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U.S. Department of Energy
Office of Scientific and Technical Information

Cryogenic expander recovery process

Patent ·
OSTI ID:6175539
A process is described for the separation and recovery of C3 and heavier hydrocarbons from a gaseous hydrocarbon containing feed stream such as natural gas or refinery gas in which the gaseous feed stream is cryogenically expanded and the expanded gas is brought into contact with an absorption medium. The C3 and heavier components are liquefied and subsequently subjected to distillation and recovered as liquid product.
Assignee:
Fluor Corp Ltd
Patent Number(s):
US 4272269
OSTI ID:
6175539
Country of Publication:
United States
Language:
English