SBBR工艺处理肉类制品厂废水的实验研究李萍

2　11环境工程学报Vol.2,No.11200811ChineseJournalofEnvironmentalEngineeringNov.2008SBBR李　萍　袁河清(,410004)　　26℃,pH6.8～7.3,(SBBR),DO,SBBR。SBBR:8h,DO2mg/L。20d,CODBOD591.5%92.5%,90.6%,92.3%,SS90%。SB-BR。　　　　　　X703.1　　　A　　　1673-9108(2008)11-1519-05ExperimentalstudyontreatmentofmeatproductplantwastewaterbysequencingbatchbiofilmreactorLiPing　YuanHeqing(CollegeofEnvironmentalProtectionOccupationTechnique,Changsha410004)Abstract　SBBRwasappliedtotreatmeatproductplantwastewater.Withthetemperatureof26℃andpHof6.8～7.3,SBBRreactorwasstartedafteradjustingtheaerationtimeanddissolvedoxygenconcentration.TheresultsindicatedthattheobtainedoptimalparametersofSBBRformeatproductplantwastewatertreatmentwere:aerationtime8h,anddissolvedoxygen2mg/L.After20days'operatingintheoptimalparameters,theaverageremovalratesofCODandBOD5reached91.5%and92.5%respectively,theaverageremovalrateofNH+4-Nwas90.6%andthebestwas92.3%,theremovalrateofSSalsokeptabove90%.TheeffectoftheSBBRtreat-mentwhichunderoptimalparametersdealingwithmeatplantwastewaterwaswell.Keywords　SBBR;organicpollutant;biologicalnitrogenremoval;dissolvedoxygen;aerationtime:2008-03-13;:2008-04-22:(1968～),,,,。E-mail:[e-mail]　　、、、、、、、,、,,。,,。,(sequencingbatchbiofilmreactor,SBBR),GonzaleWil-derer1990。SBBR[1～5],SBR,SBR,;,;,、,,SBBR[6～9]。SBBR。21　1.1　SBBR1,4L,,1∶4。,24～32℃。PLC、,1.5～2.5mg/L,。500mL0.01mol/L()。SBBR12h,3:()、(12h,)()。、1/3。1　SBBRFig.1　SchematicchartofSBBR1.2　,(MLVSS)1638mg/L,SS3562mg/L。(、),1。1.3　pH,pHS-3TC;MLVSSSS,;BOD5,;COD,;,;,;DO,。1　Table1　Waterqualityofinfluentanddischargestandard(mg/L)CODBOD5SS500～1300120～600300～80025～48100305082　3:1,,26℃,pH6.8～7.3,8h,DO1.5mg/L;2,,,;3,,,。2.1　5SBBR,1L,,72h,。,,,()COD,2dCOD,。COD,2,40d。40d,12h,8h,COD1030mg/L,COD175mg/L,83.1%;50.2mg/L,4.1mg/L,91.8%,,,,,,COD。2.2　SBBR,,152011　:SBBR2　CODFig.2　RemovalratesofCODandNH+4-Ninsludgeacclimation,、pH、。SBBR,、pH,25～30℃,pH6.8～7.8,SBBR[10]。,,[11,12][13,14]。2.2.1　曝气时间的优化,SBBR。,,;,,。COD、。:26℃,pH=6.8～7.3,DO1.5mg/L,12h,5,,,20h。3,20d,8h,COD。,8h10h,90%,,,,COD,8h。2.2.2　溶解氧浓度的优化SBBR,3　CODFig.3　VarietyofremovalratesofCODandNH+4-Natdifferentaerationtimes,,,,。,,,,,。:,26℃,pH=6.8～7.3,8h,4h,,20d,COD、、、8h,20d2。2,DO,COD,,DO。、,DO0.5mg/L2mg/L,8h21.71mg/L47.19mg/L,。DO2mg/L2.5mg/L,8h。DO2mg/L152122　20dDOCOD、Table2　EqualdataofCOD,NH+4-NandnitrateatdifferentDOduringruncycleof20d(mg/L)DOCODCOD8h8h0.5658.3102.926.674.563.162.9221.7129.871725.380.838.533.912.612.9741.3231.151.5749.578.925.792.622.183.1134.5317.852790.670.229.342.112.033.4347.1914.542.5698.669.533.322.972.853.6547.9515.18,DO,DO;DO2mg/L,DO。DO,DO0.5mg/L2mg/L,,DO2mg/L2.5mg/L,。,,DO2mg/L。2.3　:26℃,pH=6.8～7.3,12h,8h,2mg/L,4h,,20d,。2.3.1　COD和BOD5的去除效果CODBOD5。、、、、,,CODBOD。4,,COD903.5mg/L,COD61.1mg/L,。,SBBRCOD,91.5%,93.2%。5,,BOD5220.6mg/L,BOD515.1mg/L,。20d,BOD592.5%,93.4%。,SBBR。SBBR、,,、,。2.3.2　氨氮的去除效果、,。,、,,,。6,SBBR,90.6%,92.3%。2.3.3　SS的去除效果,,,SS。SBBR,152211　:SBBR6　Fig.6　RemovaleffectofNH+4-N,,,,。7,SS90.3%,91.4%,SS,50mg/L,。7　SSFig.7　RemovaleffectofSS3　　(1)26℃,pH=6.8～7.3,COD,,2:8h,2mg/L。(2),SBBR,COD、BOD5,COD91.5%,BOD592.5%,93.4%。8h,,,,,,,。SBBR,90.6%,92.3%。(3)SBBR,,。[1],,,.(SB-BR).,2006,26(1):55～60[2],..,2006,22(20):24～26[3]KjellerupB.V.,VeehR.H.,SumithraratneP.,etal.Mo-nitoringofmicrobialsouringinchemicallytreated,pro-duced-waterbiofilmsystemsusingmoleculartechniques.JournalofIndustrialMicrobiologyandBiotechnology,2005,32(4):163～170[4]ZhangZhi-yong,ZhouJi-ti,WangJing,etal.Integrationofnitrificationanddenitrifyingdephosphatationinairliftloopsequencingbatchbiofilmreactor.ProcessBiochemistry,2006,41(3):599～608[5]GiesekeaA.,ArnzbP.,AmannR.,etal.SimultaneousPandNremovalinasequencingbatchbiofilmreactor:In-sightsfromreactor-andmicroscaleinvestigations.WaterResearch,2002,36(2):501～509[6],,,.SBBR.,2006,26(5):728～733[7],,,..,2006,28(6):422～424[8],,,..,2005,25(12):1336～1640[9],,..,2005,26(1):63～67[10],,,.SBBR.,2006,22(7):17～21[11],,,.C/N.,2003,25(5):257～261[12],,.COD.,2002,18(12):13～15[13],..,2007,33(2):21～23[14],,,.DOSBR.,2007,1(10):14～171523