PROCESS FOR REDUCING CARBON DIOXIDE EMISSION IN A POWER PLANT
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United States of America Patent
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Issued Date -
Jul 1, 2010
app pub date -
Jan 23, 2008
filing date -
Jan 25, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
capture unit comprises an absorber and a regenerator, the process comprising the steps of: (a) introducing hot exhaust gas exiting a gas turbine having a certain elevated pressure into a heat recovery steam generator unit to produce steam and a flue gas stream comprising carbon dioxide; (b) removing carbon dioxide from the flue gas stream comprising carbon dioxide by contacting the flue gas stream with absorbing liquid in an absorber having an elevated operating pressure to obtain absorbing liquid enriched in carbon dioxide and a purified flue gas stream, wherein the settings and/or construction of the gas turbine are adjusted such that the hot exhaust gas exiting the gas turbine has a pressure of at least 40% of the elevated operating pressure of the absorber.
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