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Title: Membrane loop process for separating carbon dioxide for use in gaseous form from flue gas

The invention is a process involving membrane-based gas separation for separating and recovering carbon dioxide emissions from combustion processes in partially concentrated form, and then transporting the carbon dioxide and using or storing it in a confined manner without concentrating it to high purity. The process of the invention involves building up the concentration of carbon dioxide in a gas flow loop between the combustion step and a membrane separation step. A portion of the carbon dioxide-enriched gas can then be withdrawn from this loop and transported, without the need to liquefy the gas or otherwise create a high-purity stream, to a destination where it is used or confined, preferably in an environmentally benign manner.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1160225
Assignee:
Membrane Technology and Research, Inc. (Newark, CA) NETL
Patent Number(s):
8,852,319
Application Number:
13/123,364
Contract Number:
NT0005312
Resource Relation:
Patent File Date: 2010 Sep 13
Research Org:
Membrane Technology and Research, Inc., Newark, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

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