GASIFICATION OF ISOOCTANE INTO HYDROGEN FOR FUEL CELLS APPLICATION USING SUPERCRITICAL WATER

Title
GASIFICATION OF ISOOCTANE INTO HYDROGEN FOR FUEL CELLS APPLICATION USING SUPERCRITICAL WATER
Authors
수산티Bambang Veriansyah김재훈김재덕이윤우
Issue Date
2009-05
Publisher
9th International Symposium on Supercritical Fluids
Abstract
The production of hydrogen by gasification of isooctane, a model compound of gasoline, was investigated in a continuous tubular reactor under supercritical water conditions without using catalysts. The influences of reactor temperature, residence time, oxidant concentration, and reactor geometrical configuration were examined at a fixed pressure of 25 MPa. The major components of the produced gas were hydrogen (H2), methane (CH4) and CO2 and the minor components of the produced gas were CO and C2H6. The experimental results show that hydrogen yield increased by applying higher reaction temperature, longer residence time and small amount of oxidant concentration. It was found out that down-up reactor configuration that has inclination around 15o give better flow rate stability of gas and liquid and hydrogen yield at almost 4 times higher compare to downdraft type. On the basis of this study, gasoline or heavy oil can be gasified with satisfying hydrogen yields using a compact supercritical water gasification system
URI
http://pubs.kist.re.kr/handle/201004/35276
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KIST Publication > Conference Paper
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