Systems and methods for extraction of carbon dioxide from air

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United States of America Patent

PATENT NO 8246731
APP PUB NO 20100202937A1
SERIAL NO

12762782

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Abstract

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The present invention describes methods and systems for extracting, capturing, reducing, storing, sequestering, or disposing of carbon dioxide (CO2), particularly from the air. The CO2 extraction methods and systems involve the use of chemical processes. Methods are also described for extracting and/or capturing CO2 via exposing air containing carbon dioxide to a solution comprising a base—resulting in a basic solution which absorbs carbon dioxide and produces a carbonate solution. The solution is causticized and the temperature is increased to release carbon dioxide, followed by hydration of solid components to regenerate the base.

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Patent Owner(s)

  • THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lackner, Klaus S Dobbs Ferry, US 73 3226
Zeman, Frank S New York, US 8 515

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