Abstract
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 2/CH 3OH) 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 2/CH 3OH differently from higher hydrocarbons. According to the past studies, the optimum O 2/CH 3OH 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 2/CH 3OH. 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.
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