Journal
ENERGY CONVERSION AND MANAGEMENT
Volume 227, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2020.113576
Keywords
Methylcyclohexane dehydrogenation; H-2 production; Membrane reactor; Techno-economic analysis; Process simulation; Carbon footprint analysis
Categories
Funding
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Trade, Industry & Energy, Republic of Korea [20183010032380, 20173030041290]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20173030041290] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study conducted a techno-economic and environmental analysis of MCH dehydrogenation in a membrane reactor (MR), investigating economic feasibility through process simulation and sensitivity analysis, as well as exploring the effects of technical parameters of the membrane on H-2 production costs. Carbon footprint analysis (CFA) was also performed to assess the environmental feasibility by considering CO2 emissions at each part.
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.
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