Water recovery from flue gas in steam-assisted production
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United States of America Patent
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Mar 5, 2013
Grant Date -
Mar 24, 2011
app pub date -
Jul 15, 2010
filing date -
Jul 17, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for introducing flue gas in a steam-assisted production facility into a vapor-liquid contactor. In this method the flue gas comprises boiler combustion products selected from at least one of commercial pipeline natural gas and produced gas. The flue gas is cooled with the vapor-liquid contactor to condense a portion of the water vapor in the flue gas to produce a water stream. The water stream is then recirculated and cooled in an air cooler to produce recirculating water exiting the bottom of the vapor-liquid contactor. A water slipstream is then taken off the recirculating water to be used as make-up water.
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