1967
DOI: 10.1126/science.156.3781.1481
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Carbon Dioxide-Oxygen Separation: Facilitated Transport of Carbon Dioxide across a Liquid Film

Abstract: An immobilized film of an aqueous bicarbonate-carbonate solution was developed which was 4100 times more permeable to carbon dioxide than to oxygen. The carbon dioxide transport was reaction-rate limited, and thus it could be increased by addition to the film of catalysts for the hydrolysis of carbon dioxide.

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Cited by 249 publications
(134 citation statements)
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“…In these systems, bicarbonate-carbonate acts as carrier species that reversibly react with CO 2 as shown in equations 3 and 4 to increase CO 2 gas selectivity and flux in CO 2 separation applications [10,[20][21][22][23].…”
Section: Resultsmentioning
confidence: 99%
“…In these systems, bicarbonate-carbonate acts as carrier species that reversibly react with CO 2 as shown in equations 3 and 4 to increase CO 2 gas selectivity and flux in CO 2 separation applications [10,[20][21][22][23].…”
Section: Resultsmentioning
confidence: 99%
“…An example which figures prominently here is, quite naturally, the hemoglobinoxygen system [9, 121. Since, more generally, there is known to exist a wide variety of both heat-and mass-transport processes in which the effects of chemical reaction may have practically interesting and, indeed, beneficial consequences, the important question arises as to the maximum effect that can be realized in a particular process. In the usual cases, one expects that this maximum will correspond to the theoretical limit of infinitely fast reaction, which in part accounts for the rather extensive literature dealing with the effects of rapid homogeneous reaction on diffusion [4,5,13,15,18,20,21].…”
Section: Introductionmentioning
confidence: 97%
“…A system capable of removing 50 g/hr of CO 2 (a one-man metabolic rate) was constructed and tested. It required 18.3 square yards of membrane.…”
Section: Discussionmentioning
confidence: 99%
“…The original attempts to package the immobilized liquid membrane for CO 2 dried, and the package rewet by flushing with humid air before using. Before humidification, the package should thus have had identical performance to a silicone rubber package.…”
Section: Initial Packaging Conceptmentioning
confidence: 99%