Zeolite membrane structure and method for producing same
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United States of America Patent
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Jun 23, 2020
Grant Date -
Dec 28, 2017
app pub date -
Sep 12, 2017
filing date -
Mar 31, 2015
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Abstract
A zeolite membrane structure includes a porous support, and a zeolite membrane. The zeolite membrane has a first zeolite layer located in a surface of the porous support, and a second zeolite layer located outside of the surface of the porous support and integrally formed with the first zeolite layer. The porous support has an outermost layer in which the first zeolite layer is located. An average thickness of the first zeolite layer is less than or equal to 5.4 micrometers. An average pore diameter of the outermost layer is greater than or equal to 0.050 micrometers and less than or equal to 0.150 micrometers.
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