The following is a link to a paper(pdf or it would be here)
on the preparation of Clay based Nickle catalysts that would be useful for rolling your own bentonite pillared clays for MW reduction...
http://nanomac.uq.edu.au/publications/niclay.pdf
(Clip off the niclay.pdf and you can save it to your hard drive )
Infinite Radiant Light - THKRA