铜基催化剂上甲醇合成的动态反应动力学

CIESC Journal

• RESEARCH PAPERS • 上一篇下一篇

铜基催化剂上甲醇合成的动态反应动力学

陈晓春; 李成岳; 饶国瑛

College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029,
China

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2000-12-18 发布日期:2000-12-18
通讯作者: 陈晓春

Dynamic Kinetics of Methanol Synthesis over a Commercial Copper-Based Catalyst

CHEN Xiaochun; RAO Guoying

College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029,
China

Received:1900-01-01 Revised:1900-01-01 Online:2000-12-18 Published:2000-12-18
Contact: CHEN Xiaochun

摘要/Abstract

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), tsmperature programmed surface reaction (TPSR),
in-situ Fourier transform-inferred spec troscopy(FTIR) and stimulua-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: methanol synthesis;copper-bnsed catalyst;dynamic kinetics;elementary step sequence; parameter estimation

Abstract: 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), tsmperature programmed surface reaction (TPSR),
in-situ Fourier transform-inferred spec troscopy(FTIR) and stimulua-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.

Key words: methanol synthesis, copper-bnsed catalyst, dynamic kinetics, elementary step sequence, parameter estimation

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]. CIESC Journal.

CHEN Xiaochun, RAO Guoying. Dynamic Kinetics of Methanol Synthesis over a Commercial Copper-Based Catalyst[J]. .

参考文献

[1] Boreskov, G., Matros, Yu. Sh., “Flow reversal of reaction mixture in a fixed catalyst
bed－a way to ncrease the efficiency of chemical processes”, Appl. Catal., 5, 337 (1983).
[2] Silveston, P. L., “Periodic operation of reactors－A review of experimental literature
”, In: Reactions and Reaction Engineering; Mnskelkar, R. A., Kumar, R., eds., Indian
Academy of Sciences, Bangalore (1987).
[3] Matros, Yu. Sh., Catalytic Processes under Unsteady-State Condition, Elsevier Science,
Amsterdam, (1989).
[4] Renken, A., Matros, Yu. Sh., Unsteady State Processes in Catalysis, VSP, Utrecht, 183
(1990).
[5] Silveston, P. L., Hudgins, R. R., Renken, A., “Periodic operation of catalytic
reactors－Introduction and overview”,Catal. Today, 25, 91－112 (1995).
[6] Matros, Yu. Sh., “Forced unsteady-state processes in het erogeneous catalytic reactors
”, Can. J. Chem. Eng., 74(5), 566－579 (1996).
[7] Matros, Yu. Sh., Bunimovich., G. A., “Reverse flow operation in fixed bed catalytic
reactor”, Catal. Rev. Sci. Eng.,38 (1), 1－68 (1996).
[8] Neophytides, S. G., Marchi, A. J., Froment, G. F.,“Methanol synthesis by means of
diffuse reflectance infrared Fourier transform and temperature-programmed reaction
spectroscopy”, Appl. Catal. A: General, 86, 45－64 (1992).
[9] Neophytides, S. G., Froment, G. F., “A bench scale study of rversed flow methanol
synthesis”, Ind. Eng. Chem. Res.,31, 1583－1589 (1992).
[10] Vanden Buesche, K. M., Neophytides, S. N., Zolotarskii, I.A., Froment, G. F.,
“Modeling and simulation of the reversal flow operation of a fixed-bed reactor for
methanolsynthesis”, Chem. Eng. Sci., 48 (19), 3335－3345 (1993).
[11] Amenomiya, Y., Tagawa, T., “Infrared study of methanol synthesis from CO2＋H2 on
supported copperzinc oxide catalysts”, 8th International Congress on Catalysis Proceed
ings, West Berlin, Vol 2, 557－567 (1988).
[12] Askgaard, T. S., Norskov, J. K., Ovesen, C. V., Stoltze, P.A., “Kinetic model of
methanol synthesis”, J. Catal., 56,229-242 (1995).
[13] Chinchen, G. C., Waugh, K. C., Whan, D. A., “The activ ity and state of the copper
surface in methanol synthesis atalysts”, Appl. Catal., 25, 101－107 (1986).
[14] Vanden Bussche, K. M., Fremont, G. F., “Nature of formatein methanol synthesis on
Cu/ZnO/Al2O3, Appl. Catal.A:General, 112, 37－55 (1994).
[15] Fang, D. Y., Yao, P. F., Zhu, B. Ch., Progress in Methanol Production, East China
University of Chemical Technology Press, Shanghai (1990). (in Chinese)
[16] Gear, G. W., Translated into Chinese by Fei Jinggao. Nu merical Algorithm of the
Ordinary Differential Equations with Initial Conditions. Science Press of China, Beijing
(1992). (in Chinese)
[17] Xu, Sh. L., FORTRAN-Common Algorithm Package,Qinghua University Press, Beijing,
(1992). (in Chinese)

铜基催化剂上甲醇合成的动态反应动力学

Dynamic Kinetics of Methanol Synthesis over a Commercial Copper-Based Catalyst

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 0

编辑推荐

Metrics

本文评价