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

Process for LPG recovery

Patent ·
OSTI ID:5282309
An improved process is described for the separation and recovery of substantially all the propane and heavier hydrocarbon components in a hydrocarbon gaseous feedstream. In this process, the vapor stream from a deethanizer is cooled to liquefaction and contacted with a vapor phase from the hydrocarbon gaseous feedstream. The contact takes place within a direct heat exchanger, and the resulting vapor fraction, which is essentially ethane and methane, is the gaseous product of the process.
Assignee:
Exxon Production Research Co.
Patent Number(s):
US 4507133
OSTI ID:
5282309
Country of Publication:
United States
Language:
English