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자료유형
학술대회자료
저자정보
신동환 (과학기술연합대학원대학교) 강상규 (한국기계연구원)
저널정보
대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2018년도 학술대회
발행연도
2018.12
수록면
735 - 740 (6page)

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Ion transport membrane (ITM) reactors have been investigated as a promising novel technology for syngas production which includes air separation and fuel conversion. The main reaction of the ITM reactor is catalytic partial oxidation, which has ideal H₂/CO ratio for downstream processes. Because the syngas is produced at the sweep channel not feed channel, ITM reactor is free of NOx and it has high CO selectivity. For commercialization of the ITM reactor, it is necessary to analyze the characteristics inside the reactor under various operating conditions. In this study, two-dimensional ITM reactor model has been developed using Aspen Plus<SUP>®</SUP> to analyze the membrane reactor characteristics. ITM model is discretized into ten control volumes along the gas flow parallel direction and three control volumes along the gas flow perpendicular direction to capture the characteristics of the reactor. The partial oxidation reforming mechanism has been adopted concerned about methane oxidation, steam reforming, and carbon monoxide reforming. Continuous stirred tank reactor (CSTR) has been used to simulate the reaction kinetics of reforming processes. Since the oxygen permeation rate is driven by the oxygen partial pressure gradient and operating temperature, oxygen partial pressure and temperature distribution along the control volume have been presented. CH₄ conversion, CO selectivity, H₂/CO ratio, temperature, and oxygen permeation rate have been analyzed by varying the carbon space velocity.

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Abstract
1. 서론
2. 반응기 모델링
3. 결과
4. 결론
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