LAPSE:2023.21468
Published Article
LAPSE:2023.21468
Simulation Study to Investigate the Effects of Operational Conditions on Methylcyclohexane Dehydrogenation for Hydrogen Production
March 22, 2023
In the recent era, hydrogen has gained immense consideration as a clean-energy carrier. Its storage is, however, still the main hurdle in the implementation of a hydrogen-based clean economy. Liquid organic hydrogen carriers (LOHCs) are a potential option for hydrogen storage in ambient conditions, and can contribute to the clean-fuel concept in the future. In the present work, a parametric and simulation study was carried out for the storage and release of hydrogen for the methylcyclohexane toluene system. In particular, the methylcyclohexane dehydrogenation reaction is investigated over six potential catalysts for the temperature range of 300−450 °C and a pressure range of 1−3 bar to select the best catalyst under optimum operating conditions. Moreover, the effects of hydrogen addition in the feed mixture, and byproduct yield, are also studied as functions of operating conditions. The best catalyst selected for the process is 1 wt. % Pt/γ-Al2O3. The optimum operating conditions selected for the dehydrogenation process are 360 °C and 1.8 bar. Hydrogen addition in the feed reduces the percentage of methylcyclohexane conversion but is required to enhance the catalyst’s stability. Aspen HYSYS v. 9.0 (AspenTech, Lahore, Pakistan) has been used to carry out the simulation study.
Keywords
Aspen HYSYS, dehydrogenation, Energy, LOHC, methylcyclohexane, Simulation
Suggested Citation
Hamayun MH, Maafa IM, Hussain M, Aslam R. Simulation Study to Investigate the Effects of Operational Conditions on Methylcyclohexane Dehydrogenation for Hydrogen Production. (2023). LAPSE:2023.21468
Author Affiliations
Hamayun MH: Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Defence Road, Off-Raiwind Road, Lahore 54000, Pakistan [ORCID]
Maafa IM: Department of Chemical Engineering, College of Engineering, Jazan University, Jazan 45142, Saudi Arabia
Hussain M: Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Defence Road, Off-Raiwind Road, Lahore 54000, Pakistan [ORCID]
Aslam R: Institute of Chemical Engineering and Technology, University of the Punjab, New Campus, Lahore 54590, Pakistan [ORCID]
Journal Name
Energies
Volume
13
Issue
1
Article Number
E206
Year
2020
Publication Date
2020-01-01
Published Version
ISSN
1996-1073
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Original Submission
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PII: en13010206, Publication Type: Journal Article
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LAPSE:2023.21468
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doi:10.3390/en13010206
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Mar 22, 2023
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