Process for separating carbon dioxide from flue gas using sweep-based membrane separation and absorption steps
Patent
·
OSTI ID:1176475
A gas separation process for treating flue gases from combustion processes, and combustion processes including such gas separation. The invention involves routing a first portion of the flue gas stream to be treated to an absorption-based carbon dioxide capture step, while simultaneously flowing a second portion of the flue gas across the feed side of a membrane, flowing a sweep gas stream, usually air, across the permeate side, then passing the permeate/sweep gas to the combustor.
- Research Organization:
- Membrane Technology and Research, Inc., Newark, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- NT0005312
- Assignee:
- Membrane Technology and Research, Inc (Newark, CA)
- Patent Number(s):
- 8,246,718
- Application Number:
- 13/123,342
- OSTI ID:
- 1176475
- Country of Publication:
- United States
- Language:
- English
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