CARBON DIOXIDE ABSORBING COMPOSITION INCLUDING STERICALLY HINDERED ALKANOLAMINE, AND METHOD AND APPARATUS FOR ABSORBING CARBON DIOXIDE USING THE SAME
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Apr 9, 2015
app pub date -
Oct 3, 2014
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Oct 7, 2013
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Abstract
This invention relates to a carbon dioxide absorbing composition including a sterically hindered alkanolamine, and to a method and apparatus for absorbing carbon dioxide using the same, wherein in a process and apparatus for absorbing and recovering carbon dioxide from a gas mixture including carbon dioxide, a solid-phase bicarbonate crystal including high-concentration carbon dioxide is crystallized from a carbon dioxide absorbing composition having absorbed carbon dioxide and is then selectively separated, thereby efficiently recovering and regenerating carbon dioxide.
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