Abstract

The start-up and shut-down procedures of an autothermal reformer were investigated to understand the issues affecting catalyst degradation. This investigation gives insight into the transient response using fuel-lean and fuel-rich start-up and shut-down methodologies. Sudden repeated temperature changes on the top surface of the catalyst caused by oxidation show a gradual loss of catalytic activity. A number of start-up and shut-down cycles were repeated for both fuel-lean and fuel-rich methodologies to and from a fixed steady state O2/CH3OH ratio. The experimental results gathered can provide insight in order to develop adequate start-up and shut-down procedures using autothermal reformation.

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