There are a number of options. Google "porous nickel" or "nickel foam" but beware of Alibaba.
"INCOFOAM" is an available nickel foam, produced in a wide porosity range which has been available for several years. A large scale commercial production facility is operating at the Vale/Inco refinery near Swansea, Wales UK. -----Original Message----- From: mar...@krteknik.com Why not embed the nickel / catalyst mix in a honeycomb, or other structure that gets easy access for both H2 and heat transfer to the walls of the tube ? Is there any practical method of doing this?
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