Control of a hydrofining process for hydrocarbon-containing feed

Details Control of a hydrofining process for hydrocarbon-containing feed Control of a hydrofining process for hydrocarbon-containing feed

1984-06-11

1986-10-14

Lacey, David L.

Mineral oils: processes and products

Refining

Sulfur removal

208213, 208251H, 208DIG1, 422 62, 422111, 422112, 585259, 585263, C10G 4502

Patent

active

046171100

ABSTRACT:
In a two-stage hydrofining process, hydrogen is utilized as a quench fluid to reduce the temperature of the effluent withdrawn from the hydrodemetallization stage prior to providing such effluent to the hydrodesulfurization stage and the flow of such hydrogen is controlled so as to maintain a desired temperature for the feed to the hydrodesulfurization stage. Also, the flow of fuel to a furnace is controlled so as to maintain a desired temperature for the feed to the hydrodemetallization stage and hydrogen flow rates are manipulated throughout the process so as to maintain desired hydrogen concentrations throughout the hydrofining process.

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