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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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Technical and economic feasibility under uncertainty for methane dry reforming of coke oven gas as simultaneous H-2 production and CO2 utilization

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Title
Technical and economic feasibility under uncertainty for methane dry reforming of coke oven gas as simultaneous H-2 production and CO2 utilization
Author
Lee, BoreumKim, HyunwooLee, HyunjunByun, ManheeWon, WangyunLim, Hankwon
Issue Date
2020-11
Publisher
Elsevier BV
Citation
RENEWABLE & SUSTAINABLE ENERGY REVIEWS, v.133, pp.110056
Abstract
The ultimate goal of this work is technical and economic feasibility analysis of a methane dry reforming (MDR) using a coke oven gas (COG) for a H-2 production capability of 700 m(3) h(-1) because this technology is the promising alternative approach to H-2 production as well as CO2 utilization. From process simulation works, process flow diagram is created for MDR using COG and validated by performance results from the previously reported literature. With a process flow diagram to be confirmed via model validation, the best reaction temperature of 1073 K is observed in terms of methane conversion. Based on process simulation results, economic analysis is performed. Furthermore, case studies focusing on an operating expense are conducted to consider various aspects of a CO2 price and confirm the effect of CO2 price on unit H-2 production cost. Respective H-2 production costs of 3.27, 2.71, and 2.38 $ kgH(2)(-1) for a case 1 (reference), a case 2 (case 1 + CO2 absorption), and a case 3 (case 2 + CO2 from a blast furnace) are obtained. In addition, uncertainty analysis is performed to suggest the possible H-2 production cost range for each case by considering the uncertainty of CO2 price fluctuation. Consequently, it is expected that a MDR using a COG is feasible for a H-2 production as well as CO2 utilization technology compared to the current by-product H-2 cost if carbon cap-and-trade system is activated.
URI
https://scholarworks.unist.ac.kr/handle/201301/48856
URL
https://www.sciencedirect.com/science/article/pii/S1364032120303476?via%3Dihub
DOI
10.1016/j.rser.2020.110056
ISSN
1364-0321
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