以TiO2-SiO2复合氧化物气凝胶为载体,制备了一系列Ni/TiO2-SiO2催化剂,并采用N2物理吸附-脱附、H2程序升温还原/脱附、X射线衍射及原位漫反射傅里叶变换红外光谱等技术对催化剂进行了表征,考察了载体中钛含量对催化剂结构、表面性质及其催化顺酐液相选择加氢合成γ-丁内酯反应性能的影响.结果表明,较小的Ni0晶粒有利于γ-丁内酯的生成.在催化剂活性组分的还原过程中,随着载体中钛含量的增加,越米越多的TiO2被还原为TiOx(x＜2)物种.Ni0晶粒和TiOx物种的协同作用影响了催化剂的羰基加氢性能；当较小的Ni0晶粒匹配合适的TiOx物种时,催化剂表现出较高的羰基加氢活性.
参考文献
| [1] | Jung S M;Godard E;Jung S Y;Park K C Choi J U .[J].Catalysis Today,2003,87:171. |
| [2] | Hu T J;Yin H B;Zhang R C;Wu H X Jiang T S Wada Y J .[J].Catalyst Communication,2007,8:193. |
| [3] | Herrmann U;Emig G .[J].Industrial and Engineering Chemistry Research,1997,36:2885. |
| [4] | Pillai U R;Sahle-Demessie E.[J].Chemical Communications,2002:422. |
| [5] | Zhang D Z;Yin H B;Ge C;Xue J J Jiang T S Yu L B Shen Y T .[J].Journal of Industrial and Engineering Chemistry,2009,15:537. |
| [6] | Gao C G;Zhao Y X;Liu D Sh .[J].Catalysis Letters,2007,118:50. |
| [7] | 赵永祥,武志刚,许临萍,张临卿,刘滇生,徐贤伦.前驱物对NiO/SiO2气凝胶催化剂性能的影响[J].化学学报,2002(04):596-599. |
| [8] | 赵永祥,秦晓琴,侯希才,徐贤伦,刘滇生.镍基催化剂的制备、表征及选择加氢性能[J].物理化学学报,2003(05):450-454. |
| [9] | Gao Ch G;Zhao Y X;Zhang Y;Liu D Sh .[J].Journal of Sol-Gel Science and Technology,2007,44:145. |
| [10] | 李海涛,陈昊然,张因,高春光,赵永祥.炭包覆氧化铝负载镍催化剂的制备和表征及其催化加氢性能[J].催化学报,2011(01):111-117. |
| [11] | 杨燕萍;张因;李海涛;高春光 赵永祥 .[J].分子催化,2011,24:499. |
| [12] | Takanabe K;Nagaoka K;Nariai K;Aika K I .[J].Journal of Catalysis,2005,232:268. |
| [13] | Xu J;Sun K P;Zhang L;Ren Y L Xu X L .[J].Catalyst Communication,2005,6:462. |
| [14] | Shen W J;Okumura M;Matsumura Y;Haruta M .[J].Applied Catalysis A:General,2001,213:225. |
| [15] | Reyes P;Rojas H;Pecchi G;Fierro J L G .[J].Journal of Molecular Catalysis A:Chemical,2002,179:293. |
| [16] | Xiong J;Chen J X;Zhang J Y .[J].Catalyst Communication,2007,8:345. |
| [17] | 尹红伟,陈吉祥,张继炎.焙烧及还原温度对对硝基苯酚加氢合成对氨基苯酚Ni/TiO2催化剂性能的影响[J].催化学报,2007(05):435-440. |
| [18] | Gao X T;Wachs I E .[J].Catalysis Today,1999,51:233. |
| [19] | Zhao Y X;Xu L P;Wang Y Z;Gao C G Liu D Sh .[J].Catalysis Today,2004,93-95:583. |
| [20] | Lázaro M J;Echegoyen Y;Alegre C;Suelves I Moliner R Palacios J M .[J].International Journal of Hydrogen Energy,2008,33:3320. |
| [21] | Maity S K;Rana M S;Bej S K;Ancheyta-Juárez J Dhar G M Prasada Rao T S R .[J].Catalysis Letters,2001,72:115. |
| [22] | Rana M S;Maity S K;Ancheyta J;Dhar G M Prasada Rao T S R .[J].Applied Catalysis A:General,2003,253:165. |
| [23] | 杨晓光,董鹏,周亚松,刘涛,张静,谢亚宁,胡天斗.钛硅复合氧化物局域结构的研究[J].物理化学学报,2005(01):33-37. |
| [24] | Hadjiivanov K;Mihaylov M;Abadjieva N;Klissurski D .[J].Journal of the Chemical Society,Faraday Transactions,1998,94:3711. |
| [25] | Panagiotopoulou P;Kondarides DI .Effects of alkali additives on the physicochemical characteristics and chemisorptive properties of Pt/TiO2 catalysts[J].Journal of Catalysis,2008(1):141-149. |
| [26] | Bradford MCJ.;Vannice MA. .CO2 reforming of CH4 over supported Pt catalysts[J].Journal of Catalysis,1998(1):157-171. |
| [27] | Dandekar A;Vannice M A .[J].Journal of Catalysis,1999,183:344. |
| [28] | Casta(n)o P;Pawelec B;Fierro J L G;Arandes J M Bilbao J .[J].Fuel,2007,86:2262. |
| [29] | Braos-García P;García-Sancho C;Infantes-Molina A;Rodríguez-Castellón E Jiménez-López A .[J].Applied Catalysis A:General,2010,381:132. |
| [30] | Pillai U R;Sahle-Demessie E;Young D .[J].Applied Catalysis B:Environmental,2003,43:131. |
| [31] | Wang Q;Cheng H Y;Liu R X;Hao J M Yu Y C Zhao F Y .[J].Catalysis Today,2009,148:368. |
| [32] | Wang Q;Cheng H Y;Liu R X;Hao J M Yu Y C Cai S X Zhao F Y .[J].Catalyst Communication,2009,10:592. |
| [33] | Jeong H;Kim T H;Kim K I;Cho S H .[J].Fuel Processing Technology,2006,87:497. |
| [34] | Raab C G;Englisch M;Marinelli T B L W;Lercher J A .[J].Studies in Surface Science and Catalysis,1993,78:211. |
| [35] | Saadi A;Merabiti R;Rassoul Z;Bettahar MM .Benzaldehyde hydrogenation over supported nickel catalysts[J].Journal of molecular catalysis, A. Chemical,2006(1/2):79-85. |
| [36] | Gluhoi A C;Marginean P;Stanescu U .[J].Applied Catalysis A:General,2005,294:208. |
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