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Lim, Hankwon
Sustainable Process Analysis, Design, and Engineering (SPADE)
Research Interests
  • Process analysis, Process design, Techno-economic analysis, Separation process, Reaction engineering, Computational fluid dynamics, Membrane reactor, H2 energy, Water electrolysis, Vanadium redox flow battery, Greenhouse gas reduction

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Conceptual feasibility studies for cost-efficient and bi-functional methylcyclohexane dehydrogenation in a membrane reactor for H-2 storage and production

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Title
Conceptual feasibility studies for cost-efficient and bi-functional methylcyclohexane dehydrogenation in a membrane reactor for H-2 storage and production
Author
Byun, ManheeKim, HeehyangChoe, ChanggwonLim, Hankwon
Issue Date
2021-01
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
ENERGY CONVERSION AND MANAGEMENT, v.227, pp.113576
Abstract
As the global trend towards transition to a "hydrogen society" continues to gain momentum, a lot of studies on alternative hydrogen (H-2) production methods are on the rise. Among them, methylcyclohexane (MCH) dehydrogenation in a membrane reactor (MR) is reported here as one possible candidate, affording its enhanced H-2 yield and a compact design. In this study, techno-economic analysis and carbon footprint analysis (CFA) of MCH dehydrogenation in an MR are carried out to investigate economic and environmental feasibility providing techno-economic and environmental guidelines for realizing it as mature technology. The economic parameters are determined through process simulation using Aspen Plus (R), and the unit H-2 production costs are obtained for a packed-bed reactor (PBR) and an MR in H-2 production capacities of 30, 100, 300, and 700 m(3) h(-1). The effects of each economic parameter on the unit H-2 production cost are identified through sensitivity analysis (SA) and scenario analysis is performed under various conditions to investigate the effects of technical parameters of the membrane, such as the H-2 production capacity, temperature, and H-2 permeance on the unit H-2 production costs. CFA is also performed to investigate the environmental feasibility of MCH dehydrogenation in an MR by considering CO2 emissions at each part.
URI
https://scholarworks.unist.ac.kr/handle/201301/50045
URL
https://www.sciencedirect.com/science/article/pii/S0196890420311055?via%3Dihub
DOI
10.1016/j.enconman.2020.113576
ISSN
0196-8904
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ECHE_Journal Papers
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