METHOD OF PREPARING CATALYST FOR SELECTIVE HYDROGENATION OF ACETYLENE AND DIENE COMPOUNDS Russian patent published in 1998 - IPC

FIELD: hydrogenation catalysts. SUBSTANCE: alpha-aluminum oxide carrier with specific surface 2 to 40 sq.m/g or silica gel is impregnated by palladium chloride solution in presence of 1-4 wt % of hydrochloric acid or palladium amino complex solution with palladium content 0.03-0.30 wt %. After ageing, catalyst is treated with allyl alcohol or allyl acetate, washed with distilled water, and dried. EFFECT: increased activity and selectivity, productivity, and lifetime of catalyst. 5 cl, 1 tbl