HDS of dibenzothiophene over polyphosphates supported on mesoporous silica

被引：80
作者：
Pawelec, B
Damyanova, S
Mariscal, R
Fierro, JLG
Sobrados, I
Sanz, J
Petrov, L
机构：
[1] CSIC, Inst Catalisis & Petr Quim, Madrid 28049, Spain
[2] Bulgarian Acad Sci, Inst Catalysis, Sofia 1113, Bulgaria
[3] CSIC, Inst Ciencias Mat, Madrid 28049, Spain
来源：
JOURNAL OF CATALYSIS | 2004年 / 223卷 / 01期
关键词：
deep hydrodesulfurization; DBT; mesoporous silica; polyphosphates;
D O I：
10.1016/j.jcat.2004.01.018
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Molybdophosphoric (HPMo) and tungstophosphoric (HPW) acid catalysts. supported on hexagonal mesoporous silica (HMS) carriers and modified with Ti, Zr. and Zr + Al, were prepared. The catalysts were characterized by Fourier transform IR spectroscopy of adsorbed pyridine and deuterated acetonitrile, X-ray photoelectron spectroscopy, and P-31 and H-1 nuclear magnetic resonance. Catalytic activity was tested in the hydrodesulfurization reaction of DBT. The thermal stability and the properties of the supported molybdophosphates and tungstophosphates were discussed in terms of support effect. For the hydrodesulfurization reaction, which was carried out under high hydrogen pressure, the HPMo/ZrAlHMS catalyst had higher activity and selectivity to biphenyl formation than the other supported HPMo catalysts. Regardless of the carrier, supported HPW catalysts were the most active. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码：86 / 97
页数：12
相关论文
共 50 条
[1]  
[Anonymous], HYDROTREATING CATALY
[2]   SIMULATED DEACTIVATION AND REGENERATION OF AN INDUSTRIAL COMO/GAMMA-AL2O3 HYDRODESULFURIZATION CATALYST [J].
ARTEAGA, A ;
FIERRO, JLG ;
DELANNAY, F ;
DELMON, B .
APPLIED CATALYSIS, 1986, 26 (1-2) :227-249
[3]   A NEW FAMILY OF MESOPOROUS MOLECULAR-SIEVES PREPARED WITH LIQUID-CRYSTAL TEMPLATES [J].
BECK, JS ;
VARTULI, JC ;
ROTH, WJ ;
LEONOWICZ, ME ;
KRESGE, CT ;
SCHMITT, KD ;
CHU, CTW ;
OLSON, DH ;
SHEPPARD, EW ;
MCCULLEN, SB ;
HIGGINS, JB ;
SCHLENKER, JL .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (27) :10834-10843
[4]  
BRIGGS D, 1983, PRACTICAL SURFACE AN, P620
[5]   Ni and Mo interaction with Al-containing MCM-41 support and its effect on the catalytic behavior in DBT hydrodesulfurization (vol 240, pg 29, 2003) [J].
Carrier, X ;
Che, M .
APPLIED CATALYSIS A-GENERAL, 2003, 253 (01) :317-320
[6]   IR SPECTROSCOPIC STUDY OF CD3CN ADSORBED ON ALPO-18 MOLECULAR-SIEVE AND THE SOLID ACID CATALYSTS SAPO-18 AND MEAPO-18 [J].
CHEN, JS ;
THOMAS, JM ;
SANKAR, G .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1994, 90 (22) :3455-3459
[7]   NMR-STUDY OF THE ADSORPTION OF PHOSPHOMOLYBDATES ON ALUMINA [J].
CHENG, WC ;
LUTHRA, NP .
JOURNAL OF CATALYSIS, 1988, 109 (01) :163-169
[8]   XPS study of as-prepared and reduced molybdenum oxides [J].
Choi, JG ;
Thompson, LT .
APPLIED SURFACE SCIENCE, 1996, 93 (02) :143-149
[9]   Partial oxidation of methanol on TiO2-supported 12-molybdophosphate catalysts [J].
Cubeiro, ML ;
Damyanova, S ;
Fierro, JLG .
CATALYSIS LETTERS, 1997, 49 (3-4) :223-227
[10]   STRUCTURE-FUNCTION RELATIONS IN MOLYBDENUM SULFIDE CATALYSTS - THE RIM-EDGE MODEL [J].
DAAGE, M ;
CHIANELLI, RR .
JOURNAL OF CATALYSIS, 1994, 149 (02) :414-427
12345