CASS工艺处理屠宰废水的工程应用何健洪

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Abstract:TheapplicationofCASSprocesstothetreatmentofslaughter-housewastewaterispresented.Thisdesignissuitableformediumorsmall-sizedslaughter-housewastewateranditsmainstructuresareseparatingwaterregu-latingtank,oilsedimentationtank,hydrolysis/acidificationtank,anaerobicchamber,CASStankandsludgetank.CASSisthecoreprocess.Itsdesignischaracterizedbysingleprocess,smallarea,lowrunningexpense,goodeffect.WhentheinfluentCODCrisintherangeof1800-2200mg/L,theeffluentcouldreachtheFirstGradeStandardofNationalComprehensiveWastewaterDischarge(GB8978—1996),themaincontaminationCODCr≤100mg/L.Keywords:slaughter-housewastewater;cyclicactivatedsludgesystem;wastewatertreatmentCASS(,528415)[]CASS。、、、、CASS。CASS,、,、。CODCr1800~2200mg/L,《》(GB8978—1996),CODCr≤100mg/L。[];CASS;[]X703.1[]B[]1005-829X(2009)06-0086-03EngineeringapplicationofCASSprocesstothetreatmentofslaughter-housewastewaterHeJianhong(ZhongshanEnvironmentalProtectionTechnologyCentre,Zhongshan528415,China),,,。、,CASS,100t/d,,。1100m3/d,20%。,,。:(1),;(2)、、(、、、、、、,)。CODCr1800~2200mg/L、BOD5800~1200mg/L、SS400~800mg/L、200mg/L、NH3-N80~100mg/L。22.1,CASS,1。2.26m×4m×4m;3m×2.5m×4m;3.5m×3m×4m;6m×3.5m×4mm;CASS6m×3.5m×4m;6m×2.5m×4m。2.32.3.1CASS,CASS,(CAST)〔1〕,CASS129620096IndustrialWaterTreatmentVol.29No.6Jun.,200986——2009-06,29(6)。1975。CASS,。,。CASS、、、、,31∶5∶30,。,。。,。,,,。,,。,。。,,;,,,,。CASS,,、。,,COD96%,BOD99%,。CASS。2.3.2CASSCASS〔2〕:(1),25%,、。(2),20%~30%。(3),。。、,25%。(4),。,,。(5),,,,。(6)、,、、,、。(7),,,,,,。。(8),,。3CASS,1a,1。1,CASS,CODCrBOD597.0%98.5%。,CODBOD(COD80%,BOD90%)。42007:CASS,,,,。,,78.25kW·h/d,0.87/(kW·h),68.01/d,68.01/d,100m3/d,0.68/m3。:CASS1pHCODCr/(mg·L-1)BOD5/(mg·L-1)SS/(mg·L-1)NH3-N/(mg·L-1)/(mg·L-1)220012004801002006.865.618107126-910030705020:。87——5,CASS,CODCr1800~2200mg/L,《》(GB8978—1996);CASS、、,,,;;,。,CASS,。[][1].CASS[J].,2006(16):112-113.[2].+CASS[J].,2007,32(5):89-91.[](1975—),1999,。:13923339494,E-mail:kinhungho@hotmail.com。[]2009-03-02()Abstract:Theautomaticcontrolleveloftheelectrodialysisdevicehasbeenimproved,basedonSIMATICS7-200seriesPLCinthecirculatingwaterreuseengineering.ThedesignofthehardwareandsoftwareofthePLCcontrolandthebasiccontrolsystemisexpounded.ThePLCperipheralI/Oallocationtableandtheflowchartofthemaincontrolprogramarepresented.Keywords:electrodialysis;PLC;automaticcontrolPLC,,,(,100048)[]S7-200PLC。PLC,PLCI/O。[];PLC;[]TQ085+.411;TP273[]B[]1005-829X(2009)06-0088-04DesignofthePLCcontrolsystemofelectrodialysisdeviceincirculatingwaterreuseengineeringWuXue,LiuBin,LiuMeilian,WangJing(BeijingTechnologyandBusinessUniversity,Beijing100048,China)(ED),,,。,,,,,、,、、、、。,PLC,。1。(C,)(A,),。[](0142131301)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!29620096IndustrialWaterTreatmentVol.29No.6Jun.,200988——

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