Methane/nitrogen separation process
Abstract
A membrane separation process is described for treating a gas stream containing methane and nitrogen, for example, natural gas. The separation process works by preferentially permeating methane and rejecting nitrogen. The authors have found that the process is able to meet natural gas pipeline specifications for nitrogen, with acceptably small methane loss, so long as the membrane can exhibit a methane/nitrogen selectivity of about 4, 5 or more. This selectivity can be achieved with some rubbery and super-glassy membranes at low temperatures. The process can also be used for separating ethylene from nitrogen. 11 figs.
- Inventors:
- Issue Date:
- Research Org.:
- Membrane Technology and Research, Inc
- Sponsoring Org.:
- USDOE, Washington, DC (United States)
- OSTI Identifier:
- 541738
- Patent Number(s):
- 5669958
- Application Number:
- PAN: 8-608,743
- Assignee:
- Membrane Technology and Research, Inc., Menlo Park, CA (United States)
- DOE Contract Number:
- FG03-94ER81809
- Resource Type:
- Patent
- Resource Relation:
- Other Information: PBD: 23 Sep 1997
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 03 NATURAL GAS; METHANE; MEMBRANE TRANSPORT; ETHYLENE; NITROGEN; REMOVAL; NATURAL GAS; MEMBRANES
Citation Formats
Baker, R W, Lokhandwala, K A, Pinnau, I, and Segelke, S. Methane/nitrogen separation process. United States: N. p., 1997.
Web.
Baker, R W, Lokhandwala, K A, Pinnau, I, & Segelke, S. Methane/nitrogen separation process. United States.
Baker, R W, Lokhandwala, K A, Pinnau, I, and Segelke, S. Tue .
"Methane/nitrogen separation process". United States.
@article{osti_541738,
title = {Methane/nitrogen separation process},
author = {Baker, R W and Lokhandwala, K A and Pinnau, I and Segelke, S},
abstractNote = {A membrane separation process is described for treating a gas stream containing methane and nitrogen, for example, natural gas. The separation process works by preferentially permeating methane and rejecting nitrogen. The authors have found that the process is able to meet natural gas pipeline specifications for nitrogen, with acceptably small methane loss, so long as the membrane can exhibit a methane/nitrogen selectivity of about 4, 5 or more. This selectivity can be achieved with some rubbery and super-glassy membranes at low temperatures. The process can also be used for separating ethylene from nitrogen. 11 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1997},
month = {9}
}
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