingetal.Selectionandidentificationofaerobicdenitrifiersindenitrificationprocessofwastewater[J].FoodScienceandTechnology2006,327153-156.inChineseSBR155