Membrane-augmented cryogenic methane/nitrogen separation
Patent
·
OSTI ID:516928
A membrane separation process is described which is combined with a cryogenic separation process for treating a gas stream containing methane, nitrogen and at least one other component. The membrane separation process works by preferentially permeating methane and the other component and rejecting nitrogen. The process is particularly useful in removing components such as water, carbon dioxide or C{sub +2} hydrocarbons that might otherwise freeze and plug the cryogenic equipment. 10 figs.
- Research Organization:
- Membrane Technology and Research, Inc
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG03-94ER81809
- Assignee:
- Membrane Technology and Research, Inc., Menlo Park, CA (United States)
- Patent Number(s):
- US 5,647,227/A/
- Application Number:
- PAN: 8-608,707
- OSTI ID:
- 516928
- Country of Publication:
- United States
- Language:
- English
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