METHOD AND PLANT FOR THE PURIFICATION OF CARBON DIOXIDE USING LIQUID CARBON DIOXIDE
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United States of America Patent
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Jun 17, 2010
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Jun 17, 2010
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Abstract
The present invention relates to an improved method for removing contaminants from a gaseous stream substantially comprising carbon dioxide. More specifically, the method comprises the step of subjecting the gaseous stream to an absorption step in which the absorbent is liquid carbon dioxide wherein the waste of carbon dioxide is minimized by utilizing a compressing means for generating a pressure difference between two streams in a reboiler.
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