Catalytic application of niobium compounds

被引:332
作者
Tanabe, K
机构
[1] 14-11 Sonomachi, Oasa, Ebetsu-shi, Hokkaido 069-0851, Japan
关键词
niobium compounds; catalytic application;
D O I
10.1016/S0920-5861(02)00343-7
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Salient examples of catalytic application of niobium compounds and materials are demonstrated. Niobium oxides, when small amounts are added to known catalysts, markedly enhance catalytic activity and selectivity and prolong catalyst life for various reactions. Moreover, niobium oxides exhibit a pronounced effect as supports of metal or metal oxide catalysts. Hydrated niobium pentoxide (niobic acid, Nb2O5.nH(2)O) and niobium phosphate which are unusual solid acids show high catalytic activity, selectivity, and stability for acid-catalyzed reactions. Layer compounds containing niobium combined with metal show peculiar photocatalytic activity. These characteristic features of niobium compounds as catalysts and catalyst components are discussed, their potential significance being emphasized. (C) 2002 Kozo Tanabe. Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:65 / 77
页数:13
相关论文
共 62 条
[11]   NIOBIC ACID AS AN EFFICIENT CATALYST FOR VAPOR-PHASE ESTERIFICATION OF ETHYL-ALCOHOL WITH ACETIC-ACID [J].
CHEN, Z ;
IIZUKA, T ;
TANABE, K .
CHEMISTRY LETTERS, 1984, (07) :1085-1088
[12]   Photocatalytic decomposition of water over cesium-loaded potassium niobate photocatalysts [J].
Chung, KH ;
Park, DC .
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 1998, 129 (01) :53-59
[13]  
DEOLIVEIRA PG, 1999, 3 INT S GROUP 5 EL R, P52
[14]   THE OXIDATIVE DEHYDROGENATION OF ETHANE OVER MOLYBDENUM VANADIUM NIOBIUM OXIDE CATALYSTS - THE ROLE OF CATALYST COMPOSITION [J].
DESPONDS, O ;
KEISKI, RL ;
SOMORJAI, GA .
CATALYSIS LETTERS, 1993, 19 (01) :17-32
[15]   Layered niobium oxides - Pillaring and exfoliation [J].
Domen, K ;
Ebina, Y ;
Ikeda, S ;
Tanaka, A ;
Konda, JN ;
Maruya, K .
CATALYSIS TODAY, 1996, 28 (1-2) :167-174
[16]   PHOTODECOMPOSITION OF WATER AND HYDROGEN EVOLUTION FROM AQUEOUS METHANOL SOLUTION OVER NOVEL NIOBATE PHOTOCATALYSTS [J].
DOMEN, K ;
KUDO, A ;
SHINOZAKI, A ;
TANAKA, A ;
MARUYA, K ;
ONISHI, T .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1986, (04) :356-357
[17]  
Domen K., 1990, CAT TOD VOL 8 NO 1, V8, P77
[18]   Effect of support sulphidation on the hydrocracking activity of niobia-supported nickel and molybdenum catalysts [J].
dos Santos, ACB ;
Grange, P ;
Faro, AC .
APPLIED CATALYSIS A-GENERAL, 1999, 178 (01) :29-38
[19]   Niobium sulfides as catalysts for hydrotreating reactions [J].
Geantet, C ;
Afonso, J ;
Breysse, M ;
Allali, N ;
Danot, M .
CATALYSIS TODAY, 1996, 28 (1-2) :23-30
[20]   SOLVOLYSIS AND ISOMERIZATION OF PHENYLOXIRANE CATALYZED WITH NIOBIC ACID [J].
HANAOKA, T ;
TAKEUCHI, K ;
MATSUZAKI, T ;
SUGI, Y .
CATALYSIS LETTERS, 1990, 5 (01) :13-16