Method for Removing CO2 From Exhaust Gases, Such as Exhaust Gases From Plants for Producing Raw Iron or Exhaust Gases From Syngas Plants
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United States of America Patent
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Issued Date -
Sep 20, 2012
app pub date -
Sep 7, 2010
filing date -
Sep 11, 2009
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Abstract
A method for the removal of CO2 from exhaust gases, e.g., exhaust gases from plants for pig-iron production or exhaust gases from synthesis-gas plants, includes removing CO2 using chemical and/or physical absorption, wherein the heat for regenerating the absorbent is obtained at least partially from an air separation plant. As a result, the CO2 can be separated from the exhaust gases to a greater extent than in the pressure-swing adsorption of other gases, but a lower-order energy carrier can additionally be used for this purpose.
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