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Title: Carbon dioxide capture from a cement manufacturing process

Abstract

A process of manufacturing cement clinker is provided in which a clean supply of CO.sub.2 gas may be captured. The process also involves using an open loop conversion of CaO/MgO from a calciner to capture CO.sub.2 from combustion flue gases thereby forming CaCO.sub.3/CaMg(CO.sub.3).sub.2. The CaCO.sub.3/CaMg(CO.sub.3).sub.2 is then returned to the calciner where CO.sub.2 gas is evolved. The evolved CO.sub.2 gas, along with other evolved CO.sub.2 gases from the calciner are removed from the calciner. The reactants (CaO/MgO) are feed to a high temperature calciner for control of the clinker production composition.

Inventors:
 [1];  [2];  [3]
  1. North Augusta, SC
  2. Seneca, SC
  3. Aiken, SC
Publication Date:
Research Org.:
Savannah River Nuclear Solutions, LLC (Aiken, SC); Clemson University (Clemson, SC)
Sponsoring Org.:
USDOE
OSTI Identifier:
1019435
Patent Number(s):
7,976,628
Application Number:
US Patent Application 12/456,613
Assignee:
Savannah River Nuclear Solutions, LLC (Aiken, SC); Clemson University (Clemson, SC) SRO
DOE Contract Number:  
AC09-08SR22470
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Blount, Gerald C, Falta, Ronald W, and Siddall, Alvin A. Carbon dioxide capture from a cement manufacturing process. United States: N. p., 2011. Web.
Blount, Gerald C, Falta, Ronald W, & Siddall, Alvin A. Carbon dioxide capture from a cement manufacturing process. United States.
Blount, Gerald C, Falta, Ronald W, and Siddall, Alvin A. Tue . "Carbon dioxide capture from a cement manufacturing process". United States. https://www.osti.gov/servlets/purl/1019435.
@article{osti_1019435,
title = {Carbon dioxide capture from a cement manufacturing process},
author = {Blount, Gerald C and Falta, Ronald W and Siddall, Alvin A},
abstractNote = {A process of manufacturing cement clinker is provided in which a clean supply of CO.sub.2 gas may be captured. The process also involves using an open loop conversion of CaO/MgO from a calciner to capture CO.sub.2 from combustion flue gases thereby forming CaCO.sub.3/CaMg(CO.sub.3).sub.2. The CaCO.sub.3/CaMg(CO.sub.3).sub.2 is then returned to the calciner where CO.sub.2 gas is evolved. The evolved CO.sub.2 gas, along with other evolved CO.sub.2 gases from the calciner are removed from the calciner. The reactants (CaO/MgO) are feed to a high temperature calciner for control of the clinker production composition.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {7}
}

Patent:

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