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铜基催化剂上甲醇合成的动态反应动力学
引用本文:陈晓春,李成岳,饶国瑛.铜基催化剂上甲醇合成的动态反应动力学[J].中国化学工程学报,2000,8(4):315-320.
作者姓名:陈晓春  李成岳  饶国瑛
作者单位:GollegeofGhemicalEngineering:BeijingUniveraityofChemicalTechnology,Beijing100029,China
基金项目:Supported by the National Natural Science Foundation of China(N.29476223) and Ministry of Chemical Industry of China under a contract(No.95-23-01).
摘    要:Adsorption, surface reaction and process dynamics on the surface of a commercial copper-based cata-lyst for methanol synthesis from CO/CO2/H2 were systematically studied by means of temperature programmed desorption (TPD), temperature programmed surface reaction (TPSR), in-situ Fourier transform-inferred spectroecopy(FTIR) and stimulus-response techniques. As a part of results, an elementary step sequence was suggested and a group of ordinary differential equations (ODEs) for describing transient conversations relevant to all species on the catalyst surface and in the gas phase in a micro-fixed-bed reactor was derived. The values of the parameters referred to dynamic kinetics were estimated by fitting the solution of the ODEs with the transient response data obtained by the stimulus-response technique with a FTIR analyzer as an on-line detector.

关 键 词:铜基催化剂  甲醇  合成  动态反应  反应动力学  反应步骤  参数估计
修稿时间: 

Dynamic Kinetics of Methanol Synthesis over a Commercial Copper-Based Catalyst
CHEN Xiaochun,RAO Guoying.Dynamic Kinetics of Methanol Synthesis over a Commercial Copper-Based Catalyst[J].Chinese Journal of Chemical Engineering,2000,8(4):315-320.
Authors:CHEN Xiaochun  RAO Guoying
Affiliation:College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
Abstract:Adsorption, surface reaction and process dynamics on the surface of a commercial copper-based catalyst for methanol synthesis from CO/CO2/H2 were systematically studied by means of temperature programmed desorption (TPD), temperature programmed surface reaction (TPSR), in-situ Fourier transform-inferred spec-troscopy(FTIR) and stimulus-response techniques. As a part of results, an elementary step sequence was suggested and a group of ordinary differential equations (ODEs) for describing transient conversations relevant to all species on the catalyst surface and in the gas phase in a micro-fixed-bed reactor was derived. The values of the parameters referred to dynamic kinetics were estimated by fitting the solution of the ODEs with the transient response data obtained by the stimulus-response technique with a FTIR analyzer as an on-line detector.
Keywords:methanol synthesis  copper-based catalyst  dynamic kinetics  elementary step sequence  parameter estimation
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