Kinetics for hydrogen production by methanol steam reforming in fluidized bed reactor
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- 作者：Fuxiang Zhang ; Yingshuang Shi ; Lijun Yang ; Xiaoze Du
- 关键词：Kinetics model ; Methanol steam reforming ; Hydrogen production ; Fluidized bed reactor
- 刊名：Chinese Science Bulletin
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：61
- 期：5
- 页码：401-405
- 全文大小：490 KB
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Yingshuang Shi (1)
Lijun Yang (1)
Xiaoze Du (1)
1. Key Laboratory of Condition Monitoring and Control for Power Plant Equipment (North China Electric Power University), Ministry of Education, Beijing, 102206, China - 刊物主题：Science, general; Life Sciences, general; Physics, general; Chemistry/Food Science, general; Earth Sciences, general; Engineering, general;
- 出版者：Springer Berlin Heidelberg
- ISSN：1861-9541
文摘
Hydrogen is one of the best energy carriers. Fluidized bed reactor provides a promising approach for hydrogen production. To describe the hydrogen generating rate with methanol steam reforming in fluidized bed reactor quantitatively, dual-rate kinetic models of the reactions with exponent form were developed, including that of steam reforming reaction (SR) and decomposition reaction (DE). The reaction rate per unit mass of catalyst was related to partial pressures of components. The exponentials in kinetic equations were obtained by linear least-squares method based on the experimental data. The variance homogeneity test (F test) shows that the dynamic models are feasible with high accuracy, which can be used to predict the generating rate of hydrogen under different reaction temperatures and feed flow rates in fluidized bed reactor. The SR and DE activation energy obtained indicates that E SR < E DE, which can explain the previous observation that the CO2 selectivity decreased with the temperature increase.