Method for processing of carbon dioxide contained in an exhaust gas flow
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United States of America Patent
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Jul 5, 2016
Grant Date -
Jan 15, 2015
app pub date -
Feb 13, 2013
filing date -
Feb 20, 2012
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Abstract
A method for processing carbon dioxide contained in an exhaust gas flow. The exhaust gas flow is brought in contact in a drying and cooling chamber with a moistened porous silicate material and admixed aluminum hydroxide and/or hydrated aluminum oxide and/or optionally other metal oxidizers to produce a basic aqueous medium and to destabilize the carbon dioxide, and cooled. The amount of aluminum hydroxide and/or hydrated aluminum oxide to be added is controlled via a continuous pH value measurement, after which the aqueous medium is fed to a subsequent prechamber, which is supplied with material containing oxidizable alkaline earth and/or heavy metal, in which neutralization of the aqueous medium containing ionized carbon occurs. The formed alkaline earth and/or heavy metal oxide is discharged from the prechamber and the aqueous medium containing ionized carbon is then fed to a main chamber equipped with material consisting of and/or containing organic carbon compounds.
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