Process for removing nitrogen from natural gas

Details Process for removing nitrogen from natural gas Process for removing nitrogen from natural gas

1981-06-24

1982-10-05

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

62 24, F25J 302

Patent

active

043526853

ABSTRACT:
A process which effectively removes nitrogen from natural gas over a wide range of nitrogen concentrations and wherein the natural gas may also contain high concentrations of heavy hydrocarbons. The process is especially advantageous for the purification of a natural gas stream recovered from a petroleum field where nitrogen injection is employed as an enhanced recovery technique.

REFERENCES:
patent: 3271099 (1975-04-01), Forg et al.
patent: 3874184 (1975-04-01), Harper et al.
"Nitrogen Removal," Hydrocarbon Processing, Apr. 1975, p. 99.
Harris, "Design Considerations For Nitrogen Rejection Plants," Apr. 17, 1980.

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