Gas Mixture Separation Apparatus and Method
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United States of America Patent
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Issued Date -
May 10, 2012
app pub date -
Mar 30, 2010
filing date -
May 26, 2009
priority date (Note) -
Abandoned
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Abstract
To provide a gas mixture separation apparatus and a method which can reduce the energy consumption necessary to separate one type of gas, such as CO2, from a gas mixture, such as combustion exhaust gas or process gas, to reduce the operating cost of the apparatus. A gas mixture separation apparatus includes a gas hydrate formation part for hydrating one type of gas contained in a gas mixture containing a plurality of gas components to form a gas hydrate slurry, a dehydration part for dehydrating the gas hydrate slurry, and a gas hydrate decomposition part for decomposing and regasifying the gas hydrate obtained by the dehydration, and is characterized in that the water removed from the gas hydrate slurry in the dehydration part and the water generated when the gas hydrate is decomposed in the gas hydrate decomposition part are mixed together and the mixed water is introduced into the gas hydrate formation part as circulating water.
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