Patent ID: 7022643

Claim:
A process of producing a catalyst, the catalyst including a particulate lump carrier and a catalytic component supported thereon, the process comprising the step of: carrying out simultaneous revolving and rocking of a treatment container charged with a particulate lump carrier and a catalyst precursor including a catalytic component, such that said catalytic component becomes to be supported on said particulate lump carrier, wherein: a) the treatment container is the shape of a cylinder having a length of 1 to 3 times of its diameter and has a horizontally oriented central axis; b) the carrier is charged in an amount of 10 to 60% of a capacity of the treatment container; c) the step of carrying out simultaneous revolving and rocking revolves the treatment container at 5 to 60 rpm around the central axis; and d) the step of carrying out simultaneous revolving and rocking rocks the central axis at 1 to 12 spm in an upward and downward rocking angle of 5 to 90° C.