Ex situ aqueous mineral carbonation

Journal Article · Sun Apr 01 00:00:00 EDT 2007 · Environmental Science and Technology

DOI:https://doi.org/10.1021/es0619253· OSTI ID:20885852

Gerdemann, Stephen J; O'Connor, William K; Dahlin, David C; Penner, Larry R; Rush, Hank ^[1]

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1. National Energy Technology Laboratory, Albany, OR (United States)

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 CO{sub 2} 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 about $69/ton of CO{sub 2} sequestered was improved with process improvements to about 54/ton. The scale of ex situ mineral carbonation operations, requiring about 55,000 tons of mineral to carbonate, the daily CO{sub 2} emissions from a 1-GW, coal-fired power plant, may make such operations impractical. 23 refs., 4 figs., 5 tabs.

• OSTI ID: 20885852
• Journal Information: Environmental Science and Technology, Vol. 41, Issue 7; Other Information: [e-mail]; ISSN 0013-936X
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
54 ENVIRONMENTAL SCIENCES
CARBONATES
MINERALIZATION
CARBON DIOXIDE
USA
SILICATE MINERALS
RESOURCE ASSESSMENT
KINETICS
ECONOMIC ANALYSIS
CARBON SEQUESTRATION
COAL
FOSSIL-FUEL POWER PLANTS
COST ESTIMATION
MAGNESIUM SILICATES
CALCIUM SILICATES
IRON SILICATES
ELECTRIC POWER
PRICES
BENCH-SCALE EXPERIMENTS