搜索
,,,(,430074)[];,;[];;;[]X703.1[]A[]100621878(2001)0220079205(SCWO),,,SCWO1995SCWO,SCWO(governmentwastes)[1]PaulW.Hart:SCWO,[2]SCWO1,,,,,,,374,22.1MPa,1[]2000201227;[]2000204207[](1975-),,,,,1999,7(2):103108.[15],.[J].,2000,32(2):7880.TechnologyforTreatmentofWastewaterfromCitricAcidProductionXUYi2shan(EnoironmentalprotectionResearchInstitute,BRICI,SINOPEC,Beijing100013,China)Abstract:Thesourcesandcharacteristicsofthewastewaterfromcitricacidproductionaredescribed.Theapplicationofthetreatmentprocesses,suchasanaerobicbiologicalprocess,anaerobic2aerobicbiologicalcombinedprocess,emulsionliquidmembraneprocessinthetreatmentofthewastewaterarereviewed.Thetechnologiesforrecyclingtheneutralizedwastewaterandpreparationofsaccharifyingenzymefromthespentfermentationliquorarepresented.Keywords:citricacid;wastewater;wastewatertreatment972001212,:1ö25450450öMPa12713.678.51.81.0ö(mgL-1)8ö(gcm-3)0.9980.1280.00419öcp0.8900.02982.6510-5ö(cm2s-1)7.7410-67.6710-41.7910-3,,78.5,500,2,,,,400500,NaCl10-4göL[3],10-14,50025MPa,0.1göcm3,10-21,,,,,2SCWO,,SCWO:(1)SCWO,,,,99%[4](2)CO2H2O,[5](3)1%2%,SCWO(WAO)22SCWOWAO[2]SCWOWAOö40050015035020003000ö(105Pa)30040020200ömin1152010ö%99.99759099.99NOxSCWO,BZ,CO2H2O,SCWO3SCWOModellSCWO1()SCWO,,,,Thornton[6]1SCWO4SCWO08HUAGONGHUANBAO20012124.1,,SCWO,,,3[7]SCWOWAO,Ding[8],SCWO,V2O5öAl2O3Cr2O3öAl2O3Frish[9],PtöAl2O3,PtBakerElliott[10,11],,NiöAl2O33ööMPaö(mgkg-1s-1)Al2O341827.67.3116.741827.61.94.32,4241827.63.0449.7PtöAl2O341827.67.3326.741827.61.9499.0Cr2O339024.1148.076.739024.194.847.31,3239024.1233.5503.5MnO2öCeO241827.67.323.245027.6060039024.1148.0462.4TiO241827.67.3223.341827.61.998.3PtöTiO241827.67.3326.641827.61.9499.0ZrO241827.67.325341827.61.926.3V2O539024.1148.0263.639024.194.8465.31,3239024.1233.5Ding[7]SCWOMatjaz[12]SCWO,SCWO,,,4.2,Na+H+Cl-F-NH4+,Gloyna[13],300,;400,Fill[14],X2CrNiMo18210X5CrMo1721222X5CrNi18210342;0.3%6%(600,25MPa),31651.5182001212,:mmöaBoukis[1517]50037MPaInconel2625150h,,,,Zilberstein[18],(625,715,C2276,750),;,,60025MPa,ZrOAl2O3Boukis[16],46525MPa0.44molökg0.005molökg,BNB4CTiB2Y2O3;SiCSi3N490%;Al2O3ZrOMana2han[19],OH-SCWOSCWO,,5SCWOSCWO,Sudhir[20]SCWO,,,,SCWO4,SCWOWAO4öö()1.650.090.4SCWO()2.010.180.461.920.0650.26()0.261.17()1.943.89()WAO()2.35SCWO,:,99.99%;,;;,(2%),;,CO2H2O;1985,Modar950L10%SCWO,1995,EWT(EcoWasteTechnologies)AustinSCWO,;Austin5tSCWO1997,33kL1999,Chematur4Lömin,EWT,SCWOSCWO,,[][1]CaruanaC.M.PhotocatalystsAimtoMakeLightWorkofPollutionCleanup[J].ChemicalEngineeringProgress,1995(2):1120.[2],,,.[J].,1997,(3):3944.[3]MarshallW.L.,FrantzJD.HydrothermalExperimen2talCondition[M].UlmerGC,BarnesH.L.NewYork,JohnWiley&Sons,1987:139.[4]Modell.M.ProcessingMethodsfortheOxidationofOrganicsinSupercriticalWater[P].UnitedStatesPatents:4543190,1985.[5]Price.C.M.WetOxidationofHumanWaste[D].De2partmentofChemicalEngineering,MIT,Cambridge,MA,1982.[6]ThorntonT.D.,LaDueD.E.,SavageP.E..PhenolOxidationinSupercriticalWater:FormationofDiben2zofuran,Dibenzo2p2dioxinandRealatedCompounds[J].EnvironmentalScienceTechnology,1991,(25):15071510.[7]Ding,Z.Y.,Frisch,M.A.etal..CatalyticOxidationinSupercriticalWater[J].IndustrialEngineeringChem228HUAGONGHUANBAO2001212istryResearch,1996,(35):32573279.[8]Ding,Z.Y.,Aki,S.N.V.K.,Abraham,M.A..CatalyticSupercriticalWaterOxidation:PhenolCon2versionandProductSelectivity[J].EnvironmentalScienceTechnology,1995,(29):2748.[9]Frisch,M.A.,Li,L.,GloynaE.F..CatalystsEvalua2tionofAceticAcid:SupercriticalWaterOxidationProcess[C].InProceedingsof49thAnnunalPurdueU2niversityIndustrialWastewaterConference.Purdue,IN,1994.[10]Baker,E.G.,Seaklock,L.J.,Butner,R.S.etal..CatalyticDestructionofHazardousOrganicsinAqueousWastes:ContinuousReactorSystemEx2periments[J].Hazard.WasteHazard.Mater.1989,(6):87.[11]Elliott.D.C.,Seaklock,L.J.,Baker,E.G..ChemicalProcessinginHigh2PressureAqueousEnvironments.2.DevelopmentofCatalystsforGasification[J].In2dustrialEngineeringChemistryResearch,1993,(32):1542.[12]Matjaz,K.,Janez,L..TheRoleofCatalystinSuper2criticalWaterOxidationofAceticAcid[J].AppliedCatalysisB:Environ.1997,(13):93103.[13]GloynaE.F.,Li,L.,Mc.BrayerR.N..EngineeringAspectsofSupercriticalWaterOxidation[J].WatercienceTechnology,1994,30(9):110.[14]Fill,C.,Tilrscher,H..MaterialsandCorrosion,1997,48(3):146.[15]Boukis,N.Corrosion‘97:PaperNo.10[C].March,10214,1997,NewOrleans,LA,USA.[16]Boukis,N.etal..Eurocorro‘97:Vol.l[C].Trond2heim,Norway,Sept.2225.1997.[17]Boukis,N.etal..CorrosionScreeningTestingofHigh2PerformanceCeramicsinSupercriticalWaterCandHydrochloricAcid[J].J.EuropeanCeramicSociety,1997,17(1):7177.[18]Zilberstein,V.A..Corrosion‘95:PaperNo.558[C],March,26231,1995,Orlando,FL,USA.[19]Manahan,M.P.Sr.,Macdonald,D.D..Determina2tionoftheFateoftheCurrentintheStressCorro2sionCrackingofSensitizedType304ssinHighTemperatureAqueousSystemCorrosionScience.1995,37(1):189208.[20]AkiSNVK,AbrahamM.A..AnEconomicEvalua2tionofCatalyticSupercriticalWaterOxidation:Com2parisonwithAlternativeWasteTreatmentTech2nologies[J].EnvironmentalProgress,1998,17(4):246255.ProgressinSupercriticalWaterOxidat