CO.sub.2 removal sorbent composition with high chemical stability during multiple cycles
Patent
·
OSTI ID:1221398
Disclosed herein is a clay-alkali-amine CO.sub.2 sorbent composition prepared by integrating a clay substrate, basic alkali salt, and amine liquid. The basic alkali salt is present relative to the clay substrate in a weight ratio of from about 1 part to about 50 parts per 100 parts of the clay substrate. The amine liquid is present relative to a clay-alkali combination in a weight ratio of from about 1 part to about 10 parts per 10 parts of the clay-alkali combination. The clay-alkali-amine C02 sorbent is particularly advantageous for low temperature CO.sub.2 removal cycles in a gas stream having a C02 concentration less than around 2000 ppm and an oxygen concentration around 21%, such as air.
- Research Organization:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
- Sponsoring Organization:
- USDOE
- Assignee:
- U.S. Department of Energy (Washington, DC)
- Patent Number(s):
- 9,138,683
- Application Number:
- 14/297,848
- OSTI ID:
- 1221398
- Resource Relation:
- Patent File Date: 2014 Jun 06
- Country of Publication:
- United States
- Language:
- English
CO2 removal sorbent composition with high chemical stability during multiple cycles
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patent | September 2015 |
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