資源描述:
《多孔材料負(fù)載金催化劑的制備與應(yīng)用》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、第22卷第4期化學(xué)進(jìn)展Vol.22No.42010年4月PROGRESSINCHEMISTRYApr.,2010*多孔材料負(fù)載金催化劑的制備與應(yīng)用宋海巖李鋼王祥生(大連理工大學(xué)催化化學(xué)與工程系精細(xì)化工國(guó)家重點(diǎn)實(shí)驗(yàn)室大連116012)摘要本文綜述了微孔材料和介孔材料負(fù)載型金催化劑的制備、表征與應(yīng)用研究的最新進(jìn)展。從多孔載體的選擇(氧化物、微孔分子篩、介孔氧化物、介孔分子篩和介孔碳材料)、金的最新負(fù)載方法(沉積-沉淀法、溶膠-凝膠法、原位法/一步法和化學(xué)氣相沉積法)與表征及其催化性能(一氧化碳低溫氧化、氫氣/氧氣直接合成過氧化氫、直接
2、合成環(huán)氧丙烷和有機(jī)物的選擇性氧化)等方面詳盡地評(píng)述了微孔材料和介孔材料負(fù)載型金催化劑研究概況。同時(shí),提出了多孔材料負(fù)載金催化劑存在的一些問題,并展望了其研究和發(fā)展的方向。關(guān)鍵詞微孔載體介孔載體納米金制備催化中圖分類號(hào):O643.3;O614.2文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1005-281X(2010)04-0573-07PreparationandApplicationofPorousMaterialSupportedGoldCatalystsSongHaiyanLiGangWangXiangsheng(StateKeyLaborat
3、oryofFineChemicals,DepartmentofCatalyticalChemistryandEngineering,DalianUniversityofTechnology,Dalian116012,China)AbstractThisreviewoutlinesrecentdevelopmentofpreparation,characterizationandapplicationofmicroporousmaterialandmesoporousmaterialsupportedgoldcatalysts.Thes
4、electionofthemicroporoussupportsormesoporoussupports(unmodifiedoxides,microporousmolecularsieves,mesoporousoxides,mesoporousmolecularsievesandmesoporouscarbonmaterials),thelatestpreparationmethodsofporousmaterialsupportedgoldcatalysts(deposition-precipitation,sol-gelmet
5、hod,insitu/one-stepmethodandchemicalvapordeposition)andcharacterizations,aswellascatalyticperformance(carbonmonoxidelow-temperatureoxidation,directsynthesisofhydrogenperoxidefromhydrogenandoxygen,directpropyleneepoxidationinthepresenceofhydrogenandoxygenandselectiveoxid
6、ationoforganiccompounds)aresummarized.Meanwhile,theproblem,aswellastheresearchanddevelopmentdirectionofporousmaterialsupportedgoldcatalystsispresented.Keywordsmicroporoussupport;mesoporoussupport;goldnanoparticles;preparation;catalysis2.1SelectionofsupportContents2.2Pre
7、parationmethods1Introduction3Catalyticperformanceandapplicationofsupported2Preparationofporousmaterialsupportedgoldgoldcatalystscatalysts3.1COlow-temperatureoxidation收稿:2009年4月,收修改稿:2009年5月*高等學(xué)校全國(guó)優(yōu)秀博士學(xué)位論文作者專項(xiàng)資金項(xiàng)目(No.200346)、新世紀(jì)優(yōu)秀人才支持計(jì)劃項(xiàng)目(No.NCET-04-0270)、國(guó)家自然科學(xué)基金項(xiàng)目(No.2
8、0406005)和教育部留學(xué)回國(guó)人員科研啟動(dòng)基金項(xiàng)目資助Correspondingauthore-mail:liganghg@dlut.edu.cn·574·化學(xué)進(jìn)展第22卷3.2Directpropyleneepo