Investigate the kinetics of coke solution loss reaction with an alkali metal as a catalyst based on the improved genetic algorithm
Zhao Lei
Yunhe Zhang
Ping Cui
摘要：The kinetics of coke solution loss reaction with and without sodium carbonate were investigated under the reaction atmosphere of carbon dioxide.The variables of gas flow rate and coke particle size were explored to eliminate the external and internal diffusion,respectively.Then,the improved method combining with the least square and the genetic algorithm was proposed to solve the homogeneous model and the shrinking core model.It was found that the improved genetic algorithm method has good stability by studying the fitness function at each generation.In the homogeneous model,the activation energy with and without sodium carbonate was 54.89 and 95.56 kJ/mol,respectively.And,the activation energy with and without sodium carbonate in the shrinking core model was 49.83 and 92.18 kJ/mol,respectively.Therefore,it was concluded that the sodium carbonate has the catalytic action.In addition,results showed that the estimated conversions were agreed well with the experimental ones,which indicated that the calculated kinetic parameters were valid and the proposed method was successfully developed.
机标关键词：
资助基金：Financial supports for this work from the National Natural Science Foundation of China(21476001)Key Project of Anhui Provincial Department of Education (KJ2017A045)are gratefully acknowledged.The Project was also supported by Open Fund of Shaanxi Key Laboratory of Energy Chemical Process Intensification(SXECPI201601)
论文发表日期：2018-01-01
在线出版日期：2025-08-15（本平台首次上网日期，不代表文献的发表时间）
页数：9( 430-438 )
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