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CAF-SBR宁 平(,650093) 朱 易(,530001)金时英(,650001) 用CAF涡凹气浮-SBR法工艺处理屠宰废水,经该工艺处理后,出水水质达到GB13457-92《肉类加工工业污染物排放标准》中二级标准和《污染物综合排放标准》二类污染物(新、改扩)二级标准。 屠宰废水 CAF涡凹气浮 SBR法1 1500m2,650,,,400,60t,54t。GB13457-92,CAFSBR,65,1.4,150m3d,1~1.2t。2 2.1 工艺流程3:、CAF、SBR,1。,,、、、、,CODCr10000~20000mgL,,,,CAF,25min,SBR,。CAFSBR1 2.2 CAF涡凹气浮系统,CAF,SBR。2。2 CAFCAF,,。,4:、、。,,,,,,、,,,,,,,(d=30~100μm,90%;100μm,10%),,。CAF1,20m3h,。2.3 好氧曝气射流式SBR塔系统SBR,2,14 20016193DOI:10.13205/j.hjgc.2001.03.0043,,50m3h,1∶7.5,,80%~90%。SBR,4.2m,8.5m,117m3。SBR,BOD5。3 ,199998~9,,。1,3(2h)。,SBR16h,CAF4~5h。。 mg·L-1mg·L-1%CODCrmg·L-1813.2044.8294.49SSmg·L-121562498.89mg·L-1431199.77TPmg·L-121.950.1299.45TNmg·L-1117.4745.9260.912561693.75 GB13457-92《》《》《、》:pH6~9;120mgL;200mgL;20mgL。。4 (1)、、CAF、SBR、,-SBR,,,,。(2),、,,,。(3)CAF,,,,CAF,SBR,。1 .CAF-.,1998.(4):7~9.2 .CAF-.,1997.(5):2~4.3 ..:,1992.4 ..:,1981.5 BjornRosesen.TreatmentofwastewaterbyTechn.ofCAF.WaterServices,1989.(4):9. ,,19582,,,,。2000-04-2115 20016193STUDYOFMETHODFORTREATINGOXIDANTWASTEWATEROFLIQUIDPROPELLANTXuGuogenetal(7)…………………………………………………………………………………………………Abstract Amethodandaprocessoftreatingmissileoxidantwastewaterareintroduced,bywhichalkaliisusedtoneutralizeacid,ureaisadoptedtoremovenitrite,andflocculationdepositionmethodisalsousedtoremovefluorionandphosphateradical.Theoptimaltreatmentconditionisexploredandamorereasonabletreatingprocessisdetermined.Keywords nitro-oxidant,wastewater,fluorion,phosphateradical,nitrite,neutralizationanddepositionEXPERIMENTALSTUDYOFTHETREATMENTPROCESSOFDYEWASTEWATERLiZhuangetal(9)…………………………………………………………………………………………………………Abstract First,thehighconcentrationwastewaterofdyewaspre-treatedbyneutralizationelectrolysis-ozonizationpro-cess,thenwascompoundedwithlowconcentrationwastewater,andtreatedbycoagulatingandadsorptionprocess.Accordingtoeletrolysisorthogonalexperimentandprocesstest,thewholeprocessoptimumconditionsweredeterminedasfollows:pHofneutrality,A3B2C2ofelectrolysis,2hoursofozonization,250mgLofNo.1andNO.3environment-protectingcoagulants,30minofcoalcinderadsorption.ThetotalremovalrateofCODCrandthatofdecolorationareupto99%.Theeffluentqualitycanreachtherequirementsofwastewaterdischargestandards.Keywords dyewastewater,electrolysis,ozonization,coagulationandadsorptionENGINEERINGAPPLICATIONOFTREATINGTECHNOLOGYOFOILYEMULSIFIEDWASTEWATERLuBinetal(12…………………………………………………………………………………)Abstract Atreatingtechnologyofoilyemulsitiedwastewaterhasbeenappliedbyusingtwo-stagefloatationandbio-contactoxidationprocessinametalfinishingindustry.Thefull-scaleapplicationresultsshowedthattheaverageremovalrateofCODCrandoilcouldupto99.55%and99.91%respectively.Theindexesoftheeffluentcouldmeetthedischargestan-dards.Keywords oilywastewater,emulsion,floatationandbio-contactoxidationAPPLICATIONOFCAFCAVITATIONAIRFLOAT-SBRPROCESSTOTREATMENTOFSLAUGHTERHOUSEWASTEWATERNingPingetal(14…………………………………………………)Abstract TheCAFcavitationairfloat-SBRprocesscanbeusedfortreatingaslaughterhousewastewater,bywhichtheeffluentqualitycanmeettherequirementsofthesecond-orderin“theDischargeStandardofPollutantsfromMeatsProcess-ingIndustry”(GB13457-92)andtherevisedsecond-orderofthesecondarypollutantsin“OverallDischargeStandardsofPollutants”.Keywords slaughterhousewastewater,CAFcavitationairfloatandSBRprocessOPTIMIZATIONOFWASTEACIDANDWASTEWATERTREATMENTSYSTEMINJINCHANGSMELTERZhangJieyu(16…………………………………………………………………………………………)Abstract BasedonasyntheticanalysisofthewasteacidandwastewatertreatmentsystemsinJinlongandGuixiSmelters,andaccordingtotheprinciplesofsimplicity,economyandhighefficiency,improvementsonthetechnologyandequipmentforwasteacidandwastewatertreatmentsystemthatwouldbebuiltinJinchangSmelterhavebeenproposed.Keywords JinchangSmelter,wasteacidandwastewatertreatmentandimprovement2ENVIRONMENTALENGINEERINGVol.19,No.3,June,2001
本文标题:CAF涡凹气浮SBR法在屠宰废水处理中的应用宁平
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