以天然凹凸棒石为硅源、铁源和钛源,一步合成了Fe/Ti-ZSM-5分子筛.X射线衍射、扫描电镜和N2吸附等温线测定结果表明,所合成的样品具有良好的结晶度和较大的比表面积；NH3程序升温脱附和H2程序升温还原结果表明,该样品具有强的酸性和氧化还原性能.更为重要的是,与常规方法制备的ZSM-5沸石相比,Fe/Ti-ZSM-5在催化裂解原料油(LGO,加拿大)的测试中,丙烯的产率提高0.21％,总轻烯烃的产率提高0.33％.由此可见,Fe与Ti物种在ZSM-5沸石分子筛中的存在有利于提高轻烯烃的产率,有望在石油炼制过程中提高烯烃产率.
参考文献
| [1] | Wallenstein D.;Haas A.;Kanz B. .Influence of coke deactivation and vanadium and nickel contamination on the performance of low ZSM-5 levels in FCC catalysts[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2000(1):105-123. |
| [2] | Corma A;Melo F V;Sauvanaud L;Ortega F .[J].Catalysis Today,2005,107:699. |
| [3] | den Hollander M A;Wissink M;Makkee M;Moulijn J A .[J].Applied Catalysis A:General,2002,223:85. |
| [4] | Wallenstein D;Harding R H .[J].Applied Catalysis A:General,2001,214:11. |
| [5] | 雷燕湘.世界丙烯及其衍生物发展现状与趋势[J].当代石油石化,2007(04):38-44. |
| [6] | 周宏中.国内外丙烯市场现状及发展趋势[J].化工技术经济,2004(09):28-31. |
| [7] | Degnan T F;Chitnis G K;Schipper P H .[J].Microporous and Mesoporous Materials,2000,35:245. |
| [8] | Adewuyi YG.;Buchanan JS.;Klocke DJ. .EFFECTS OF HIGH-LEVEL ADDITIONS OF ZSM-5 TO A FLUID CATALYTIC CRACKING (FCC) RE-USY CATALYST[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,1995(1):121-133. |
| [9] | Buchanan J S .[J].Catalysis Today,2000,55:207. |
| [10] | Aitani A. .Maximization of FCC light olefins by high severity operation and ZSM-5 addition[J].Catalysis Today,2000(1/2):111-117. |
| [11] | Luo Y B;Ouyang Y;Shu X T;He M Y .[J].Studies in Surface Science and Catalysis,2007,170:600. |
| [12] | Wang P;Shen B J;Shen D D;Peng T Gao J S .[J].Catalysis Communications,2007,8:1452. |
| [13] | Komvokis V G;Iliopoulou E F;Vasalos I A;Triantafyllidis K S Marshall C L .[J].Applied Catalysis A:General,2007,325:345. |
| [14] | Li X H;Li C Y;Zhang J F;Yang C H Shan H H .[J].Journal of Natural Gas Chemistry,2007,16:92. |
| [15] | Lu J Y;Zhao Z;Xu C M;Zhang P Duan A J .[J].Catalysis Communications,2006,7:199. |
| [16] | Lu, JY;Zhao, Z;Xu, CM;Duan, AJ;Zhang, P .CrHZSM-5 zeolites - Highly efficient catalysts for catalytic cracking of isobutane to produce light olefins[J].Catalysis Letters,2006(1/2):65-70. |
| [17] | Maia, A.J.;Louis, B.;Lam, Y.L.;Pereira, M.M. .Ni-ZSM-5 catalysts: Detailed characterization of metal sites for proper catalyst design[J].Journal of Catalysis,2010(1):103-109. |
| [18] | Maia A J;Oliveira B G;Esteves P M;Louis B Lam Y L Pereira M M .[J].ApplCatal A,2011,403:58. |
| [19] | Li X F;Shen B J;Xu C M .[J].Applied Catalysis A:General,2010,375:222. |
| [20] | Hao K;Shen B J;WangY D;Ren J .[J].Journal of Industrial and Engineering Chemistry,2012,18:1736. |
| [21] | Xu R R;Pang W Q;Yu J H;Huo Q S,Chen J S.Chemistry of Zeolite and Related Porous Materials[M].Singapore:Wiley,2007:152. |
| [22] | Newsam J M .[J].Science,1986,231:1093. |
| [23] | Cundy C S;Cox PA .[J].Chemical Reviews,2003,103:663. |
| [24] | Li Z F;Marler B;Gies H .[J].Chemistry of Materials,2008,20:1896. |
| [25] | Gevert B;Eriksson L;Toerncrona A .[J].Journal of Porous Materials,2011,18:723. |
| [26] | Gao X H;Qin Z X;Wang B J;Zhao X Z Li J C Zhao H J Liu H H Shen B J .[J].Applied Catalysis A:General,2012,413:254. |
| [27] | Murray H H .[J].Applied Clay Science,2000,17:207. |
| [28] | Cao J L;Shao G S;Wang Y;Liu Y P Yuan Z Y .[J].Catalysis Communications,2008,9:2555. |
| [29] | Liu Y S;Liu P;Su Z X;Li F S Wen F S .[J].Applied Surface Science,2008,255:2020. |
| [30] | Wang W B;Zheng Y;Wang A Q .[J].Polymers For Advanced Technologies,2008,19:1852. |
| [31] | Shi L M;Yao J F;Jiang J L;Zhang L X Xu N P .[J].Microporous and Mesoporous Materials,2009,122:294. |
| [32] | Purnomo C W;Salim C;Hinode H .[J].Microporous and Mesoporous Materials,2012,162:6. |
| [33] | Kovo A S;Hernandez O;Holmes S M .[J].Journal of Materials Chemistry,2009,19:6207. |
| [34] | Colina, FG;Llorens, J .Study of the dissolution of dealuminated kaolin in sodium-potassium hydroxide during the gel formation step in zeolite X synthesis[J].Microporous and Mesoporous Materials,2007(1/3):302-311. |
| [35] | Jiang J L;Feng L D;Gu X;Qian Y H Gu Y X Duanmu C S .[J].Applied Clay Science,2012,55:108. |
| [36] | 任利敏,张一波,曾尚景,朱龙凤,孙琦,张海燕,杨承广,孟祥举,杨向光,肖丰收.由新型铜胺络合物模板剂设计合成活性优异的Cu-SSZ-13分子筛[J].催化学报,2012(01):92-105. |
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