| abstract |
(57) [Summary]nMethods for reducing catalyst attrition loss in hydrocarbon synthesis processes performed in high agitation reaction systems, methods for producing attrition resistant catalysts, catalysts produced by such methods, methods for producing attrition resistant catalyst supports, such Process-produced catalyst supports, the process and catalysts of the present invention have several aspects. In one aspect, the catalyst preferably comprises a gamma-alumina support containing an effective amount of titanium to increase the attrition resistance of the catalyst. including. In another aspect, the catalyst preferably comprises cobalt on a gamma-alumina support, wherein the cobalt has been deposited on the gamma-alumina support by a complete aqueous precursor wet-type impregnation. In another aspect, the catalyst comprises cobalt on a gamma-alumina support, with an amount of a lanthana promoter effective to increase the attrition resistance of the catalyst. In another aspect, the catalyst preferably comprises a gamma-alumina support made from boehmite having a crystal size in the range of about 30 to about 55 angstroms on the 021 face. Use of the present catalyst in a high agitation reaction system results in reduced catalyst attrition losses. |