Dehydrogenation of ethylbenzene on alumina-chromia-pillared saponites

被引:7
|
作者
Vicente, MA
Meyer, A
González, E
Bañares-Muñoz, MA
Gandía, LM
Gil, A
机构
[1] Univ Salamanca, Dept Quim Inorgan, E-37008 Salamanca, Spain
[2] Univ Zulia, Fac Ciencias, Dept Quim, Maracaibo 4011, Venezuela
[3] Univ Publ Navarra, Dept Quim Aplicada, Pamplona 31006, Spain
关键词
alumina-chromia-pillared saponite; pillared clays; ethylbenzene dehydrogenation;
D O I
10.1023/A:1014953920996
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
A natural saponite was intercalated and pillared with hydroxy-aluminium-chromium oligomers. The ntercalation solutions were characterized by visible spectroscopy and the pillared saponites mainly by chemical analyses, X-ray diffraction (XRD), diffuse reflectance spectroscopy (DRS) and nitrogen adsorption. The catalytic behaviour of these materials in the dehydrogenation of ethylbenzene was investigated. The selectivity to styrene was found to increase as the chromium content of the pillared clays decreased.
引用
收藏
页码:99 / 103
页数:5
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