High capacity carbon dioxide sorbent
Abstract
The present invention provides a sorbent for the removal of carbon dioxide from gas streams, comprising: a CO.sub.2 capacity of at least 9 weight percent when measured at 22.degree. C. and 1 atmosphere; an H.sub.2O capacity of at most 15 weight percent when measured at 25.degree. C. and 1 atmosphere; and an isosteric heat of adsorption of from 5 to 8.5 kilocalories per mole of CO.sub.2. The invention also provides a carbon sorbent in a powder, a granular or a pellet form for the removal of carbon dioxide from gas streams, comprising: a carbon content of at least 90 weight percent; a nitrogen content of at least 1 weight percent; an oxygen content of at most 3 weight percent; a BET surface area from 50 to 2600 m.sup.2/g; and a DFT micropore volume from 0.04 to 0.8 cc/g.
- Inventors:
- Issue Date:
- Research Org.:
- TDA Research, Inc., Wheat Ridge, CO (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1213459
- Patent Number(s):
- 9120079
- Application Number:
- 14/217,218
- Assignee:
- TDA Research, Inc. (Wheat Ridge, CO)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
- DOE Contract Number:
- SC0006239
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2014 Mar 17
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 54 ENVIRONMENTAL SCIENCES
Citation Formats
Dietz, Steven Dean, Alptekin, Gokhan, and Jayaraman, Ambalavanan. High capacity carbon dioxide sorbent. United States: N. p., 2015.
Web.
Dietz, Steven Dean, Alptekin, Gokhan, & Jayaraman, Ambalavanan. High capacity carbon dioxide sorbent. United States.
Dietz, Steven Dean, Alptekin, Gokhan, and Jayaraman, Ambalavanan. Tue .
"High capacity carbon dioxide sorbent". United States. https://www.osti.gov/servlets/purl/1213459.
@article{osti_1213459,
title = {High capacity carbon dioxide sorbent},
author = {Dietz, Steven Dean and Alptekin, Gokhan and Jayaraman, Ambalavanan},
abstractNote = {The present invention provides a sorbent for the removal of carbon dioxide from gas streams, comprising: a CO.sub.2 capacity of at least 9 weight percent when measured at 22.degree. C. and 1 atmosphere; an H.sub.2O capacity of at most 15 weight percent when measured at 25.degree. C. and 1 atmosphere; and an isosteric heat of adsorption of from 5 to 8.5 kilocalories per mole of CO.sub.2. The invention also provides a carbon sorbent in a powder, a granular or a pellet form for the removal of carbon dioxide from gas streams, comprising: a carbon content of at least 90 weight percent; a nitrogen content of at least 1 weight percent; an oxygen content of at most 3 weight percent; a BET surface area from 50 to 2600 m.sup.2/g; and a DFT micropore volume from 0.04 to 0.8 cc/g.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {9}
}
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