JSME International Journal Series B Fluids and Thermal Engineering
Online ISSN : 1347-5371
Print ISSN : 1340-8054
ISSN-L : 1340-8054
Preparation and Evaluation of CO2-Permselective Membrane for High Temperature Gas Separation
Yooko YASUDAHideo MORITSUKAYoshiyuki IZAKI
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1998 Volume 41 Issue 4 Pages 1012-1016

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Abstract

With the greenhouse effect in mind, we have been studying the CO2 recovery thermal power generation system. In this system, it is necessary to recover CO2 from LNG reformed fuel gas using a high temperature gas separation system. By a trial calculation of the efficiency of a power generation plant with CO2 recovery system, it is appeared that membrane separation offered low power and low cost. A homogeneous silica-base membrane was obtained by the advanced sol-gel method with a polymer-hybrid. The gas separation factor of H2 to CO2 and the factor of N2 to CO2 was larger than 100 at 673K. H2 permeability was on the order of 10-7mol / m2·s·Pa order. This performance remained almost constant for 720 hours.

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© The Japan Society of Mechanical Engineers
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