Membrane gas separation processes

Details Membrane gas separation processes Membrane gas separation processes

1983-02-15

1986-07-01

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 68, 55158, B01D 5322

Patent

active

045977771

ABSTRACT:
This invention relates to membrane gas separation of carbon dioxide and methane containing gas mixtures. More particularly the invention relates to apparatus and processes for recovering a methane-enriched non-permeate gas of natural gas pipe line quality from mixtures of carbon dioxide and methane where membrane permeate gases contain substantially all of the carbon dioxide of the feed gas mixture. An aspect of the process of this invention is that a significant portion of the carbon dioxide containing permeate gas can be utilized as combustion engine fuel to drive feed gas compressors utilized in the process.

REFERENCES:
patent: 3534528 (1970-10-01), Porter
patent: 3713271 (1973-01-01), Franz et al.
patent: 4130403 (1978-12-01), Cooley et al.
patent: 4264338 (1981-04-01), Null
patent: 4364759 (1982-12-01), Brooks et al.
patent: 4370150 (1982-01-01), Fenstermaker
patent: 4374657 (1983-02-01), Schendel et al.

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