Summary Catalyst carriers with various porous structures consisting of barium-stabilized γ-Al2O3 have been developed. Phase composition analysis and specific surface area measurements for samples calcined at 480-1240°C proved that the carriers have increased thermal stability. The pore structure of the carrier has been related to the grain size, pre-calcination temperature of alumina powder and the amount of aluminium hydroxide used for binding and shaping the γ-Al2O3 grains. It has been shown that catalysts with this type of carrier are suitable for the hydro-desulphurization of crude oil residues.

S. Janiak

Papers

Polydispersive Aluminium Oxide as a Catalyst Carrier