Simulation of integrated purification systems for hydrogen production in methanol steam reforming process

Document Type : Research Paper


1 makek ashtar university

2 Research Lab for Advanced Separation Processes, School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology (IUST), Iran

3 Northern Research Center for Science & Technology, Malek Ashtar University of Technology, Iran

4 Malek Ashtar University of Technology, Fuel Cell Technology Research Laboratory

5 Malek Ashtar University of technology, Tehran, Iran


Recently, the use of clean energy has become the interest topic for researchers. Hydrogen has attracted the attention of researchers and industries as an alternative energy. Among the sources that exist for hydrogen production, methanol fuel is considered as an attractive feedstock for hydrogen production due to its advantages. The output stream from the methanol steam reforming reactor contains some carbon monoxide, and considering that carbon monoxide leads to fuel cell catalyst damage, its concentration should be reduced. In the present work, the focus is on the design and simulation of the purification system of the methanol steam reforming process. Therefore, in the present study, in order to reduce the concentration of carbon monoxide output of the reformer, the PROX unit was used. In this system, Pt/Al2O3 catalyst was used to increase the reaction rate. Aspen plus V11.0 software was used to simulate the PROX system. The results showed that carbon monoxide was completely removed from the system during the reactor. Next, in order to increase the concentration of hydrogen, the PSA column including activated carbon absorber was used as a purification system. Simulation and design of PSA process were done in Aspen adsorption V11.0 software. Hydrogen purity of 99.9915% was obtained in the output stream from the PSA column. To validation of the results obtained from the simulation, the present work was compared with the study of Abdeljaoued and et al [30]. The results obtained from the simulation showed the acceptable error percentage with the results of the article.


Main Subjects

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