KaiDa gas purification catalysts comprise a carefully controlled dispersion of precious metal on alumina pellets. Each exhibits high resistance to abrasion and a high crush strength. The catalysts are capable of reducing oxygen and hydrogen impurities to less than 1ppm.

Metal	Size/Shape	Support Material	Assay	Application
Pt	1.0-2.0mm 2.0-3.0mm 3.0-5.0mm	Alumina	0.1% 0.3% 0.5%	VOC removal from vent streams by combination with O2. For Organic Synthesis Dehydrogenation, Aromatic Ring, Hydrogenation, Decomposition of Hydrogen Peroxide For Gas Purification H2 from O2, Ar, N2, CO2, air, He He/Ar by combination with O2O2 from N2, by reaction with CH4Hydrocarbons from O2, N2, CO2, air He, Ar, by reaction with O2CO from CO2, N2, air by combination with O2
Pd	1.0-2.0mm 2.0-3.0mm 3.0-5.0mm >5.0mm pellet	Alumina	0.3% 0.5% 1.0%	For Organic SynthesisHydrogenation/DehydrogenationHydrogenation of Phenols, Amination of Ketones, Hydrogenation of Olefins, Aromatic Ring Hydrogenation For Gas Purification O2 from H2, N2, Ar, CO2 by combination with H2 O3 from air or water
Ru	3.0mm	Alumina Pellet	0.5%	For organic Synthesis Hydrogenation of AAliphatic Carbonyls, Aromatic Ring Hydrogenation For Gas Purification H2 from O2,Ar, N2, CO2, air, He, He/Ar by combination with O2O2 from N2 by reaction with CH4 Hydrocarbons from O2, N2, CO2, air He, Ar, by reaction with O2CO from CO2, N2, air by combination with O2