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利用微波技术和常规等体积浸渍法制备了一系列NiW/TiO2-Al2O3加氢脱硫催化剂样品,并采用BET,XRD,XPS和TPS(程序升温硫化)方法对催化剂样品进行了表征.结果表明,微波处理改变了催化剂的孔径分布,提高了WO3,NiO和TiO2在Al2O3表面的的分散性,削弱了WO3和NiO同载体的强相互作用,改善了催化剂的硫化性能.噻吩脱硫活性考察结果表明,经微波处理的催化剂上噻吩转化率比常规催化剂上提高约5%.

参考文献

[1] Knudsen K G;Cooper B H;Topse H .[J].Applied Catalysis A:General,1999,189(02):205.
[2] van Looij F;van der Laan P;Stork W H J;DiCamillo D J,Swain J .[J].Applied Catalysis A:General,1998,170(01):1.
[3] Lecrenay E;Sakanishi K;Mochida I;Suzuka T .[J].Applied Catalysis A:General,1998,175(1/2):237.
[4] Li D.;Imamura M.;Shimada H.;Nishijima A.;Sato T. .SPECTROSCOPIC CHARACTERIZATION OF NI-MO/GAMMA-AL2O3-B2O3 CATALYSTS FOR HYDRODESULFURIZATION OF DIBENZOTHIOPHENE[J].Journal of Catalysis,1997(2):357-365.
[5] Yamagata N;Owada Y;Okazaki S;Tanabe K .[J].Journal of Catalysis,1977,47(03):358.
[6] Kwak C.;Bae JS.;Choi K.;Moon SH.;Lee JJ. .Hydrodesulfurization of DBT, 4-MDBT, and 4,6-DMDBT on fluorinated CoMoS/Al2O3 catalysts[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2000(1/2):233-242.
[7] Trombetta M.;Rossini S.;Piccoli V.;Cornaro U.;Guercio A. Catani R.;Willey RJ.;Busca G. .FT-IR studies on light olefin skeletal isomerization catalysis III. Surface acidity and activity of amorphous and crystalline catalysts belonging to the SiO2-Al2O3 system[J].Journal of Catalysis,1998(2):581-596.
[8] Damyanova S.;Jiratova K.;Spojakina A. .EFFECT OF MIXED TITANIA-ALUMINA SUPPORTS ON THE PHASE COMPOSITION OF NIMO/TIO2-AL2O3 CATALYSTS[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,1995(2):257-269.
[9] Wei Z B;Yan W H;Zhang H;Ren T L,Xin Q,Li Zh Ch .[J].Applied Catalysis A:General,1998,167(01):39.
[10] Ramirez J;Cedeno L;Busca G .[J].Journal of Catalysis,1999,184(01):59.
[11] Wachowski L;Kirszensztejn P;Lopatka R;Bell T N .[J].Catalysis Letters,1995,32(1-2):123.
[12] 苏永庆;王宇飞;陈尤累;杨晓军 .[J].有色金属,1999,51(02):60.
[13] Bond G;Moyes R B;Whan D A .[J].Catalysis Today,1993,17(03):427.
[14] Bonaccorsi L;Proverbio E .[J].Journal of Crystal Growth,2003,247(3-4):555.
[15] Pilter Z;Szabo S;Hasznos-Nezdei M;Pallai-Varsanyi E .[J].Microporous and Mesoporous Materials,2000,40(1-3):257.
[16] 孙德坤;朱建华;时吉;须沁华 .[J].催化学报,1998,19(01):81.
[17] 魏迎旭,许磊,齐越,王公慰.微波条件下结晶γ-Al2O3的制备与表征[J].催化学报,1999(03):243-246.
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