表面活性剂生物降解和光降解技术研究进展

1920028FINECHEMICALSVol.19,Suppl.Aug12002(,050017):;;:;;;;:TQ42319:A:1003-5214(2002)S0-0113-04,[14],:,,,,,,,CO2NH3H2O:(1):,;(2):;(3):()CO2NH3H2O,,pH,1,;,;,:,,,(AES)2(AOS)(LAS),90%[2],,,LAS,80%,:2002-05-20©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.20%[1]31.1,,,pH,,,,()(),,,pH,,1.2,,[3]LAB,BiologMicrostationIdenticationSystem(Corynebacteriumjeikeium),(SIM)01807,(CorynebacteriumjeikeiumG26)700mg/LLASLASpH=71030,LAS400mg/L,24h,9817%10[5](PlesiomonasSP.)(XanthomonasSP.)[6](BcillusSP.)(AlcaligenesSP.)LAS,LAS50mg/L400mg/L,1.3,,,,,,(PseudomonasSP.AlealigenesSP.PseudomonasSP.),,,,[7]ChapalamaduguPseudomanassSPP.50552PseudomonassPP.50581,50581N22,505522CO2,;BeaubienXanthomonasSP.PlesiomonasSP.,2,30[813],,CO2H2OHidaka[8]LAS(BDDAC)TiO2,,LangmuiK2HinshelwoodK,K,TiO23:(1)TiO2;(2)TiO2/(e-/h+),(Ar)(Ar+);(3)Ar+,,CO2[2,8][9]5TiO2,,pH[10]pHLAS,TiO2,TiO2H2O2Cu+,,pH411FINECHEMICALS19©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,:2.1100400nm,180380nm1%3%(300400nm)[11,12],388nm,[(185nm)],[13](DBS),DBS2.2,TiO2TiO2:;;pHTiO2,TiO2:TiO2Masakazu[14],TiO2,,,10nm:TiO2,,,,[15,16]2.3,,,2.3.1[17]LAS,K2S2O8,CODCr60%2.3.2,,3(1),,,,,,(2)TiO2,,,,,(3),,:[1],.[J].,2000,30(4):22-23.[2],,,.[J].,2001,31(5):32.[3],,.(LAS)[J].,2002,29(1):1.[4]HidakaHisao,ZhaoJincai.Photodegradationofsurfactantscatalyzedbyatitaniasemconductor[J].ColloidsSurf,1992,67:165-182.[5],.LAS[J].,1991,(3):2-6.[6],,.[J].,1995,21(4):103.[7],,.[J].,2001,28(3):92-95.[8]HisaoHidaka,JincaiZhao.Photodegradationofsurfactants.8.comparisonofphotocatalyticprocessesbetweenanionicsodiumdodecylbenzenesulfonateandcationicbenzyldodecyldimethyl2ammoniumchlorideontheTiO2surface[J].JPhysChem,1992,96:2226-2230.[9],,,.[J].,1991,19(1):9-13.[10],.[J].,1994,15(6):1-3.[11],.[J].,1999,12(2):114-116.[12],.[J].,2001,23(5):31-32.[13],,,.(DBS)[J].,1986,5(5):55-59.[14]MasakazuAJ.PhotocatalytichydrogenationofCH3CCHwithH2Oonsmall2particleTiO2:sizequantizationeffectsandreactionintermediates[J].PhysChem,1987,91:4305-4310.[15],,.[J].,1996,16(4):406.[16],,.[J].,1997,5(3):1-3.(128)511:©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.310%,,,,:310%;m(CH2CHCOOC2H5)m(C6H5CHCH2)=1100001229;:85;3h;015h;pH=810;:,:[1],,,.[M].:,1977.4.[2].[M].:,1992.4.[3],,.[M].:,1996.[4].[M].:,1994,4.:(1961-),,1983,,,,,,,:0419-2127338ApplicationofOctanoltoPolymerizationofSoaplessLatexWANGLi2ming(DepartmentofChemicalEngineering,LiaoyangCollegeofVocationolTechnique,Liaoyang111004,China)Abstract:Volatileorganiccompoundoctanolwasaddedtosoaplesslatexduringpolymerizationinordertoincreasethecapabilityandstabilityofthelatex.Factorsaffectingthesynthesisofsoaplesslatexwerestudiedindetail,andtheoptimumconditionswereobtained.Dosageofoctanolwas310%ofthemonomers;m(CH2CHCOOC2H5)m(C6H5CHCH2)=101229.Octanolwasmixedwiththemonomersandtheemulsifierwithwater.Copolymerizationwasconductedat85for3hatfirst,andthenforapost2polymerizationtime015h.pHofthelatexwasadjustedto810.Experimentalresultsindicatedthatmultipleuseofvolatileorganiccompoundandsmallamountofemulsifiernotonlyincreasedthestabilityoftheemulsionbutalsoimprovedthecapabilityofthepolymeremulsion,especiallythefrozenblend.Keywords:volatileemulsifier;polymerizationofsoaplesslatex(115)[17].[J].,2000,22(5):13-15.:(1979-),,98,:0311-5815862ProgressinTechniqueofBiodegradationandPhotodegradationofSurfactantsYANGLi2juan(BasicMedicineCollege,HebeiMedicalUniversity,Shijiazhuang050017,China)Abstract:Biodegradationandphotodegradationofsurfactantsarenowarousingmoreandmoreinterest.Acomprehensivedescriptionofrecentstudiesandresearchresultsonthesetwomethodswaspresentedinthispaper.Thecatalystsandtechnologycombinationforphotodegradationmethodofsurfactantsdevelopedinrecentyearswerebrieflyintroduced.Finally,furtherresearchorientationswerealsoprospected.Keywords:surfactant;biodegradation;photodegradation;biotreatment;organicpollutants821FINECHEMICALS19©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.