Heat-integrated hydrogen production from liquid fuels: Demonstration of cartridge-based micro-reformers
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abstract
A significant chemical engineering challenge is to develop efficient, portable and robust processors capable of converting multiple liquid hydrocarbon fuels to hydrogen at competitive thermal efficiencies. Complex networks comprised of multiple microchannel reactors provide a powerful means of addressing this challenge. This presentation will review the design, fabrication and testing of a new class of micro-channel reactors, combining benefits of micromachining for realizing complex, two-dimensional radial distribution patterns with extrusion for versatile fabrication of scalable micro-channel networks over a range of thermal, mechanical and catalytic properties 1. In this report, the authors focus upon utilizing cordierite ceramics for realizing local hot-spots and self-insulating designs, as predicted by prior theoretical analysis 2. Experimental results utilizing coupled methanol combustion and/or partial oxidation with steam reforming for autothermal hydrogen production will be presented, as well as preliminary results utilizing catalytic and/or permselective membranes within the ceramic microchannel network for hydrogen extraction.
