制备了一系列用过渡金属M(M=Pt,Co,Ni,Mn,Fe,Cu)活化的WO3/ZrO2固体强酸催化剂,用XRD,DTA-TG,H2-TPR,NH3-TPD等测定了其晶型结构、表面状态和酸量.结果表明,各样品中的ZrO2主要以T晶相存在,但T晶相ZrO2所占的比例因过渡金属不同而异,比表面积比WO3/ZrO2稍有下降;金属Pt的引入使呈单层分散的WO3的表面状态发生了改变.研究了异丁烷/丁烯烷基化反应,其反应活性与酸量的测定结果有对应关系;与WO3/ZrO2相比,M-WO3/ZrO2上的丁烯转化率均稍有下降,但具有更高的i-C08选择性.从反应机理分析了添加过渡金属无显著效果的原因.
参考文献
| [1] | 孙闻东,赵振波,楚文玲,郭川,叶兴凯,吴越.WO3/ZrO2固体强酸催化剂上异丁烷-丁烯烷基化反应研究（Ⅰ）--钨负载量和焙烧温度的影响[J].高等学校化学学报,2000(03):448-452. |
| [2] | Corma A;Juan-Rajadell M I;Lopez-Nieto J M et al.[J].Applied Catalysis A:General,1994,111(02):175. |
| [3] | Yori J C;Parera J M .[J].Applied Catalysis A:General,1996,147(01):145. |
| [4] | Song X;Sayari A .[J].Catalysis Review-Science and Engineering,1996,38(03):329. |
| [5] | Vaudagna S R;Canavese S A;Comelli R A et al.[J].Applied Catalysis A:General,1998,168(01):93. |
| [6] | Larsen G;Lotero E;Parra R D .[J].Studies in Surface Science and Catalysis,1996,101:543. |
| [7] | Momose H;Kusumoto K;Izumi Y et al.[J].Journal of Catalysis,1982,77(01):23. |
| [8] | Iglesia E;Barton D G;Soled S L et al.[J].Studies in Surface Science and Catalysis,1996,101:533. |
| [9] | Hurst N W;Gentry S J;Jones A .[J].Catalysis Review-Science and Engineering,1982,24(02):233. |
| [10] | Dejong KP.;Peferoen DGR.;Vanbrugge PTM.;Degroot C.;Mesters CMAM. .PARAFFIN ALKYLATION USING ZEOLITE CATALYSTS IN A SLURRY REACTOR - CHEMICAL ENGINEERING PRINCIPLES TO EXTEND CATALYST LIFETIME[J].Chemical Engineering Science,1996(10):2053-2060. |
| [11] | Hollstein E J;Wei J T;Hsu C Y .[P].USP 4918041,1990. |
| [12] | Hsu C Y;Heimbuch C R;Armes C T.[J].Journal of the Chemical Society,Chemical Communications,1992(22):1645. |
| [13] | Lin C H;Hsu C Y.[J].Journal of the Chemical Society,Chemical Communications,1992(20):1479. |
| [14] | Jatia A;Chang C;MacLeod J D et al.[J].Catalysis Letters,1994,25(1/2):21. |
| [15] | Cheung T K;d'Itri J L;Gates B C .[J].Journal of Catalysis,1995,151(02):464. |
| [16] | Hino M;Arata K .[J].Catalysis Letters,1995,30(1-4):25. |
| [17] | Coelho M A;Resasco D E;Sikabwe E C et al.[J].Catalysis Letters,1995,32(3/4):253. |
| [18] | Adeeva V.;Janchen J.;Lei GD.;Schunemann V.;Vandeven LJM. Sachtler WMH.;Vansanten RA.;Dehaan JW. .ACID SITES IN SULFATED AND METAL-PROMOTED ZIRCONIUM DIOXIDE CATALYSTS[J].Journal of Catalysis,1995(2):364-372. |
| [19] | Tabora J E;Davis R J .[J].Journal of the Chemical Society,Faraday Transactions,1995,91(12):1825. |
| [20] | Weitkamp J;Traa Y .[J].Catalysis Today,1999,49(1-3):193. |
| [21] | Iglesia E;Soled S L;Kramer G M .[J].Journal of Catalysis,1993,144(01):238. |
| [22] | Soled S L;Iglesia E;Kramer G M .[J].Studies in Surface Science and Catalysis,1994,90:531. |
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