高浓度含氮味精废水综合治理技术古文炳副本

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Syntheticaltreatmenttechnologyofhighlyconcentratednitrogen-containingmonosodiumglutamatewastewaterGuWenbing1,ChenJungang2,MeiRongwu2(1.ZhonglanlianhaiDesign&ResearchInstitute,Lianyungang222004,China;2.Research&DesignInstituteofEnvironmentalProtectionScienceofZhejiangProvince,Hangzhou310007,China)1,2,2(1.,222004;2.,310007)[]——,,—A/O—,COD≤2000mg/L、NH3-N≤500mg/L,COD100mg/L、NH3-N≤30mg/L,。[];;[]X703.1[]B[]1005-829X(2009)02-0083-04Abstract:Afterthehighlyconcentratedwastewaterfrommonosodiumglutamateproductionispretreatedbyfeedingstuffyeast-tetra-effectevaporation-doubleeffectcondensationtechnology,ammoniasulphateandaminoacidfertilizercanberecovered.And,aftermixingtheevaporatedcondensateandothermedium/lowconcentratedwastewater,throughprimarysedimentation-secondaryA/O-secondsedimentationtreatment,andwhentheconditionofinflowwaterCOD≤2000mg/L,NH3-N≤500mg/L,outflowwaterCOD100mg/L,NH3-N≤30mg/L,whichreachesthepredictedeffect.Keywords:monosodiumglutamatewastewater;tetra-effectevaporation;anaerobicammoniumoxidation,4t。、、(SO42-),。2000,2500,3000t/d,/(H/O)++。,H2S,,;,,500~800mg/L,,,。2000,,、。—A/O—,。11.1,1。,;,1。MgSO4、、K2HPO4、H2SO4129220092IndustrialWaterTreatmentVol.29No.2Feb.,2009831/(t·d-1)pHCODCr/(mg·L-1)BOD5/(mg·L-1)NH3-N/(mg·L-1)SS/(mg·L-1)SO42-/(mg·L-1)12001.8~3.24×1042×1041.4×1042×1044×1048004.5~7.0180045012001500—20504.0~5.01650403482——1.2,《》(GB19431—2004)。2、、pH、。,Sharon-Anammox〔1-2〕A/O,,。2.1,50%~60%CODCr,,pH1.8~3.25.0。,“—”,,,,,。,(YTA),“”,,3600/t1745/t,4000t,300。2.2,CODCr20g/L、NH3-N10g/L、SO42-40g/L。。,“+”,2。1000m3/d,0.225t/t。50t/d、50t/d。850m3/d、pH3.5~4.0、CODCr1600~2000mg/L、BOD5425~480mg/L、20~40mg/L。2.31,B/C0.24,m(BOD5)∶m(NH3-N)=0.84,A/Om(BOD5)∶m(TN)3,Sharon-Anammox,A/O,“/(H/O)++”,、、A1、A2。3。。pH9,SSCODCr。A/O,。(A1、A2)DO0.3~0.5mg/L。NH4+-N,(O1、O2)A1、A2,,NO2--NNH4+-NN2,NH4+-N。A1,。O2()BOD5,NH3-NNO2--N。,pH,pH7.6~8.4。O2,,A1。。3(1)()。2000m3/d。35m×15m×4.5m,1,,2100m3,12h。,、,、,、,SS,,,。2,N=15kW,Q=200m3/h。(50t/d)(4000t/a)(50t/d)2A1O1A2O232009-02,29(2)84(2)()。D16m×4.5m,1,,3m,0.83m3/(m2·h)。1,N=0.37kW,2,WQ250-13-15,Q=250m3/h,H=13m,N=15kW,11。(3)A1/O1。A1()8.5m×8.5m×8.9m(4),1,,8.5m,2456m3,HRT=14.7h。:DO<0.3mg/L、MLSS2.5~4.0g/L。LQT4,1,D=1800mm,n=38r/min,N=4kW。O1()40m×30m×4.8m,1,,4.5m,5760m3,HRT=34.6h。:DO2~4mg/L、MLSS2.5~4.0g/L,300%,ZQ1210-21,Q=500m3/h,H=3m,N=7.5kW,A1。430。(4)A2/O2。A2()11m×11m×7.3m(2),1,,7.3m,1694m3,HRT=10.2h。:DO<0.3mg/L,MLSS2.5~4.0g/L。LQT2,1,D=1800mm,n=47r/min,N=7.5kW。O2()33.75m×15.5m×4.8m,1,,4.3m,2249m3,HRT=13.5h。:DO3~5mg/L、MLSS2.5~4.0g/L,300%,。126。A(A1+A2):HRT=24.9h,MLSS2.5~4.0g/L,F/NOx-N0.06~0.07kg/(kg·d)。O(O1+O2):HRT=48h,MLSS2.5~4.0g/L,F/NH3-N0.10~0.15kg/(kg·d),F/M0.10~0.15kg/(kg·d)。6C60-1.6,Qs=60m3/min,P=53.9kPa,N=75kW,33。(5)()。D20m×4.5m,1,,3m,0.53m3/(m2·h)。1,N=0.37kW。2:WQ250-13-15,Q=250m3/h,H=13m,N=15kW,11。(6)。2,4m×4m×5.7m。22.5PW。12m,DYL2000,N=1.1kW;8h,12.5t/h,8t/d。44.120057,500,640kW。4000t/d,2000t/d,30℃。10。3,。2000t/d,COD2057mg/L、NH3-N474mg/L、BOD5471mg/L,()2。200511。2d()3。,A/O,。4.2(1t):0.75/(kW·h)1.5×0.75=1.12;1200/(·)1200×10÷30÷4000=0.10;(300/t)PAM(5/t),2.5×0.30+0.01×50=1.25。2.47/t。5(1)。Sharon-Anammox(A、O),,。SharonNO2--N,SharonAnammox,50%NH4+-NNO2--N。50%NH4+-NNO2--NAnammox1∶1,NH4+-NNO2--N,:2009-02,29(2)2/(mg·L-1)A1/(mg·L-1)O1/(mg·L-1)A2/(mg·L-1)/(mg·L-1)pHCODCrNH3-NBOD5CODCrNH3-NCODCrNH3-NCODCrNH3-NCODCrNH3-N2057474471354.250.9110.620.6129.213.936.710.66.53pHCODCr/(mg·L-1)NH3-N/(mg·L-1)BOD5/(mg·L-1)m(BOD5)∶m(NH3-N)2.01344001640084300.513.40172001300043400.333.721780029.344815.34.66176011904540.384.19637.3420027.26.6566.38.3317.82.1485。Sharon-Anammox。,—,,。,—,。—,90%,CO288%。(2)。,,Sharon-Anammox,。,—(OLAND,DO0.8~1mg/L,pH7.5~8.5),—,,(DOSharon-Anammox37.5%),(20~30℃)。DO,1/3。[][1],.[J].,2006,32(8):1-4.[2],.[M].:,2006:76-82.[](1971—),1993,。:0518-85520175,E-mail:wenbing@lehigh.sina.net。[]2008-10-25()LowphosphorustreatmenttechnologyofcirculatingcoolingwaterwiththehighproportionalcondensatewaterJiangYizhang1,ZhaoShifeng1,YangXiuzhong2,JiShuyi1(1.ShanghaiMiaoqingWaterTreatmentCo.,Ltd.,Shanghai201512,China;2.ChemicalResearchInstituteofShanghaiPetrochemicalCo.,Shanghai200540,China)1,1,2,1(1.,201512;2.,200540)[]C5,,。,,0.075mm/a,15mcm。[];;;[]TQ085+.412[]B[]1005-829X(2009)02-0086-03Abstract:ThedifferenceoftemperatureoftheinletandoutletcoolingwaterissmallintheC5circulatingcoolingwatersystem.Agreatdealofcondensatewaterissuppliedinthesystem.Theaverageresidenttimeofthechemicalsislong.Lowphosphoruschemicalsareusedandthesterilizationproposalismodifiedsothatthecorrosionrateoftesttubesislowerthan0.075mm/a,andthefoulingadherencerateislowerthan15mcm.Keywords:circulatingcoolingwater;lowphosphorus;condensatewater;retentiontime,C5,3500t/h,2500t,16,380t,60%~70%,。,,6℃,,,20d。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!29220092IndustrialWaterTreatmentVol.29No.2Feb.,200986

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