超临界水在降解废弃物及资源化中的应用

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:20050428:(04JK307);(SLQ0321):(1963-),,,,,1,1,1,2,2(1.,723000;2.,710069):,,,,:;;;:TQ028:A:10067906(2005)05000403,,,,1672045980kJ/kg,[1],,,,,[24],[5,6]1(SupercriticalFluid,SCF)11,,,,,,:(1),,16%,RON112118,MON017116;22%24%c)FDFCC,,:1,,.FDFCC[J].,2004,35(8):6102,,.[P].,ZL92105596.X.19953,,.[J].,2003,23(2):1114©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2),,,;(3),,,[79]22.12.1.1(PE)TakehikoMoriya[10]2425,H2OPE=51,,10s120s,850120;,,,,7501102,85%90%,CH4,C2H6,C3H8C4H10,H2,,Su[11]460,1min,H2OPE=51,90%PE,MasaruWatanabe673693,2040MPa,530min,6cm3,,O2,[12],2.1.2(PS)Lilac[13]38224MPa,,89%97%,5%,3%[14,15],,,,30min,98%,,,5%,/2.2,40%,,,,ChenCO2[16],10310470%30%;,,2.3,,(),,[17,18],,10min,,;,0.05s,,,,,2.4Meng38028MPa[19]30min,5©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:3,,,,,,,,,,,,,,,,,:1,,.[J].,1997,37(4):4104132,,.[J].,1997,18(2):43453,.[J].,2004,(2):85904,.[J].,2003,29(9):11185,,.[J].,2002,(9):136,,.[J].,2004,20(2):65687JinFM,AtsushiK,TakehikoM,etal.KineticsofoxidationoffoodwasteswithH2O2insupercriticalwa2ter[J].SupercriticalFluids,2001,19(3):2512628LinKS,WangHP,LiMC.Oxidationof2,42dichlo2rophenolinsupercriticalwater[J].Chemosphere,1998,36(9):207520839,,.[J].,2002,22(1):172010TakehikoM,HeijiE.Characteristicsofpolyethylenecrackinginsupercriticalwatercomparedtothermalcracking[J].PolymerDegradationandStability,1999,65(3):37338611SuXL,ZhaoYL,ZhangR,etal.Investigationondegradationofpolyethylenetooilsinsupercriticalwater[J].FuelProcessingTechnology,2004,85(10):1249125812WatanabeM,MochidukiM,SawamotoS,etal.Partialoxidationofn2hexadecaneandpolyethyleneinsupercrit2icalwater[J].SupercriticalFluids,2001,20(3):25726613LilacWD,LeeSY.Kineticsandmechanismsofsty2renemonomerrecoveryfromwastepolystyrenebysu2percriticalwaterpartialoxidation[J].AdvancesinEn2vironmentalResearch,2001,6(1):91614,.[J].,1998,1(2):2515,,.PS[J].,1999,2(1):2516ChenDT,PermanCA,RiechertME,etal.Depoly2merizationoftireandnaturalrubberusingsupercriticalfluids[J].HazardousMaterials,1995,44(1):536017MitsuruS,KabyemelaB,MalaluanR,etal.Cellulosehydrolysisinsubcriticalandsupercriticalwater[J].Su2percriticalFluid,1998,13(3):26126818MinowaT,ZhenF,TomakoO.Cellulosedecomposi2tioninhotcompressedwaterwithalkaliornickelcata2lyst[J].SupercriticalFluid,1998,13(2):25325919MengLH,ZhangY,HuangYD,etal.Studiesonthedecompositionbehaviorofnylon266insupercriticalwa2ter[J].PolymerDegradationandStability,2004,83(3):3893936©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1.SchoolofChemicalEngineering,ZhengzhouUniversity,Zhengzhou450002,China;2.ResearchInstituteofPetrochemicalEngineeringTechnology,LPEC,Luoyang471003,China)Abstract:FDFCCtechnologyutilizesadual2riserreactionsystemtocontrolprocessresidueoilandtoupgradeFCCgasolineinseparateriserreactorsunderdifferentoperationconditions.Itcancost2effec2tivelydecreasetheolefinandsulfurcontentsincrackednaphthaandenhancepropyleneyieldbytheselectivecontrolofreactionssuchascrackingandhydrogentransfer.Theresultsofindustryapplicationshowthattheolefinvolumefractionincrackednaphthadroppedtolessthan16%,andsulfurmassfractionreduced22%24%.TheRONandMONincreasesto12units.MeanwhilethecapabilityofFCCtoproducepropyleneincreasedby2%3%.Keywords:FCC;Dual2rise;Cleangasoline;Propylene;FullscaleApplicationofsupercriticalwaterindegradationofwasteandresourcerecyclingGeHongguang1,ZhenBaoqin1,GuoXiaohua1,ZhaoSizhen2,ChenKaixun2(1.DepartmentofChemistry,ShanxiUniversityofTechnology,Hanzhong723001,China;2.CollegeofChemicalengineering,NorthwestUniversity,Xi’an710069,China)Abstract:Thecharacteristicofsupercriticalwaterandapplica2tionactualityofdegradationandresourcerecyclingofwasteplastics,wasterubber,andcellulose,etcarecompletelysummarized.Incomparisonwithtraditionalpyrolysis,thesupercriticalwatercanre2alizequickandhighefficientdegradationofpolymericwasteandthecompositionoftheproductcanbecontrolledbycontrolthecondi2tionsofdegradationreaction.Thismethodcanovercomesomeshort2comingoftraditionalrecoveryprocessesanditisapromisingprocessofwastetreatmentandresourcerecycling.Keywords:Supercriticalwater;Degradation;Waste;ResourcerecyclingTechnologyprogressforproductionofhigh2puritydicyclopentadienebydimerization2monomerizationWuJiangtao,BaoZonghong(CollegeofChemistryandChemicalEngineering,NanjingUniversityofTechnology,Nanjing210009,China)Abstract:Onthebasisofkineticparametersofthedimerizationandmonomerization,theinfluencesoftemperature,residencetimeandpressureontheselectivityandconversioninproductionofhigh2puritydicyclopentadienearereviewed.Theoptimaloperationcondi2tionsareensured.Newtechnologiestoraisethedimer