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Abstract:
A microstructured catalytic reactor/heat exchanger has been developed, based on the microstructured heat exchanger of the Forschungszentrum Karlsruhe. One channel set of a crossflow device is coated with a platinum catalyst supported on Al2O3, the other channel set is used for heat removal, either by a gaseous or a liquid fluid. Stoichiometric mixtures of hydrogen and oxygen can be safely combusted in this device, while heat can be transferred either to a heat exchanger oil or used to evaporate water or methanol. Such a system can be useful as part of the fuel processor for fuel cell driven cars.