Copper-modified mesoporous MCM-41 silica: FTIR and catalytic study

被引:54
作者
Tsoncheva, T [1 ]
Venkov, T
Dimitrov, M
Minchev, C
Hadjiivanov, K
机构
[1] Bulgarian Acad Sci, Inst Organ Chem, Sofia 1113, Bulgaria
[2] Bulgarian Acad Sci, Inst Gen & Inorgan Chem, Sofia 1113, Bulgaria
基金
新加坡国家研究基金会;
关键词
Cu/MCM-41; methanol decomposition; FTIR spectroscopy; adsorption; CO; carbonyls;
D O I
10.1016/j.molcata.2003.08.008
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
Copper modified MCM-41 silica materials obtained by various preparation techniques are characterized by X-ray diffraction (XRD), temperature programmed reduction (TPR) and FTIR spectroscopy of adsorbed CO. The copper state in the samples is controlled by the preparation method used. The catalytic activity and selectivity of the samples in methanol dehydrogenation are also compared. The role of different copper species in the catalytic process is discussed. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:125 / 134
页数:10
相关论文
共 82 条
[1]   DEHYDROGENATION OF METHANOL TO METHYL FORMATE OVER COPPER-BASED CATALYSTS [J].
AI, M .
APPLIED CATALYSIS, 1984, 11 (2-3) :259-270
[2]   SOLID-STATE AND SURFACE-CHEMISTRY OF CUO-TIO2 (ANATASE) POWDERS [J].
AMORES, JMG ;
ESCRIBANO, VS ;
BUSCA, G ;
LORENZELLI, V .
JOURNAL OF MATERIALS CHEMISTRY, 1994, 4 (06) :965-971
[3]   CHARACTERIZATION OF THE SURFACE OF A CU/SIO2 CATALYST EXPOSED TO NO AND CO USING IR SPECTROSCOPY [J].
BALKENENDE, AR ;
VANDERGRIFT, CJG ;
MEULENKAMP, EA ;
GEUS, JW .
APPLIED SURFACE SCIENCE, 1993, 68 (02) :161-171
[4]   MOLECULAR-BEAM STUDIES OF METHANOL PARTIAL OXIDATION ON CU(110) [J].
BARNES, C ;
PUDNEY, P ;
GUO, QM ;
BOWKER, M .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1990, 86 (15) :2693-2699
[5]  
CALKINS WH, 1985, CATAL REV SCI ENG, V26, P47
[6]   ISOTOPIC LABELING STUDIES OF THE MECHANISM OF DEHYDROGENATION OF METHANOL TO METHYL FORMATE OVER COPPER-BASED CATALYSTS [J].
CANT, NW ;
TONNER, SP ;
TRIMM, DL ;
WAINWRIGHT, MS .
JOURNAL OF CATALYSIS, 1985, 91 (02) :197-207
[7]  
Cheng W. H., 1994, METHANOL PRODUCTION
[8]   Promotion of Cu/Cr/Mn catalyst by alkali additives in methanol decomposition [J].
Cheng, WH ;
Shiau, CY ;
Liu, TH ;
Tung, HL ;
Lu, JF ;
Hsu, CC .
APPLIED CATALYSIS A-GENERAL, 1998, 170 (02) :215-224
[9]   REACTION AND XRD STUDIES ON CU BASED METHANOL DECOMPOSITION CATALYSTS - ROLE OF CONSTITUENTS AND DEVELOPMENT OF HIGH-ACTIVITY MULTICOMPONENT CATALYSTS [J].
CHENG, WH .
APPLIED CATALYSIS A-GENERAL, 1995, 130 (01) :13-30
[10]   CONTROLLED-ENVIRONMENT XRD STUDY OF CU/ZNO RELATED TO ACTIVITY IN METHANOL DECOMPOSITION [J].
CHENG, WH .
MATERIALS CHEMISTRY AND PHYSICS, 1995, 41 (01) :36-40