Kinetics of sodium maleate hydrogenation over Raney nickel catalysts in aqueous solutions

被引：0
|
作者：
Lefedova, OV [1 ]
Trunov, AA [1 ]
Ulitin, MV [1 ]
机构：
[1] Ivanovo State Acad Chem Engn, Ivanovo, Russia
来源：
KINETICS AND CATALYSIS | 1998年 / 39卷 / 02期
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D O I：
暂无
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：
The kinetics of liquid-phase hydrogenation of sodium maleate was studied over Raney nickel catalysts in aqueous solutions at different values of pH. The dependences of the substrate concentration and the amount of hydrogen consumed on time were used to determine the reaction orders and rate constants. The external and internal diffusion control was taken into account. The Langmuir-Hinshelwood model failed to describe the process kinetics. Different reasons for the effect of pH on kinetic parameters are discussed for the reaction occurring in aqueous solutions.
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页码：171 / 176
页数：6
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