A catalyst bed comprising synthetic inorganic polycrystalline fibres, especially alumina or zirconia, having a BET surface area of 5 to 200 m.sup.2 /g and a bulk density of 0.01 to 0.2 g/cc used to support 0.01% to 0.5% by weight of a Group 8 metal, e.g., platinum; used for the catalytic oxidation of...http://www.google.es/patents/US4177168?utm_source=gb-gplus-sharePatente US4177168 - Catalyst bed for use in a catalytic flameless heater device
Catalyst bed for use in a catalytic flameless heater device