The scheme uses a 3 stage compressor wherein at least a portion of the high pressure liquid from the high pressure flash zone is used in a solvent recovery step to remove lean solvent from a combined stream of the compressed low and medium pressure off gases in the high pressure flash zone to reduce {HEAD ~ overall solvent losses} from {TAIL ~ the process} 
The scheme uses a 3 stage compressor wherein at least a portion of the high pressure liquid from the high pressure flash zone is used in a solvent recovery step to remove lean solvent from a combined stream of the compressed low and medium pressure off gases in the high pressure flash zone to reduce { HEAD ~ overall solvent losses } from { TAIL ~ the process }
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