Method for grading cylindrical catalyst particles in a bed to re

Details Method for grading cylindrical catalyst particles in a bed to re Method for grading cylindrical catalyst particles in a bed to re

1996-05-24

1998-11-17

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208213, 208108, 208134, 208251H, 208254H, C10G 4702

Patent

active

058371281

ABSTRACT:
A method is disclosed for optimizing the pressure drop in the catalytic conversion of a feed in a bed of catalyst particles in a vertically arranged reactor by grading the catalyst particles within the bed by pressure drop.

REFERENCES:
patent: 3702238 (1972-11-01), Armistead et al.
patent: 4142988 (1979-03-01), Chinchen
patent: 4615796 (1986-10-01), Kramer
patent: 4830736 (1989-05-01), Hung et al.
patent: 5368722 (1994-11-01), Bartholdy
An Article from Oil & Gas Journal, vol. 86, No. 51, Dec. 19, 1988 entitled "Improved Catalyst Loading Reduces Guard Reactor Fouling" by Emerson C. Sanford and Roger P. Kirchen, pp. 35-41.
English Language Abstract of Japanese Patent No. 05,228,356, Jul. 1993.

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