GAS SEPARATION MEMBRANE FOR CARBON DIOXIDE AND PREPARATION METHOD THEREOF
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United States of America Patent
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Issued Date -
Mar 5, 2015
app pub date -
Apr 10, 2014
filing date -
Aug 28, 2013
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Abandoned
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Abstract
The present disclosure relates to a gas separation membrane for filtration of carbon dioxide and a preparation method thereof. The gas separation membrane for filtration of carbon dioxide according to the present disclosure exhibits superior performance in rejecting carbon dioxide selectively from mixture gas. It is a separation membrane system leaving carbon dioxide and passing nitrogen, unlike the conventional systems which leave nitrogen and pass carbon dioxide. In addition, since compressed, highly-concentrated carbon dioxide can be obtained, the consumption of energy required for carbon dioxide storage following separation can be reduced. Furthermore, the separation membrane of the present disclosure, which is environment-friendly and consumes less energy, allows highly efficient separation and is easily applicable to the separation of carbon dioxide not only from the mixture of carbon dioxide with nitrogen but also from other mixtures of carbon dioxide with, for example, CO2/CH4, CO2/H2, etc.
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