Hydrolysis Kinetics of 2-Pyridinecarboxamide, 3-Pyridinecarboxamide and 4-Pyridinecarboxamide in High-Temperature Water

Jie Fu; Haoming Ren; Ju Zhu; Xiuyang Lu

doi:10.1016/j.cjche.2014.06.024

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Hydrolysis Kinetics of 2-Pyridinecarboxamide, 3-Pyridinecarboxamide and 4-Pyridinecarboxamide in High-Temperature Water

催化、动力学与反应工程 | Updated：2026-01-06

- Hydrolysis Kinetics of 2-Pyridinecarboxamide, 3-Pyridinecarboxamide and 4-Pyridinecarboxamide in High-Temperature Water
- Hydrolysis Kinetics of 2-Pyridinecarboxamide, 3-Pyridinecarboxamide and 4-Pyridinecarboxamide in High-Temperature Water
- 中国化学工程学报（英文版） 2014年22卷第9期页码：1005-1008
- Affiliations：
  
  1. Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Department of Chemical and Biological Engineering, Zhejiang University,Hangzhou,China,310027
  2. School of Biological and Chemical Engineering, Zhejiang University of Science and Technology,Hangzhou,China,310023
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.06.024
  中图分类号：
- 纸质出版：2014
- Accepted：
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Jie Fu, Haoming Ren, Ju Zhu, 等. Hydrolysis Kinetics of 2-Pyridinecarboxamide, 3-Pyridinecarboxamide and 4-Pyridinecarboxamide in High-Temperature Water[J]. 中国化学工程学报（英文版）, 2014,22(9):1005-1008.

Jie Fu, Haoming Ren, Ju Zhu, Xiuyang Lu. Hydrolysis Kinetics of 2-Pyridinecarboxamide, 3-Pyridinecarboxamide and 4-Pyridinecarboxamide in High-Temperature Water[J]. , 2014, 22(9): 1005-1008.
Jie Fu, Haoming Ren, Ju Zhu, 等. Hydrolysis Kinetics of 2-Pyridinecarboxamide, 3-Pyridinecarboxamide and 4-Pyridinecarboxamide in High-Temperature Water[J]. 中国化学工程学报（英文版）, 2014,22(9):1005-1008. DOI： 10.1016/j.cjche.2014.06.024.

Jie Fu, Haoming Ren, Ju Zhu, Xiuyang Lu. Hydrolysis Kinetics of 2-Pyridinecarboxamide, 3-Pyridinecarboxamide and 4-Pyridinecarboxamide in High-Temperature Water[J]. , 2014, 22(9): 1005-1008. DOI： 10.1016/j.cjche.2014.06.024.

摘要

Abstract

A kinetic study is reported here on hydrolysis of three pyridinecarboxamides in high-temperature water in the temperature range of 190-250℃ at 8 MPa. 2-Pyridinecarboxamide

3-pyridinecarboxamide and 4-pyridinecarboxamide hydrolyze to corresponding picolinic acids. 2-Picolinic acid is further decarboxylated to pyridine. Experiments at different temperatures show that the first-order rate constants display an Arrhenius behavior with activation energies of (110.9 ± 2.3)

(70.4 ± 2.1) and (61.4 ± 1.8) kJ·mol

-1

for 2-pyridinecarboxamide

3-pyridinecarboxamide and 4-pyridinecarboxamide

respectively. These kinetic parameters for pyridinecarboxamide hydrolysis are more reliable and accurate than those from the consecutive hydrolysis of cyanopyridines.

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