详细信息
4-羟基-2,2,6,6-四甲基哌啶非均相催化氧化动力学研究
KINETIC STUDY ON THE HETEROGENEOUS CATALYTIC OXIDATION REACTION OF 4 - HYDROXY L-2,2,6,6-TETRAMETHYLPIPERIDINE
文献类型:期刊文献
中文题名:4-羟基-2,2,6,6-四甲基哌啶非均相催化氧化动力学研究
英文题名:KINETIC STUDY ON THE HETEROGENEOUS CATALYTIC OXIDATION REACTION OF 4 - HYDROXY L-2,2,6,6-TETRAMETHYLPIPERIDINE
作者:郭霖[1];童天中[1];陈孔常[1];田禾[1]
机构:[1]华东理工大学精细化工研究所,上海200237
年份:2000
卷号:51
期号:S1
起止页码:168
中文期刊名:化工学报
外文期刊名:CIESC Journal
收录:CSTPCD;;Scopus;北大核心:【北大核心1996】;CSCD:【CSCD2011_2012】;
语种:中文
中文关键词:4-羟基-2;2;6;6-四甲基哌啶;动力学;反应机理;离子交换树脂
外文关键词:bydroxyl- 2; 2; 6; 6-tetramethylpiperidine; kinetics; reaction mechanism; ion exchange resin;
摘要:在搅拌釜式间歇反应器中研究了以负载Mg2+的HD-8型阳离子交换树脂为催化剂的 4-OH-TMP非均相氧化反应动力学。探讨了该反应的反应机理,推导出4-OH-TMP催化氧化动力学方程。其速度方程可表示为r=kCACB。从实验中得到反应活化能 Ea=50.96kJ/mol,反应速率常数 k=8.52×103exp(-50.96/RT),反应速率常数与催化剂用量之间的关系为k=38.6+6.19w-0.64w2。
The kinetics of 4-OH-TMP heterogeneous catalytic oxidation reaction catalyzed by ion exchange resin supported Mg2+ was studied. The reaction mechanism was. discussed and the 4-OH-TMP catalytic oxidation kinetics equation was derived as r=kCACB. They were obtained from the experiment that the activation energy Ea=50.96kJ/mol, the rate constant k=8.52×103exp(-50. 96/RT), the relation between rate constants and catalyst use level k=38.6+6.19w-0.64w2.
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