N-alkylation of aniline over silica and montmorillonite K10: the influence of oxide impregnation

被引：9
|
作者：
Narayanan, S
Deshpande, K
机构：
[1] Catalysis Section, Indian Institute of Chemical Technology
来源：
MICROPOROUS MATERIALS | 1997年 / 11卷 / 1-2期
关键词：
silica; montmorillonite K10; vanadia; impregnated silica; aniline alkylation; acidity measurement; chromia; zirconia;
D O I：
10.1016/S0927-6513(97)00029-1
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
10 wt.% vanadia, zirconia and chromia impregnated silica and montmorillonite K10 catalysts have been prepared. They were characterised by surface area measurements, XRD and ESR. Acidity was determined by stepwise ammonia desorption at three temperature ranges (A=353-423 K, B=423-573 K, C=573-723 K). Aniline alkylation was carried out at 673 K, 12 cm(3) h(-1) g(-1) (feed rate) and atmospheric pressure. The catalytic conversion is explained on the basis of acidity differences. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：77 / 82
页数：6
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