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OALib Journal期刊
ISSN: 2333-9721
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productionofdimethylether(dme)asacleanfuelusingsonochemicallypreparedcuoand/orzno-modifiedγ-aluminacatalysts
, PP. 350-356
Keywords: ultrasonication,methanol,dme,&gamma,-al2o3,cuo,zno
Abstract:
？thecatalyticconversionofmethanoltodimethylether(dme)wasstudiedovercuo/al2o3,zno/al2o3andzno-cuo/al2o3nanocatalystspreparedinpresenceorabsenceofultrasonicirradiation.thecatalystswerecharacterizedbyx-raydiffraction(xrd),surfacecharacterizationmethod(bet),scanningelectronmicroscope(sem),h2-temperatureprogrammedreduction(h2-tpr)andtemperatureprogrammeddesorptionofammonia(nh3-tpd).theexperimentalresultsshowthatduringcatalyticdehydrationofmethanoltodimethylether,theactivitiesofthecuo/al2o3,zno/al2o3andzno-cuo/al2o3catalystspreparedusingultrasonictreatmentaremuchhigherthanthosepreparedinabsenceofultrasonication.semshowsthattheuseofultrasonicationresultsinmuchsmallernanoparticles.betandxrdshowthattheultrasonicationincreasesthesurfaceareaandporevolumeofthecatalysts.h2-tprprofilesindicatedthatreducibilityofthesonicatednanocatalystsiscarriedoutatlowertemperatures.nh3-tpdshowsthatultrasoundirradiationhasenhancedtheacidityofthenanocatalystandhenceenhancedcatalyticperformancefordmeformation.
| [1] | fleischth,basua,gradassimj,masinjg.dimethylether:afuelforthe21stcentury[j].studsurfscicatal,1997,107:117-125.
|
| [2] | semelsbergerta,boruprl,greenehl.dimethylether(dme)asanalternativefuel[j].jpowersources,2006,156(2):497-511.
|
| [3] | vishwanathanv,junkw,kimjw,rohhs.vapourphasedehydrationofcrudemethanoltodimethyletheroverna-modifiedh-zsm-5catalysts[j].applcatala:gen,2004,276(1/2):251-256.
|
| [4] | caigy,liuzm,shirm,hecq,yanglx,suncl,changyj.lightalkenesfromsyngasviadimethylether[j].applcatala:gen,1995,125(1):29-38.
|
| [5] | xumt,goodmandw,bhattacharyyaa.catalyticdehydrationofmethanoltodimethylether(dme)overpd/cab-o-silcatalysts[j].applcatala:gen,1997,149:303-309.
|
| [6] | kimsd,baeksc,leeyj,junkw,kimmj,yoois.effectofγ-aluminacontentoncatalyticperformanceofmodifiedzsm-5fordehydrationofcrudemethanoltodimethylether[j].applcatala:gen,2006,309(1):139-143.
|
| [7] | vishwanathanv,rohhs,kimjw,junkw.surfacepropertiesandcatalyticactivityoftio2-zro2mixedoxidesindehydrationofmethanoltodimethylether[j].catallett,2004,96(1/2):23-28.
|
| [8] | maods,yangwm,xiajc,zhangb,songqy,chenql.highlyeffectivehybridcatalystforthedirectsynthesisofdimethyletherfromsyngaswithmagnesiumoxide-modifiedhzsm-5asadehydrationcomponent[j].jcatal,2005,230(1):140-149.
|
| [9] | baltesc,vukojevics,schüthf.correlationsbetweensynthesis,precursor,andcatalyststructureandactivityofalargesetofcuo/zno/al2o3catalystsformethanolsynthesis[j].jcatal,2008,258(2):334-344.
|
| [10] | behrensm.meso-andnano-structuringofindustrialcu/zno/al2o3catalysts[j].jcatal,2009,267(1):24-29.
|
| [11] | yanggh,tsubakin,shamotoj,yoneyamay,zhangy.confinementeffectandsynergisticfunctionofh-zsm-5/cu-zno-al2o3capsulecatalystforone-stepcontrolledsynthesis[j].jamchemsoc,2010,132(23):8129-8136.
|
| [12] | [jp2]aboul-fotouhsmk.effectofultrasonicirradiationand/orhalogenationonthecatalyticperformanceofγ-al2o3formethanoldehydrationtodimethylether[j].jfuelchemtechnol,2013,41(9):1077-1084.
|
| [13] | aboul-gheitak.acidsitestrengthdistibutioninmordenitesbydifferentialscanningcalorimetry[j].jcatal,1988,113(2):490-496.
|
| [14] | aboul-gheitak.effectofdecationationanddealuminationofzeoliteyonitsacidityasassessedbyammoniadesorptionmeasuredbydifferentialscanningcalorimetry(dsc)[j].thermochimacta,1991,191(2):233-240.
|
| [15] | freelj.chemisorptiononsupportedplatinum:ⅰ.evaluationofapulsemethod[j].jcatal,1972,25(1):139-148.
|
| [16] | rezaeim,alavism,sahebdelfars,yanzf.tetragonalnanocrystallinezirconiapowderwithhighsurfaceareaandmesoporousstructure[j].powedertechnol,2006,168(2):59-63.
|
| [17] | khoshbinr,haghighim.directsyngastodmeasacleanfuel:thebeneficialuseofultrasoundforthepreparationofcuo-zno-al2o3/hzsm-5nanocatalyst[j].chemengresdes,2013,91(6):1111-1122.
|
| [18] | xias,nier,lux,wangl,chenp,houz.hydrogenolysisofglycerolovercu0.4/zn5.6-xmg<em>xal2o8.6catalysts:theroleofbasicityandhydrogenationspillover[j].jcatal,2012,296:1-11.
|
| [19] | nier,leih,pans,wangl,feij,houz.core-shellstructuredcuo-zno@h-zsm-5catalystsforcohydrogenationtodimethylether[j].fuel,2012,96:419-425.
|
| [20] | feij,yangm,houz,zhengx.effectoftheadditionofmanganeseandzinconthepropertiesofcopper-basedcatalystforthesynthesisofsyngastodimethylether[j].energyfuels,2004,18(5):1584-1587.
|
| [21] | yangm,meny,lis,cheng.hydrogenproductionbysteamreformingofdimethyletheroverzno-al2o3bi-functionalcatalyst[j].intjhydrogenergy,2012,37(10):8360-8369.
|
| [22] | nasikinm,wahida.effectofultrasonicduringpreparationoncu-basedcatalystperformanceforhydrogenationofco,tomethanol[j].ajche,2005,5(2):111-115.
|
| [23] | feijh,houzy,zhub,louh,zhengxm.synthesisofdimethylether(dme)onmodifiedhyzeoliteandmodifiedhyzeolite-supportedcu-mn-zncatalysts[j].applcatala:gen,2006,304:49-54.
|
| [24] | yaripourf,baghaeif,schmidti,perregaardj.catalyticdehydrationofmethanoltodimethylether(dme)oversolid-acidcatalysts[j].catalcommun,2005,147(6):147-152.
|
| [25] | kimsm,leeyj,baejw,potdarhs,junkw.synthesisandcharacterizationofahighlyactivealuminacatalystformethanoldehydrationtodimethylether[j].applcatala:gen,2008,348(1):113-120.
|
| [26] | zhangyl,sunq,dengjf,wud.ahighactivitycu/zno/al2o3catalystformethanolsynthesis:preparationandcatalyticproperties[j].applcatala:gen,1997,158(1/2):105-120.
|
| [27] | [jp2]reubroycharoenp,vitidsantt,yoneyamay,tsubakin.developmentofanewlow-temperaturemethanolsynthesisprocess[j].cataltoday,2004,89(4):447-454.
|
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