Preparation of sales gas

Details Preparation of sales gas Preparation of sales gas

1979-05-29

1980-11-25

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

62 24, 62 28, 55 68, F25J 302

Patent

active

042356130

ABSTRACT:
Method for preparing natural gas having a high carbon dioxide, ethane and propane content to meet sales gas specifications, such as BTU requirements. The gas is prepared by cooling, followed by contacting with at least one physical solvent which has a greater affinity for heavier hydrocarbons and carbon dioxide than for methane, ethane, propane and butane. Ethane, propane and butane separated by the initial cooling are selectively recombined with the gas after solvent contact.

REFERENCES:
patent: 3130026 (1964-04-01), Becker
patent: 3595782 (1971-07-01), Bucklin et al.
patent: 3724226 (1973-04-01), Pachaly
patent: 3770622 (1973-11-01), Freireich et al.
patent: 4012212 (1977-03-01), Kniel

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