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Title: Carbonation of metal silicates for long-term CO.sub.2 sequestration

Abstract

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).

Inventors:
; ; ;
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1373912
Patent Number(s):
9,718,693
Application Number:
14/168,272
Assignee:
UT-BATTELLE, LLC ORNL
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 2014 Jan 30
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Blencoe, James G., Palmer, Donald A., Anovitz, Lawrence M., and Beard, James S. Carbonation of metal silicates for long-term CO.sub.2 sequestration. United States: N. p., 2017. Web.
Blencoe, James G., Palmer, Donald A., Anovitz, Lawrence M., & Beard, James S. Carbonation of metal silicates for long-term CO.sub.2 sequestration. United States.
Blencoe, James G., Palmer, Donald A., Anovitz, Lawrence M., and Beard, James S. Tue . "Carbonation of metal silicates for long-term CO.sub.2 sequestration". United States. https://www.osti.gov/servlets/purl/1373912.
@article{osti_1373912,
title = {Carbonation of metal silicates for long-term CO.sub.2 sequestration},
author = {Blencoe, James G. and Palmer, Donald A. and Anovitz, Lawrence M. and Beard, James S.},
abstractNote = {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).},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 01 00:00:00 EDT 2017},
month = {Tue Aug 01 00:00:00 EDT 2017}
}

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Works referenced in this record:

Carbon dioxide sequestration as stable carbonate minerals – environmental barriers
journal, August 2001

  • Haywood, H.; Eyre, J.; Scholes, H.
  • Environmental Geology, Vol. 41, Issue 1-2, p. 11-16
  • DOI: 10.1007/s002540100372

Mitigation of CO2 by Chemical Conversion:  Plausible Chemical Reactions and Promising Products
journal, March 1996

  • Xiaoding, Xu; Moulijn, J. A.
  • Energy & Fuels, Vol. 10, Issue 2, p. 305-325
  • DOI: 10.1021/ef9501511

Magnesium Hydroxide Dehydroxylation/Carbonation Reaction Processes: Implications for Carbon Dioxide Mineral Sequestration
journal, April 2002

  • Béarat, Hamdallah; McKelvy, Michael J.; Chizmeshya, Andrew V. G.
  • Journal of the American Ceramic Society, Vol. 85, Issue 4, p. 742-748
  • DOI: 10.1111/j.1151-2916.2002.tb00166.x

Feasibility of CO2 Fixation via Artificial Rock Weathering
journal, September 2001

  • Wu, Jeffrey C.-S.; Sheen, Jenn-Der; Chen, Shyan-Yeh
  • Industrial & Engineering Chemistry Research, Vol. 40, Issue 18, p. 3902-3905
  • DOI: 10.1021/ie010222l

A new CO2 disposal process via artificial weathering of calcium silicate accelerated by acetic acid
journal, April 2001


Absorption and fixation of carbon dioxide by rock weathering
journal, January 1997


Carbon dioxide disposal in carbonate minerals
journal, January 1995


A Guide to CO2 Sequestration
journal, June 2003