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 Wysłany: Śro 19:27, 06 Kwi 2011 Temat postu: New solid acid catalyst preparation _377 SO4 ^ 2-A |
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New solid acid catalyst preparation SO4 ^ 2-/Al2O3-Al
7] [8] [9] [1o] KondoK, KawanishiT, IkenagaN,[link widoczny dla zalogowanych], eta1. Aluminaplate-loadedrutheniumcatalystforcoalliquefaction [J]. Fuel, 2001.8O :1015-1020. LinsmeierC, KnozingerH, TaglauerE. Ionscat-teringandAugerelectronspectroscopyanalysisofalumina-supportedrhodiummodelcatalysts [J]. SurfaceScience ,1992,275:101-ll3. ArataK. HinoM. SolidcatalysttreatedwithanionXV Ⅲ. Benzoylationoftoluenewithbenzoy1chlo-rideandbenzoicanhydridecatalysedbysolidsu-peracidofsulfate-supportedalumina [j]. App1. Cata1. , L990, 59: l97-204. YamaguchiT. Recentprogressinsolidsuperacid [J]. App1. Cata1. , 1990,61: l A 25. PreparationofanewsolidacidcatalystSO; a / AI203 a AYUHui-shen ', SHIHong-ren, DUChang-hai, HEYan-feng (1_SchoolofChemicalEngineering.ChangchunUniversityofTechnology, Changchun130012.Chinal2.ChangchunNonganPetrochemicalFactOry, Chsngchun130200.China) Abstract: AnewsolidacidcatalystwaspreparedbysupportingS0 a ontoathinaluminafilmthathadbeenformedbyanodicoxidationofhigh-purityaluminiumfoils. ThecharactersofthepreparedcatalystwerefiguredoutinthetermofBET, XRayDiffraction (XRD) andXPhotoelectronSpeclra (XPS). Theresultshowedthatspecificsurfaceareaofthecatalystwasmuchsmallerthanthatoftheoxidewhichhadnotundergonethesulfatetreatment. XRayDiffraction (XRD) demonstratedthesupporterAlzO3layerwasinamorphousconfigurationandthestructureofthecatalystwasnotchangedafterloadingSO: one. X-rayPhotoelectronSpectroscopy (XPS) showedthecatalystsurfaceiscomposedofS0j-andA12O3. Thecatalystalsoshowedhigheractivityforesterificatlon. Keywords: S0: A / Al203 a A1solidacid; catalyst; preparation; anodicoxidation.
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