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U.S. Department of Energy
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Process and apparatus for treating natural gas. [recovery of ethane and heavier hydrocarbons]

Patent ·
OSTI ID:7117435
A process and apparatus disclosed for recovering ethane and heavier hydrocarbons from natural gas by heating the natural gas stream prior to the expansion and introduction thereof into a demethanizer operating under cryogenic conditions. Ethane and the heavier hydrocarbons are recovered from the demethanizer as well as a residual gaseous methane stream which is compressed to a pipeline receiving pressure by the work of expansion without requiring a booster compressor. 10 claims, 1 drawing figure.
Assignee:
Lummus Co.
Patent Number(s):
US 4004430
OSTI ID:
7117435
Country of Publication:
United States
Language:
English