UASBCASS工艺处理乳制品综合废水

:2006-02-20UASBCASS,,(,710600):UASBCASS,,CODCrBOD5SS96.4%98.8%83%,CODCrBOD5SS79.4mg/L14.4mg/L70mg/L:;(UASB);(CASS):X703:B:1008-2301(2006)01-0021-04TreatingComprehensiveWasteWaterofDairyProductswithUASB-CASSTechnology.WENYan,GAOXiao-hong,WANGHong-zheng(EnvironmentalMonitoringStationofSub-BureauofXianCityEnvironmentalProtectionBu2reau,Xian710600,China).EnvironmentalProtectionofXinjiang2006,28(1):2124Abstract:ThearticleintroducesadoptingtreatmentofdairyproductscomprehensivewastewaterwithUASB-CASStech2nologyanditsmonitoringresultfurtherproofsitschracteristicsofreasonabletechnologyandstableeffectivenessthedislodg2ingrateofCODCrBOD5andSSareseparately96.4%,98.8%and83%andtheaverageoutfallwaterqualityandmassconcentrationofCODCrBOD5andSSarenothigherthan79.4mg/L,14.4mg/Land70mg/L.Thetechnologyismoread2vanced,riperandreliablemethodoftreatingdairyproductscomprehensivewastewater.Keywords:thecomprehensivewastewaterofdairyproducts;upanaerobiesludgebulking(UASB),circulatingactivatedsludgeprocess(),,B/C015++,UASBCASS+,,,SBR,,,,,1111,,,1850t/d,200t/d(1),(GB8978-96)1Tab.1Wasterwaterqualityandstandardofoutfallqualitymg/LCODCrBOD5SSpHNH3-N22401219389617334161503015069252006,28(1):2124EnvironmentalProtectionofXinjiang112,+(UASB),UASB,(CASS)CASSUASB,,,,,CASS,,/,113,,UASBCASS,,,,(1)1Fig.1Sewagetreatmenttechnologicalprocess2211,,UASB,,21111=410m,H=610m,215m2(11),Q=150m3/h,H=10m,N=715kW211121910m1110m513m,t=8h,510m115m,280m3,350mm5,=5mm,300mm2(11),Q=125m3/h,H=12m,N=715kW,1212UASB,,,,,,,,,UASB19101510710m,4,,460m3,COD318kg/m3d,25,t=1417h,8,1,4,1213,,UASBCASS2228,CASS-:/,,;,,;,,,CASS2,,950m3,4010915510mBOD50110kg/kg(MLSS).d,3800mg/L,AOR=1118O2kg/d,SORT=2013O2kg/d,1919Nm3/minCASS4h,/2h,1h,1h,(MRD-300-115)2,2,Q=30m3/h,H=4m,N=115kW214,UASB,1,710215210m,35m3,1,Q=020m3/h,016MPa,017MPa1,30m2,115kW21522Tab.2Thedislodgestatusofmainpollulantmg/L(%)UASB(%)CASS(%)1CODCr2240215931625988791496142BOD512191134710291141498183SS38927230190307083103311UASBCASS,,,1/42/43/44/480d,,312,3000t/d(2800t/d,200t/d),3d,33Tab.3ThemonitoringresultCODCr(mg/L)BOD5(mg/L)pHSS(mg/L)NH3-N(mg/L)()2005-08-222190781712171413617671963846833190157230292005-08-232280801412201416616871943937235170159430292005-08-242240791212191414617671923897034110158730293d224079141219141461737194389703416015843029(%)96149818839813150306915025321:UASBCASS41),,,0135/t(),,2)UASB,,,,3)CASS,,4),UASBCASS,,CODCrBOD5SS9614%9818%83%,(GB8978-1996)[1],,,.UASB[M].:,2000.[2],,.[M].:,2002.[3],,.()[M].:,1996.[4].HJ/T91-2002[M].:,2002.[5]GB8978-1996,[S].:(1975-),,,1998,,,(8),,,,3,,,,,,[1].[J].,1987,(1):1-9.[2],,.[J].,2003,22(1):2-3.[3],.[J].,2002,9(4):22-23.:(1980-),,,,,4228