Electrochemical carbon monoxide production

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United States of America Patent

PATENT NO 8591718
APP PUB NO 20110253551A1
SERIAL NO

12961987

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for producing a carbon monoxide containing product in which cathode and anode sides of an electrically driven oxygen separation device are contacted with carbon dioxide and a reducing agent, respectively. The carbon dioxide is reduced to carbon monoxide through ionization of oxygen and the reducing agent lowers the partial pressure of oxygen at the anode side to partially drive oxygen ion transport within the device through the consumption of the oxygen and to supply heat. The lowering of oxygen partial pressure reduces voltage and therefore, electrical power required to be applied to the device and the heat is supplied to heat the device to an operational temperature and to the reduction of the carbon dioxide occurring at the cathode side. The device can be used as part of an integrated apparatus in which the carbon dioxide is supplied from a waste stream of a process plant.

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Patent Owner(s)

Patent OwnerAddress
PRAXAIR TECHNOLOGY INC10 RIVERVIEW DR DANBURY CT 06810

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bonaquist, Dante Patrick Grand Island, US 108 1521
Christie, Gervase Maxwell Williamsville, US 27 769
Lane, Jonathan Andrew Amherst, US 11 274

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