| 摘要 |
petroleum processing catalysts. SUBSTANCE: rhenium is deposited onto freshly precipitated aluminum hydroxide from rhenium acid or its ammonium salt aqueous solution. Support is formed into granules, which are dried at 110-130 C, calcined at temperature up to 550 C, impregnated with aqueous solution of platinum-hydrochloride solution, dried, and calcined. Catalyst can be used with no preliminary sulfurization. EFFECT: increased stability of catalyst in early operation period. 2 cl, 1 tbl |
