Carbonation of metal silicates for long-term CO2 sequestration

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United States of America Patent

SERIAL NO

10706583

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Abstract

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In a preferred embodiment, the invention relates to a process of sequestering carbon dioxide. The process comprises the steps of: (a) reacting a metal silicate with a caustic alkali-metal hydroxide to produce a hydroxide of the metal formerly contained in the silicate; (b) reacting carbon dioxide with at least one of a caustic alkali-metal hydroxide and an alkali-metal silicate to produce at least one of an alkali-metal carbonate and an alkali-metal bicarbonate; and (c) reacting the metal hydroxide product of step (a) with at least one of the alkali-metal carbonate and the alkali-metal bicarbonate produced in step (b) to produce a carbonate of the metal formerly contained in the metal silicate of step (a).

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Patent Owner(s)

Patent OwnerAddressTotal Patents
UNIVERSITY OF TENNESSEE RESEARCH FOUNDATIONKNOXVILLE, TN344
UT-BATTELLE, LLCOAK RIDGE, TN761
VIRGINIA MUSEUM OF NATURAL HISTORY FOUNDATIONOAK RIDGE, TN2

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anovitz, Lawrence M Knoxville, TN 10 208
Beard, James S Martinsville, VA 8 204
Blencoe, James G Harriman, TN 14 222
Palmer, Donald A Oliver Springs, TN 9 207

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