HMS介孔分子筛经水热处理得到无定形SiO2,分别以无定形SiO2和HMS为载体,用浸渍法制得了15%Co/SiO2和15%Co/HMS催化剂. 研究表明: 氧化态Co/SiO2和Co/HMS催化剂中的钴物种以Co3O4形式存在,且Co3O4晶粒粒径均较相应催化剂的孔径大,故有部分钴物种存在于催化剂外表面; 氧化态Co/HMS催化剂中的钴物种堵塞孔道较为严重; Co/HMS催化剂中存在较强的金属-载体相互作用,因此Co/HMS催化剂较Co/SiO2催化剂难还原; Co/HMS催化剂还原后具有较高的钴分散度,使其具有优异的费-托合成反应性能.
参考文献
| [1] | Anderson R B.The Fischer-Tropsch Synthesis[M].New York:Academic Press,1984:1. |
| [2] | Van Der Laan G P;Beenackers A A C M .[J].Catalysis Review-Science and Engineering,1999,41(3-4):255. |
| [3] | 相宏伟,钟炳.天然气制取液体燃料工艺技术进展[J].化学进展,1999(04):385-393. |
| [4] | Oukaci R;Singleton A H;Goodwin Jr J G .[J].Applied Catalysis A:General,1999,186(1-2):129. |
| [5] | Eilers J;Posthuma S A;Sie S T .[J].Catalysis Letters,1990,7(1-4):253. |
| [6] | 张俊岭,陈建刚,董庆年,任杰,孙予罕.化学修饰氧化铝负载钴基催化剂吸附与反应行为的研究[J].高等学校化学学报,2003(02):301-304. |
| [7] | Iwasaki T.;Onodera Y.;Hayashi H.;Ebina T.;Nagase T. Torii K.;Kataja K.;Chatterjee A.;Reinikainen M. .Use of silicate crystallite mesoporous material as catalyst support for Fischer-Tropsch reaction[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,1998(0):845-850. |
| [8] | 银董红,李文怀,钟炳,彭少逸.中孔分子筛负载钴催化剂的制备及在费-托合成中的催化性能[J].催化学报,2000(03):221-224. |
| [9] | Yin D H;Li W H;Yang W Sh;Xiang H W, Sun Y H, Zhong B, Peng Sh Y .[J].Microporous and Mesoporous Materials,2001,47(01):15. |
| [10] | 银董红,李文怀,钟炳,彭少逸.中孔分子筛HMS负载钴催化剂在费-托合成中的应用载体HMS的孔径对钴基催化剂性能的影响[J].催化学报,2002(02):118-120. |
| [11] | 杨文书,高海燕,相宏伟,银董红,杨勇,杨继礼,徐元源,李永旺.中孔分子筛负载的钴基催化剂F-T合成反应研究[J].化学学报,2001(11):1870-1877. |
| [12] | 杨文书,高海燕,相宏伟,银董红,杨勇,徐元源,钟炳,李永旺.新型钴基介孔分子筛催化剂F-T合成性能和烃分布研究[J].高等学校化学学报,2002(09):1748-1752. |
| [13] | Yang W Sh;Xiang H W;Xu Y Y;Li Y W .[J].Studies in Surface Science and Catalysis,2003,146:693. |
| [14] | 杨文书,银董红,常杰,相宏伟,徐元源,李永旺.助剂对Co/HMS催化剂结构和F-T合成性能的影响[J].化学学报,2003(05):681-687. |
| [15] | Khodakov A Y;Griboval-Constant A;Bechara R;Villain F .[J].Journal of Physical Chemistry B,2001,105(40):9805. |
| [16] | Wang Y;Noguchi M;Takahashi Y;Ohtsuka Y .[J].Catalysis Today,2001,68(1-3):3. |
| [17] | Wei M D;Okabe K;Arakawa H;Teraoka Y .[J].New Journal of Chemistry,2002,26(01):20. |
| [18] | Panpranot J.;Goodwin JG.;Sayari A. .CO hydrogenation on Ru-promoted Co/MCM-41 catalysts[J].Journal of Catalysis,2002(2):530-539. |
| [19] | Panpranot J;Goodwin Jr J G;Sayari A .[J].Catalysis Today,2002,77(03):269. |
| [20] | Khodakov AY.;Griboval-Constant A.;Bechara R.;Zholobenko VL. .Pore size effects in Fischer Tropsch synthesis over cobalt-supported mesoporous silicas[J].Journal of Catalysis,2002(2):230-241. |
| [21] | Khodakov A Y;Bechara R;Griboval-Constant A .[J].Applied Catalysis A:General,2003,254(02):273. |
| [22] | Okabe K;Wei M D;Arakawa H .[J].Energy and Fuels,2003,17(04):822. |
| [23] | Ohtsuka Y;Arai T;Takasaki S .[J].Energy and Fuels,2003,17(04):804. |
| [24] | Martínez A;López C;Mrquez F;Díaz I .[J].Journal of Catalysis,2003,220(02):486. |
| [25] | Jacobs G;Das T K;Zhang Y Q;Li J L,Racoillet G,Davis B H .[J].Applied Catalysis A:General,2002,233(1-2):263. |
| [26] | Sexton B A;Hughes A E;Turney T W .[J].Journal of Catalysis,1986,97(02):390. |
| [27] | Ho SW. .Effects of ethanol impregnation on the properties of thoria-promoted Co/SiO2 catalyst[J].Journal of Catalysis,1998(2):139-151. |
| [28] | 刘金香.固体催化剂的研究方法第三章热分析在催化研究中的应用（上）[J].石油化工,2000(05):378-391. |
| [29] | Reuel R C;Bartholomew C H .[J].Journal of Catalysis,1984,85(01):78. |
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