Nanoplatelet-based reconstructed hydrotalcites:: towards more efficient solid base catalysts in aldol condensations

被引:86
作者
Abelló, S
Medina, F [1 ]
Tichit, D
Pérez-Ramírez, J
Cesteros, Y
Salagre, P
Sueiras, JE
机构
[1] Univ Rovira & Virgili, Dept Quim & Engn Quim, Tarragona 43007, Spain
[2] ENSCM, Lab Mat Catalyt & Catalyse Chim Organ, CNRS, UMR 5618, F-34296 Montpellier, France
[3] Yara Technol Ctr Porsgrunn, N-3908 Porsgrunn, Norway
关键词
D O I
10.1039/b417322h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Rehydration of Mg-Al hydrotalcite in the liquid phase using ultrasounds or a high stirring speed leads to nanoplatelets with surface areas of 400 m(2) g(-1), displaying catalytic activities in aldol condensations up to 8 times higher than the best catalytic system reported in the literature.
引用
收藏
页码:1453 / 1455
页数:3
相关论文
共 14 条
[11]   Activation of Mg-Al hydrotalcite catalysts for aldol condensation reactions [J].
Rao, KK ;
Gravelle, M ;
Valente, JS ;
Figueras, F .
JOURNAL OF CATALYSIS, 1998, 173 (01) :115-121
[12]   On the structure of activated hydrotalcites as solid base catalysts for liquid-phase aldol condensation [J].
Roelofs, JCAA ;
Lensveld, DJ ;
van Dillen, AJ ;
de Jong, KP .
JOURNAL OF CATALYSIS, 2001, 203 (01) :184-191
[13]   Base-catalyzed condensation of citral and acetone at low temperature using modified hydrotalcite catalysts [J].
Roelofs, JCAA ;
van Dillen, AJ ;
de Jong, KP .
CATALYSIS TODAY, 2000, 60 (3-4) :297-303
[14]   Aldol condensation of acetone over layered double hydroxides of the meixnerite type [J].
Tichit, D ;
Bennani, MN ;
Figueras, F ;
Tessier, R ;
Kervennal, J .
APPLIED CLAY SCIENCE, 1998, 13 (5-6) :401-415