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RISS 인기검색어
- 검색키워드
- 저자 : J. Lars Dorr (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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An investigation of reaction progression through the catalyst bed inmethanol autothermal reformation
김형만,최갑승,윤형철,J. Lars Dorr,Paul A. Erickson 대한기계학회 2008 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.22 No.2
This study investigates autothermal reforming of fuel cell-grade methanol as a method for producing hydrogen for transportation applications. A previous study on the effects of oxygen-to-carbon ratio on ATR reactor performance showed that the optimum of O2/CH3OH=0.30 found in the experimental tests is 30% higher than the theoretical optimum of 0.23. In this study, the influence of catalyst bed length is investigated to give insight into the reaction progression through the catalyst bed in methanol autothermal reformation. The effect of reaction progression through the catalyst bed is experimentally investigated in relation to reactor output parameters of fuel conversion, temperature profile, and reactor efficiency. The results from this study serve as a baseline for future research of autothermal reforming of hydrocarbon fuels as a method for producing hydrogen.
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Choi, Kap-Seung,Choi, In-Jae,Hwang, Se-joon,Kim, Hyung-Man,Dorr, J. Lars,Erickson, Paul A. Elsevier 2010 International journal of hydrogen energy Vol.35 No.12
<P><B>Abstract</B></P><P>This study investigates autothermal reforming (ATR) of methanol as a method of producing fuel cell-grade hydrogen for transportation applications. From the previous works in autothermal reformation, it is known that while the steam-to-carbon ratio (S/C) may somewhat affect the efficiency of ATR, the oxygen-to-methanol ratio (O<SUB>2</SUB>/CH<SUB>3</SUB>OH) is a more significant parameter in ATR of higher hydrocarbons. Methanol differs from higher hydrocarbons in that it is reformed at relatively low temperatures and, therefore, may respond to O<SUB>2</SUB>/CH<SUB>3</SUB>OH differently from higher hydrocarbons. According to the past studies, the optimum O<SUB>2</SUB>/CH<SUB>3</SUB>OH for ATR of methanol is equal to 0.23. However, this conclusion is based on models which utilize assumptions that are not necessarily accurate, such as complete fuel conversion and ideal reaction products. This study presents experimental data that shows how the ATR reactor efficiency varies with O<SUB>2</SUB>/CH<SUB>3</SUB>OH. The results from this study may serve as a baseline for future research of autothermal reforming of hydrocarbon fuels as a method of producing hydrogen in transportation applications.</P>
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