Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same
Patent
1982-06-29
1985-02-12
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Phosphorus or compound containing same
502213, 502242, 208111, B01J 2104, B01J 2106, B01J 2188, B01J 2718
Patent
active
044992025
ABSTRACT:
The invention relates to a particular method for the preparation of a hydrocracking catalyst, using a high iron content bauxite as a basis. This bauxite is ground and screened to a specific size and mixed with three types of additives: a promoter additive of the P, Mo, Co, Ni, W type. A hardener additive of the phosphoric acid type, ammonium phosphate. And a lubricant and pore-generating additive of the polyvinyl alcohol, polyethylene-glycol, starch type. The particularity consists in that the three additives are added simultaneously during the extrusion of the sample. That way, a particular surface composition is obtained which allows for the activity of the catalyst. Extruded products are obtained in sizes of 1/8, 1/16, and 1/32" and submitted to drying and calcination programs for their activation.
The obtained catalyst offers a good mechanical strength, a high content in macropores and a high activity, specifically for the hydrocracking of heavy Venezuelan crudes or residues.
REFERENCES:
patent: 2454056 (1948-11-01), Greger
patent: 3044964 (1962-07-01), Morrell
patent: 3214388 (1965-10-01), Calvert
patent: 3222297 (1965-12-01), Allegrini et al.
patent: 3819509 (1974-06-01), Wolk et al.
patent: 4102822 (1978-07-01), Mulaskey
patent: 4217206 (1980-08-01), Nongbri
Arias Beatriz
Galiasso Roberto
Kum Humberto
Intevep S.A.
Shine W. J.
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