Importance

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Abstract

A carbon dioxide separation system comprises a heat exchanger having a first flow path for directing a fluid comprising carbon dioxide, for example an exhaust gas, therethrough and a second flow path for directing a heat transfer fluid therethrough, a separator comprising a material with selective permeability of carbon dioxide for separating the first and second flow paths and for promoting thermal transfer and carbon dioxide transport therebetween, and a condenser for condensing the heat transfer fluid to isolate the carbon dioxide. In another embodiment, a carbon dioxide separation system comprises an energy production system for generating electricity and an exhaust gas including carbon dioxide at a temperature greater than about 300C, a heat exchanger having a first flow path for directing the exhaust gas therethrough and a second flow path for directing water therethrough to promote thermal transfer between the first flow path and the second flow path and produce a flow of steam within the second flow path, a carbon dioxide extraction circuit in thermal and mass transfer relationship with the exhaust gas comprising a third flow path for directing a heat transfer fluid therethrough, wherein the carbon dioxide extraction circuit comprises a material with selective permeability of carbon dioxide for promoting thermal transfer and carbon dioxide transport between the exhaust gas and the heat transfer fluid to produce a mixed flow of a gaseous heat transfer fluid and carbon dioxide within the third flow path, and a condenser for receiving the mixed flow and for condensing the mixed flow to isolate the carbon dioxide.

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First Claim