Ex situ aqueous mineral carbonation.
Environ Sci Technol
; 41(7): 2587-93, 2007 Apr 01.
Article
em En
| MEDLINE
| ID: mdl-17438820
ABSTRACT
The U.S. Department of Energy's National Energy Technology Laboratory (NETL) located in Albany, OR (formerly the Albany Research Center) has studied ex situ mineral carbonation as a potential option for carbon dioxide sequestration. Studies focused on the reaction of Ca-, Fe-, and Mg-silicate minerals with gaseous CO2 to form geologically stable, naturally occurring solid carbonate minerals. The research included resource evaluation, kinetic studies, process development, and economic evaluation. An initial cost estimate of approximately $69/ton of CO2 sequestered was improved with process improvements to $54/ton. The scale of ex situ mineral carbonation operations, requiring 55 000 tons of mineral to carbonate, the daily CO2 emissions from a 1-GW, coal-fired power plant, may make such operations impractical.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Dióxido de Carbono
/
Carbonatos
/
Silicatos
/
Poluentes Atmosféricos
/
Recuperação e Remediação Ambiental
/
Minerais
Tipo de estudo:
Diagnostic_studies
/
Evaluation_studies
Idioma:
En
Revista:
Environ Sci Technol
Ano de publicação:
2007
Tipo de documento:
Article
País de afiliação:
Estados Unidos