VAPOR-PHASE OXIDATION OF BENZOIC-ACID TO PHENOL OVER NA2O-PROMOTED NIO-FE2O3 CATALYST

被引：7

作者：

MIKI, J

ASANUMA, M

TACHIBANA, Y

SHIKADA, T

机构：

[1] Material and Processing Research Center, Kawasaki-ku, Kawasaki, 210, NKK corporation, 1-1, Minamiwatarida-cho

来源：

APPLIED CATALYSIS A-GENERAL | 1995年 / 123卷 / 01期

关键词：

BENZOIC ACID; NICKEL OXIDE IRON OXIDE; PHENOL; SODIUM PROMOTION; VAPOR-PHASE OXIDATION;

D O I：

10.1016/0926-860X(94)00216-9

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 NiO-Fe2O3-Na2O catalyst achieved an extremely high space-time yield (STY) of phenol, while maintaining a high phenol selectivity, as compared with that of a conventional CuO catalyst for the vapor phase oxidation of benzoic acid. The addition of Na2O to NiO-Fe2O3 catalyst was found to be very effective in increasing the STY of phenol, while maintaining a high phenol selectivity. The effect of temperature, oxygen ratio, H2O ratio, and space velocity on the catalyst performance were examined in order to optimize the phenol selectivity and STY of phenol. The reaction route for phenol formation over the Na2O-promoted NiO-Fe2O3 catalyst was also speculated upon by considering the deactivation of the catalyst.

引用

页码：111 / 121

页数：11

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