光助Fenton法处理含酚废水反应器的研制与实验

Fenton(,430056)Fenton.3min50mm1t0.3FentonX703.3A1673-0143200802-0039-04120~302Fenton.Fenton3FentonFenton4UV/FentonUV/Fenton.UV/FentonH2O2Fe2+OHH2O2OHOHH2O2OHOHOHCO2H2OUV/FentonH2O220080110(20015005064)(1967)36220086()JournalofJianghanUniversity(NaturalSciences)Vol.36No.2Jun.2008403657FentonCr85mm910Fenton113LOLL36W360mm50mm460mm6790110120140mm0~30V0~460rmin1110mm30mm1116Lh140Lh120082Fenton41Fenton2/Lh1/%(/min)8.5mm(67)30mm(110)45mm(140)1660.1(2.4)61.5(12.3)66.1(22)2458.2(1.6)64.8(8.2)69.6(14.7)4057.4(0.98)72.1(4.9)73.2(8.8)8058.2(0.49)69.6(2.5)71.6(4.4)12055.4(0.33)67.7(1.6)70.2(2.9)16054.9(0.24)66.6(1.2)68.9(2.2)10mm2.45mm,.8.5mm30mm45mm3min120Lh12.9t1t8.3h1t0.3.Fenton50mm3min[1].[J].199818(2)4-6.[2].[J].,1999(11)29-31.[3],,.[J].199918(1):19-21.[4],,.UV/Fenton-[J].,200424(4):280-283.[5].Fenton[J].,200735(3):34-37.[6],,.Fenton[J].,200325(4):23-32.[7],,.[J].,200331(1):34-37.[8],.[J].200122(4):123-127.[9],.[J].,200720(3):7-10.[10]GIANLC,LIPM,POLY.Anovelfountainphotoca-tcalyticreactor:modeldevelopmentandexperimentalva-lidation[J].ChemicalEngineeringScience,200156:2733-2744./rmin1/%16Lh112.3min40Lh14.9min061.572.17568.473.915071.071.222569.173.330069.772.637070.371.44236ZHANGJian-qiLIZhong-mingLUQianLIUQiong-yu(SchoolofChemistryandEnvironmentalEngineering,JianghanUniversity,Wuhan430056,China)Thetreatmentofphenol-containingwastewaterbyUV/Fentonoxidationprocesshasseveralshortcomings,suchasslowprocessesspeedandpoortransmittance.InordertoimproveUV-efficiencyandequipmentcapacity,reducecost,asmallsimplephoto-oxidationreactorwasdevelopedwhichfittedthedemandsofexperiment.Theexperimentshow:thereactionsystemhasstrongerdiffusioneffect,lowdisturbancerequirementbymethodsofhigh-rateflow,high-speedofmaterialtangentiallyfeeding,shellinnerreinforcements.Thereactionresidenttimeis3min,theUVeffectivedepthisabove50mm.Theelectricenergyconsumptionforthetreatmentofonetonofthewastewaterislessthan3kWh.fentonreagentphoto-oxidationwastewatertreatmentreactor()38WANGJin-huang,FENGFei(SchoolofChemistryandEnvironmentalEngineering,JianghanUniversity,Wuhan430056,China)Theextractionofgeneralflavonoidsfromsweetpotatostemwithethanolwasin-vestigated.Researchestheinfluencefactorstotheextractionofgeneralflavonoids.Theoptimumtechnologicalparametersofextractinggeneralflavonoidsareasthefollowing:theconcentrationofethanol,theextracttemperature,theratioofsolidtoliquidandextractingtimeare50%,80,120and3hours,respectively.Theextractionyieldofgeneralflavonoidsundertheconditionsis74.6%.sweetpotatostem;flavonoids;extractionrate;ethanol()