Integrated thermal swing-pressure swing adsorption process for h

Details Integrated thermal swing-pressure swing adsorption process for h Integrated thermal swing-pressure swing adsorption process for h

1990-01-10

1991-04-30

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

585820, 585826, 208310R, 208310Z, 208 99, 208103, 55 25, 55 26, 55 31, 55 33, C07C 712

Patent

active

050120379

ABSTRACT:
Processes are disclosed for the separation of light hydrocarbons from a feedstream containing hydrogen, light hydrocarbons and heavy hydrocarbons. The processes employ thermal swing adsorption zone to adsorb heavy hydrocarbons and a pressure swing adsorption zone to remove the remaining light hydrocarbons. At least a portion of the product from the pressure swing adsorption zone is used to purge the thermal swing adsorption zone. Specific applications of the process of the present invention are disclosed with relation to hydrodealkylation processes and dehydrocyclodimerization processes.

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