Importance

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Abstract

An air revitalization apparatus and method simultaneously removes carbon dioxide, water vapor, and heat from air and produces oxygen gas, hydrogen gas, and concentrated carbon dioxide gas, does not require an explosion proof enclosure, and includes a fan configured to blow air into a first gas-liquid contactor, an electrochemical cell including first through fourth passages configured to emit hydrogen gas, permit a flow of a carbonate-hydroxide solution, permit a flow of carbonate-bicarbonate solution, and emit oxygen gas, respectively, the first and fourth passages separated by at least three gas-impermeable membranes, and a second gas-liquid contactor, where the first gas-liquid contactor, second passage, and a first pump are configured to circulate the carbonate-hydroxide solution therethrough, where the second gas-liquid contactor, third passage, and a second pump are configured to circulate the carbonate-bicarbonate solution therethrough, and where the output of the first passage is operationally coupled to the second gas-liquid contactor.

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First Claim