以双介孔分布MCM-41分子筛为载体,采用等体积浸渍、氨水气相诱导水解和过量浸渍法制备了费-托合成钴摹催化剂,并考察了它们的孔结构、活性物种分布及费-托合成催化性能.结粜表明,采用等体积浸渍法和氨水气相诱导水解法制备的催化剂都保持了较好的双介孔特性,Co颗粒人部分位于分子筛的孔道内部.过量浸渍法和等体积浸渍法制备的催化剂上Co物种的还原度和分散度均较高,尤其后者上Co分散度更高,因而具有较低的CH4选择性和较高的C5+选择性.
参考文献
| [1] | 银蕈红;李文怀;彭少逸 .[J].催化学报,2002,23:118. |
| [2] | Xiong H F;Zhang Y H;Licw K Y;Li J L .[J].Journal of Molecular Catalysis A:Chemical,2008,295:68. |
| [3] | Wang S R;Zhang J;Jiang J Q;Liu R,Zhu B L,Xu M J,Wang Y,Cao J L,LiM Y,Yuan Z Y,Zhang S M,Huang W P.Wu S H .[J].Microporous and Mesoporous Materials,2009,123:349. |
| [4] | Prieto G;Martinez A;Mureiano R;Arribas M A .[J].Applied Catalysis A:General,2009,367:146. |
| [5] | Wang, HY;Wan, Y .Synthesis of ordered mesoporous Pd/carbon catalyst with bimodal pores and its application in water-mediated Ullmann coupling reaction of chlorobenzene[J].Journal of Materials Science,2009(24):6553-6562. |
| [6] | Job N;Pereira MFR;Lambert S;Cabiac A;Delahay G;Colomer JF;Marien J;Figueiredo JL;Pirard JP .Highly dispersed platinum catalysts prepared by impregnation of texture-tailored carbon xerogels[J].Journal of Catalysis,2006(2):160-171. |
| [7] | Shinoda M;Zhang Y;Yoneyama Y;Hasegawa K Tsubaki N .[J].Fuel Progress Technol,2004,86:73. |
| [8] | Zhang Y;Koike M;Yang R Q;Hinchiranan S Vitidsant T Tsubaki N .[J].Applied Catalysis A:General,2005,292:252. |
| [9] | Zhang Y;Koike M;Tsubaki N .[J].Catalysis Letters,2005,99:193. |
| [10] | 石玉梅;姚楠;卢春山;范洋波 刘化章 李小年 .[J].化学进展,2009,21:204. |
| [11] | Zacharaki I;Kontoyannis C G;Boghosian S;Lycourghiotis A Kordulis C .[J].Catalysis Today,2009,143:38. |
| [12] | 纪玉国,赵震,余长春,段爱军,姜桂元.Fischer-Tropsch合成钴基催化剂研究进展[J].化工进展,2007(07):927-933. |
| [13] | Li J H;Xu Y;Wu D;Sun Y H .[J].Catalysis Today,2009,148:148. |
| [14] | 杨文书,房鼎业,相宏伟,李永旺,刘继森.Co/HMS和Co/SiO2催化剂的表征及在费-托合成反应中的催化性能[J].催化学报,2005(04):329-334. |
| [15] | Cullity B D.Elements of X-Ray Diffraction[M].Reading,Mass:Addison-Wesley,1978:410. |
| [16] | 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. |
| [17] | Sun S L;Tsubaki N;Fujimoto K .[J].Applied Catalysis A:General,2000,202:121. |
| [18] | Xu CY.;Yan L.;Zhang PX. .Blue shift of Raman peak from coated TiO2 nanoparticles[J].Journal of Raman Spectroscopy,2001(10):862-865. |
| [19] | Zhou H J;Chen L M;Malik V;Knies C,Hofmann D M,Bhaui K P,Chaudhary S,Klar P J,Heimbrodt W,Klingshirn C.Kalt H .[J].ehys Status SolidA,2007,204:112. |
| [20] | Lottici P P;Bersani D;Braghini M;Montenero A .[J].Journal of Materials Science,1993,28:177. |
| [21] | Vansteen E.;Makhothe RA.;Micklethwaite C.;Manstein H. Delange M.;Oconnor CT.;Sewell GS. .TPR STUDY ON THE PREPARATION OF IMPREGNATED CO/SIO2 CATALYSTS[J].Journal of Catalysis,1996(2):220-229. |
| [22] | Borg O;Hammer N;Eri S;Lindvag O A Myrstad R Blekkan E A Ronning M Rytter E Holmen A .[J].Catalysis Today,2009,142:70. |
| [23] | Wang Y L;Hou B;Chen J G;Jia L T,Li D B,Sun Y H .[J].Catalyst Communication,2009,10:747. |
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