Exergy analysis of a simulation of the sulfuric acid decomposition process of the SI cycle for nuclear hydrogen production

Title
Exergy analysis of a simulation of the sulfuric acid decomposition process of the SI cycle for nuclear hydrogen production
Authors
박재득조재현정헌정광덕문일
Keywords
Exergy analysis; sulfuric acid decomposition; SI cycle process; Hydrogen production
Issue Date
2014-01
Publisher
International journal of hydrogen energy
Citation
VOL 39, NO 1, 54-61
Abstract
his article details comprehensive energy and exergy analyses of the sulfuric acid decomposition process of the sulfur–iodine (SI) thermochemical cycle for hydrogen production. Energy and exergy efficiencies of the proposed process were evaluated over a variety of reaction temperatures and pressures. At an atmospheric temperature of 25 °C, the calculated values of exergy destruction of the H2SO4 decomposer ranged between 157 kJ/mol and 360 kJ/mol over reaction temperatures of 800–1000 °C and pressures between 1 and 50 atm. It was shown that the exergy efficiency of the H2SO4 decomposer improved with an increase in reaction temperature, while reaction pressure had a negative effect on exergy efficiency.
URI
http://pubs.kist.re.kr/handle/201004/47748
ISSN
03603199
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KIST Publication > Article
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