CHARACTERISTIC ACTION OF ZIRCONIUM DIOXIDE IN THE DECOMPOSITION OF ALKYLAMINES

被引：17

作者：

XU, BQ ^{[1
]}

YAMAGUCHI, T ^{[1
]}

TANABE, K ^{[1
]}

机构：

[1] HOKKAIDO UNIV, FAC SCI, DEPT CHEM, SAPPORO, HOKKAIDO 060, JAPAN

来源：

APPLIED CATALYSIS | 1990年 / 64卷 / 1-2期

关键词：

alkylamines; catalyst characterization (TPD); deamination/dealkylation; dehydrogenation; MgO; selectivity (nitriles); silica-alumina; zirconium dioxide;

D O I：

10.1016/S0166-9834(00)81552-3

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：

Decomposition of n-propylamine, diethylamine, and triethylamine over ZrO2, SiO2-Al2O3 and MgO was studied by temperature-programmed desorption (TPD) and catalytic conversion. Deamination/dealkylation and dehydrogenation were the main reactions. The deamination/dealkylation reaction was catalysed selectively over the strongly acidic SiO2-Al2O3, while the dehydrogenation of the primary amine to nitrile was promoted exclusively over the strongly basic MgO. In contrast, the weakly acidic and weakly basic ZrO2 showed the highest activity and selectivity for the formation of nitriles, especially in the decomposition of secondary and tertiary amines. © 1990.

引用

页码：41 / 54

页数：14

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