C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/71
C10G 11/16 (2006.01)
Patent
CA 1107218
MOVING-BED REACTOR STARTUP PROCESS ABSTRACT A startup method for moving-bed reactors used in hydrocarbon conversion processes wherein the reactor is brought on-stream at full capacity while it contains less than a full loading of catalyst, and quantities of catalyst are intermittently added to the reactor while the hydrocarbons are being processed. Catalyst removal is then begun at a rate lower than the rate of catalyst addition and adjusted when the catalyst retention volume of the reactor becomes filled. The method is specifical- ly adaptable to the hydrogenation of olefinic materials, the desulfurization of petroleum fractions and the produc- tion of liquid products from coal.
312648
Czajkowski George J.
Stolfa Frank
Macrae & Co.
Uop Inc.
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