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Efficient hydrogen production with CO2 capture using gas switching reforming (GSR): techno-economic assessment
Norwegian University of Science and Technology, Trondheim, Norway.ORCID iD: 0000-0002-4056-0454
Sintef Industry, Trondheim, Norway.
Sintef Industry, Trondheim, Norway.
Norwegian University of Science and Technology, Trondheim, Norway ; Sintef Industry, Trondheim, Norway.
2019 (English)In: Proceedings of the 32nd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS), 2019, p. 635-644Conference paper, Published paper (Refereed)
Abstract [en]

Hydrogen is identified as one of the clean energy carriers in the future energy scenario. This work presents a process to produce low cost hydrogen with CO2 capture using gasswitching reforming (GSR). The process steps include GSR, water-gas shift, purehydrogen recovery in pressure-swing adsorption process and CO2 and hydrogencompression trains. The overall process, denoted as GSR-H2, produces 99.999% purehydrogen with >96% CO2 capture. In this study, GSR-H2 is compared economically with the conventional steam-methane reforming (SMR) plant that produces hydrogenwithout CO2 capture. GSR-H2 produces 10% more hydrogen when compared to theSMR plant, but consumes significant imported electricity. The cost of hydrogenproduced from the GSR-H2 and SMR plant is similar (1.67 €/kg-H2) with a CO2 tax of only 20 €/ton, even with GSR-H2 being a near zero emission plant. In a future energy scenario where the CO2 emission tax is high and the electricity price is low, GSR-H2will significantly outperform the conventional SMR plant.

Place, publisher, year, edition, pages
2019. p. 635-644
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-264382OAI: oai:DiVA.org:kth-264382DiVA, id: diva2:1373359
Conference
The 32nd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS), Wroclaw, Poland, 23-28 June 2019
Note

QC 20191127

Available from: 2019-11-26 Created: 2019-11-26 Last updated: 2019-11-27Bibliographically approved

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CiteExportLink to record
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