甘蔗糖蜜酒精废液生物过程尾水的物化处理成官文

24　1　　　　　　　　　　　　　　　　　　　　　　　　　Vol.24No.120041　　　　　　　　　JOURNALOFGUILININSTITUTEOFTECHNOLOGY　　　　　　　　Jan.2004:1006-544X(2004)01-0093-04成官文1,2,章非娟2,廖　雷1,吴志超2,周　军2(1.,　541004;2.,　200092)　:Al2(SO4)3、、FeCl3、、、、-.:10%FeCl3,COD30300mg/L,.Al2(SO4)3、,70%,COD65%,.:;;COD;:X792　　　　　　　　　　　　:A　　.,COD49650mg/L,NH3-N2158mg/L,SO2-46873mg/L,pH7.82(),4000.UASB+,COD1000～3000mg/L,BOD100mg/L,NH3-N4～50mg/L,pH6.5～7.9,125～250,CODGB8978-1996,.　　、4-、6-、1、3-[1],,.1　1.1　　　(1)UASB+,COD1545mg/L,BOD115mg/L,NH3-N3.7mg/L,pH6.79,150.　　(2)AL2(SO4)3,(w(Al)=10.08%,w(B)=74%),FeCl3,,(PAM).1.2　　　,4.500ml500ml,,1min,10min,30min.PAM,1min.30min,30min.COD.COD,.2　2.1　Al2(SO4)3COD　　Al2(SO4)3,:2002-12-11:(9919053):(1962-),,,,.Al(OH)3,Al(OH)3,,Al2(SO4)3Al(OH)3pH6～7,pH4～7[2].28℃,pH6.79,Al2(SO4)3.　　1,Al2(SO4)3,COD.800mg/L,,83%,COD46.7%.,Al2(SO4)35mg/L0.5‰,COD.[3],pH:pH6.79,Al(OH)3(95%),Al2(SO4)330～100mg/L,.,,,,COD.2.2　　　28℃、pH6.79,(2),COD.600mg/L,83%,COD65.1%.Al2(SO4)3,Al.600mg/L,PAM,COD(3),PAM.2.3　FeCl31　Al2(SO4)3Table1　RateofCODandcolorityremovalafterthrowinginAl2(SO4)320%Al2(SO4)3/(mg·L-1)PAM/(mg·L-1)//%ρ(COD)/(mg·L-1)COD/%40060080010004006008001000000055551003025301204025253380838020738383151483282481613818368178082.046.246.747.210.645.947.247.72　CODTable2　RateofCODandcolorityremovalafterthrowinginaluminumchloride/(mg·L-1)PAM/(mg·L-1)//%ρ(COD)/(mg·L-1)COD/%200400600800100020040060080010000000010101010101005025254010040252530336783837333738383801152704540592740108064857260065224.454.565.161.752.130.158.163.061.257.83　PAMTable3　RateofCODandcolorityremovalafterthrowinginaluminumchlorideandPAM/(mg·L-1)PAM/(mg·L-1)//%ρ(COD)/(mg·L-1)COD/%6006006006006005101520253025253025808383808363063257264062059.259.163.058.659.9　　FeCl3COD(4),FeCl31000mg/L,COD90%79.8%;PAM10mg/L,COD,COD90%83.2%,COD300mg/L、15,.[3],pH6.79,Fe(OH)2-5(75%),Fe(OH)+2、Fe(OH)-4,(Ⅲ、Ⅱ)2.7～2700mg/L,,,.2.4　　　,5.1.0ml/L,COD,83%63.3%.,,COD.94　　　　　　　　　　　　　　　　　　　　　20044　FeCl3Table4　RateofCODandcolorityremovalafterthrowinginIron(Ⅲ)Chloride10%Al2(SO4)3/(mg·L-1)PAM/(mg·L-1)//%ρ(COD)/(mg·L-1)COD/%5001000150020005001000150020002500000010101010101251540501001515406017907367339090736099631237243692726025232834835.579.875.971.840.083.283.778.778.55　Table5　RateofCODandcolorityremovalafterthrowingincompounddecolorant/mL/mL//%ρ(COD)/(mg·L-1)COD/%5005005005000.51.01.52.0252525508383836762556765092059.563.357.940.52.5　　　[4-6].,0.15mm(100).,8h,30min70%.500mL,,30min,1、2.　　COD.16g/L,ρ(COD)=280mg/L,30,COD81.9%77%,(ρ(COD)300mg/L).2.8nm、1～3nm,5～20nm,3～6[5],,COD.3　　　　(1)4UASB+COD1　Fig.1　Rateofcolorityremovalafterthrowinginpowderedcarbon2　CODFig.2　RateofCODremovalafterthrowinginpowderedcarbon,FeCl3、、Al2(SO4)3.10%Fe-Cl3.　　(2)UASB+COD.16g/L,ρ(COD)300mg/L,30,.　　(3)Al2(SO4)3、,80%,COD,COD.[1],,　,.UASB[J〗.,2000,13(4):23-25.9524　1　　　　　　　　:[2].[M].:,2000.5-36.[3],,,.[M].:,2002.87-93.[4],,.[M].:,1989.92-144.[5],,,.[J].,2002,22(1):55-58.[6]GordonMckay.UseofAdsorbentsfortheRemovalofPollutantsfromWastewaters[M].NewYord:U.S.CRCPress,1996.60-74.Sugarcanemolassesphysico-chemistrywastewatertreatmentaftertwo-phaseUASBandaerobicprocessCHENGGuan-wen1,2,ZHANGFei-juan2,LIAOLei1,WUZhi-chao2,ZHOUJun2(1.DepartmentofResourcesandEnvironmentalEngineering,GuilinInstituteofTechnology,Guilin541004,China;2.StateKeyLabofPollutionControlandReuseResearch,TongjiUniversity,Shanghai200092,China)Abstract:Anexperimentisintroduced,inwhichcoagulatingagent、coagulantaidsandadsorbentareusedalongwithaluminumchloride,iron(Ⅲ)chloride,compounddecolorant,polyacrylamideandpowderedcarbontotreatsugar-canemolasseswastewaterafteranaerobic-aerobicprocess.Itisshownthatcolorityandchemicaloxygendemandofthewastewatercanbedecreasedtothirtytimesandlessthan300mg/Lrespectivelyby10%iron(Ⅲ)chlorideliquorandpowderedcarbon.Itisexpectedtomeetthesecondclassdischargestandardofalcoholindustry.Theremovaleffi-ciencyofwastewaterwillreachmorethan70%withaluminumsulfate,aluminumchlorideandcompounddecolorant.Buttheremovalefficiencyofchemicaloxygendemandisgenerallylowerthan65%andtheeffluentfailstomeetthenationaldischargecriteria.Keywords:physico-chemistrytreatment;colority;chemicaloxygendemand;sugarcanemolasseswastewater96　　　　　　　　　　　　　　　　　　　　　2004