Process and apparatus for treating natural gas

Details Process and apparatus for treating natural gas Process and apparatus for treating natural gas

1974-09-30

1977-01-25

Lutter, Frank W.

Refrigeration

Processes

Circulating external gas

62 26, 62 28, 62 38, F25J 300

Patent

active

040044300

ABSTRACT:
There is disclosed a process and apparatus 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.

REFERENCES:
patent: 3213631 (1965-10-01), Kniel
patent: 3312073 (1967-04-01), Jackson et al.
patent: 3837172 (1974-09-01), Markbreiter et al.

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