Carbon dioxide production for enhanced oil recovery
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United States of America Patent
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Mar 6, 2012
Grant Date -
Feb 17, 2011
app pub date -
Aug 11, 2009
filing date -
Aug 11, 2009
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Abstract
A method for producing carbon dioxide by the steps of feeding a CO2-rich feed stream containing fuel gas to an oxygenated oxygen-selective ceramic bed to produce a product stream of carbon dioxide, water, and residual oxygen; adding oxygen to this product stream and feeding to an oxygen-depleted oxygen-selective ceramic bed and recovering carbon dioxide substantially free of oxygen and fuel gas. In an additional embodiment, nitrogen oxides are also removed from the fuel gas.
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