Patent ID: 6280607
Filing Date: 2001-08-28
Classification: B01D,B01J,C10G

Abstract:
A NOx removal composition suitable for reducing NOx emissions during catalyst regeneration in a fluid catalytic cracking process, said composition comprising particles having a particle size of about 20-200 .mu.m and comprising (i) an acidic oxide support containing at least 50 wt % alumina, (ii) about 1-10 parts by weight, measured as alkali metal oxide, of at least one alkali metal, (iii) at least 1 part by weight of CeO.sub.2 and (iv) about 0.01-5.0 parts by weight, measured as metal oxide, of a transition metal selected from Group Ib of the Periodic Table, all of said parts by weight being per 100 parts by weight of said acidic oxide support material.