Kinetic Laws of Oxidation of para-tert-Butylcumene in the Presence of N-Hydroxyphthalimide

被引：0
|
作者：
Frolov, A. S. [1 ]
Kurganova, E. A. [1 ]
Sapunov, V. N. [2 ]
Kozlovskii, R. A. [2 ]
Koshel', G. N. [1 ]
Yarkina, E. M. [1 ]
机构：
[1] Yaroslavl State Tech Univ, Yaroslavl 150023, Russia
[2] Mendeleev Univ Chem Technol Russia, Moscow 125047, Russia
来源：
KINETICS AND CATALYSIS | 2023年 / 64卷 / 06期
关键词：
N-hydroxyphthalimide; aerobic oxidation; para-tert-butylcumene; mathematical modeling; AUTOXIDATION; MECHANISM; RADICALS;
D O I：
10.1134/S002315842306006X
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 the oxidation of para-tert-butylcumene to hydroperoxide by molecular oxygen in the presence of N-hydroxyphthalimide was studied. By analyzing the laws of the formation of hydroperoxide and byproducts, a mathematical model of the process was constructed, which adequately describes the changes in the concentrations of the main components of the reaction over time. The main role of N-hydroxyphthalimide is to convert peroxide radicals into the corresponding hydroperoxides, thereby reducing the yield of byproducts by decreasing the quadratic chain termination rate. Moreover, the formed N-hydroxyphthalimide radicals increase the rate of hydrocarbon oxidation. Thus, the use of N-hydroxyphthalimide in hydrocarbon oxidation processes results in an increase in the rate and selectivity of hydroperoxide formation.
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收藏
页码：750 / 758
页数：9
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