Nitrogen removal from natural gas using two types of membranes
Abstract
A process for treating natural gas or other methane-rich gas to remove excess nitrogen. The invention relies on two-stage membrane separation, using methane-selective membranes for the first stage and nitrogen-selective membranes for the second stage. The process enables the nitrogen content of the gas to be substantially reduced, without requiring the membranes to be operated at very low temperatures.
- Inventors:
- Issue Date:
- Research Org.:
- Membrane Technology and Research, Inc., Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1174524
- Patent Number(s):
- 6630011
- Application Number:
- 10/245,904
- Assignee:
- Membrane Technology and Research, Inc. (Menlo Park, CA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
- DOE Contract Number:
- FG03-01ER83274
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 03 NATURAL GAS
Citation Formats
Baker, Richard W., Lokhandwala, Kaaeid A., Wijmans, Johannes G., and Da Costa, Andre R. Nitrogen removal from natural gas using two types of membranes. United States: N. p., 2003.
Web.
Baker, Richard W., Lokhandwala, Kaaeid A., Wijmans, Johannes G., & Da Costa, Andre R. Nitrogen removal from natural gas using two types of membranes. United States.
Baker, Richard W., Lokhandwala, Kaaeid A., Wijmans, Johannes G., and Da Costa, Andre R. Tue .
"Nitrogen removal from natural gas using two types of membranes". United States. https://www.osti.gov/servlets/purl/1174524.
@article{osti_1174524,
title = {Nitrogen removal from natural gas using two types of membranes},
author = {Baker, Richard W. and Lokhandwala, Kaaeid A. and Wijmans, Johannes G. and Da Costa, Andre R.},
abstractNote = {A process for treating natural gas or other methane-rich gas to remove excess nitrogen. The invention relies on two-stage membrane separation, using methane-selective membranes for the first stage and nitrogen-selective membranes for the second stage. The process enables the nitrogen content of the gas to be substantially reduced, without requiring the membranes to be operated at very low temperatures.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2003},
month = {10}
}
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- Tanaka, Kazuhiro; Kita, Hidetoshi; Okano, Masaaki
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Relationship between gas separation properties and chemical structure in a series of aromatic polyimides
journal, April 1988
- Kim, T. H.; Koros, W. J.; Husk, G. R.
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