APPLICATION OF UV-VIS SPECTROSCOPY TO SURFACE REACTIONS OF HYDROCARBONS IN ZEOLITES

被引：7

作者：

Foerster, H. ^{[1
]}

Kiricsi, I. ^{[2
]}

机构：

[1] Univ Hamburg, Inst Phys Chem, D-2000 Hamburg 13, Germany

[2] Attila Jozsef Univ, Dept Appl Chem, H-6720 Szeged, Hungary

来源：

CATALYSIS TODAY | 1988年 / 3卷 / 01期

关键词：

D O I：

10.1016/0920-5861(88)80019-1

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Applicability of UV-VIS spectroscopy for monitoring surface reactions of hydrocarbons in acidic zeolites has been demonstrated by the examples propene/HNaY, cyclohexene/HZSM-5 and neopentane/HNaM. In all cases the presence of alkenyl carbenium ions could be proved, undergoing oligomerization or transformation to poly-enylic carbocations with time of contact or elevated temperatures. At temperatures above 400 K the oligomers are decomposed. In order to get more detailed knowledge on the structure of the carbenium ions involved, complementary UV-VIS and IR studies are proposed.

引用

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页码：65 / 74

页数：10

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