Filtra Catalysts and Chemicals Ltd. Offer Hydrogenation Catalyst. Filtra Catalysts and Chemicals Ltd. Is an ISO 9001:2000 certified company. The Hydrogenation Catalyst is one of the important industrial processes. Copper Chromite Catalysts are employed in hydrogenation/dehydrogenation reactions like Nitrobenzene-Aniline, Crotonaldehyde-N-butynol, Ethanol -acetaldehyde, furfural synthesis and many other processes such as amines from nitro compounds.