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OALib Journal期刊
ISSN: 2333-9721
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淀粉改性sio2载体的预处理温度对其负载的铜基催化剂甲醇转化性能的影响
, PP. 1328-1335
Keywords: 二氧化硅,淀粉改性,铜基催化剂,预处理温度,甲醇转化,甲酸甲酯
Abstract:
？以淀粉为改性剂制备了淀粉改性的sio2载体(ssi),经不同温度(t)焙烧处理后再负载活性铜组分(10%,质量分数),获得一系列铜基催化剂(cu/ssi-t);采用tg、ft-ir、xrd、h2-tpr、sem和氮气吸附等技术对载体和催化剂进行了表征,并考察了其对甲醇低温转化反应催化性能。结果显示,淀粉的存在可以减缓载体表面硅羟基的脱除速度;载体表面硅羟基有利于铜物种的分散,从而提高催化剂的活性。不同预处理温度能调变载体表面硅羟基浓度、比表面积和孔结构,并对催化剂上铜物种的晶粒大小及其催化性能有显著的影响。
| [1] | 朱洪法.催化剂载体制备与应用技术[m].北京:石油工业出版社,2003:6-17.(zhuhong-fa.preparationandapplicationofcatalystcarrier[m].beijing:petroleumindustrypress,2003:6-17.)
|
| [2] | ilerrk.thechemistryofsilica,solubility,polymerization,colloid,andsurfacepropertiesandbiochemistry[m].newyork:wiley-interscience,1979:622-654.
|
| [3] | 史泰尔斯ab.催化剂载体与负载型催化剂[m].李大东,钟孝湘译.北京:中国石化出版社,1992:59-65.(stilesab.catalyticsupportandsupportedcatalyst[m].translida-zhong,zhongxiao-xiang.beijing:chemicalindustrypress,1992:59-65.)
|
| [4] | polshettiwarv,molnara.silica-supportedpdcatalystsforheckcouplingreactions[j].tetrahedron,2007,63(30):6949-6976.
|
| [5] | polshettiwarv,lenc.silica-supportedpalladium:sustainablecatalystsforcross-couplingreactions[j].coordchemrev,2009,253(21/22):2599-2626.
|
| [6] | pullukattj,hoffre.silica-basedziegler-nattacatalysts:apatentreview[j].catalrev-scieng,1999,41(3/4):389-428.
|
| [7] | 潘履让.固体催化剂的设计与制备[m].天津:南开大学出版社,1993:89-91.(panlv-rang.designandpreparationofsolidcatalysts[m].tianjin:nankaiuniversitypress,1993:89-91.)
|
| [8] | krijnp.synthesisofsolidcatalysts[m].weinheim:wiley-vchverlaggmbh&co.kgaa,2009:7-10.
|
| [9] | olahga.beyondoilandgas:themethanoleconomy[j].angewcheminted,2005,44(18):2636-2639.
|
| [10] | sás,silvah,brandol,sousajm,mendesa.catalystsformethanolsteamreforming-areview[j].applcatalb,2010,99(1/2):43-57.
|
| [11] | schraderj,schillingm,holtmannd,selld,filhomv,marxa,vorholtja.methanol-basedindustrialbiotechnology:currentstatusandfutureperspectivesofmethylotrophicbacteria[j].trendsbiotechnol,2009,27(2):107-115.
|
| [12] | basris,kamarudinsk,daudwrw,yaakubz.nanocatalystfordirectmethanolfuelcell(dmfc)[j].injhydrogenenergy,2010,35(15):7957-7970.
|
| [13] | kimhy,leehm,palargs,metiuh.oxidativedehydrogenationofmethanoltoformaldehydebyisolatedvanadium,molybdenum,andchromiumoxideclusterssupportedonrutiletio2(110)[j].jphysichemc,2009,113(36):16083-16093.
|
| [14] | minyukovatp,simentsovaii,khasinav,shtertsernv,baronskayana,khassinaa,yurievatm.dehydrogenationofmethanolovercopper-containingcatalysts[j].applcatal,a,2002,237(1/2):171-180.
|
| [15] | zhuravlevlt.concentrationofhydroxyl-groupsonthesurfaceofamorphoussilicas[j].langmuir,1987,3(3):316-318.
|
| [16] | zhuravlevlt.characterizationofamorphoussilicasurface[j].reactkinetcatallett,1993,50(1/2):15-25.
|
| [17] | wucc.adsorptionpropertyofsilicandioxidehybridstarchmaterialtodyes[j].environscitechnol,2011,34(9):162-165.
|
| [18] | 阮建明,王亚东,伍秋美,周忠诚.单分散球形sio2的制备及其分散体系的流变性能[j].中南大学学报自然科学版,2007,38(5):825-829.(uanjian-ming,wangya-dong,wuqiu-mei,zhouzhong-cheng.preparationofmonodispersesphericalsio2andrheologicalpropertyofitssuspension[j].journalofcentralsouthuniversity(scienceandtechnology),2007,38(5):825-829.)
|
| [19] | williamsdh,flemingi.有机化学中的光谱方法[m].王剑波,施卫峰译.北京:北京大学出版社,2001:23-44.(williamsdh,flemingi.spectroscopicmethodsinorganicchemistry[m].transwangjian-bo,shiwei-feng.beijing:pekinguniversitypress,2001:23-44)
|
| [20] | guerreiroed,gorrizof,rivarolajb,arruala.characterizationofcu/sio2catalystspreparedbyionexchangeformethanoldehydrogenation[j].applcatala,1997,165(1/2):259-271.
|
| [21] | guerreiroed,gorrizof,larseng,arruala.cu/sio2catalystsformethanoltomethylformatedehydrogenation-acomparativestudyusingdifferentpreparationtechniques[j].applcatala,2000,204(1):33-48.
|
| [22] | zhangr,sunyh,pengsy.dehydrogenationofmethanoltomethylformateovercuo-sio2gelcatalyst[j].reactkinetcatallett,1999,67(1):95-102.
|
| [23] | 张荣.铜基催化剂的表面结构和甲醇脱氢反应选择性的调控.太原:中国科学院山西煤炭化学研究所,1999(zhangrong.surfacepropertiesofcoppercatalystsandcontroloftheselectivityofmethanoldehydrogenation.taiyuan:instituteofcoalchemistry,cas,1999)
|
| [24] | takahashik,takezawan,kobayashih.mechanismofformationofmethylformatefromformaldehydeovercoppercatalysts[j].chemlett,1983,7:1061-1064.
|
| [25] | aim.dehydrogenationofmethanoltomethylformateovercopper-basedcatalysts[j].applcatal,1984,11(2):259-270.
|
| [26] | sodesawat,nagachom,onoderaa,nozakif.dehydrogenationofmethanoltomethylformateovercu-sio2catatystspreparedbyionexchangemethod[j].jcatal,1986,102(2):460-463.
|
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