METHODS FOR MANUFACTURING HOLLOW FIBER CARBON MEMBRANES
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Jul 21, 2022
filing date -
Jul 21, 2021
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Abstract
A method of manufacturing a hollow fiber carbon membrane, the method includes heating a polymeric precursor to a pyrolysis temperature that is greater than or equal to 900° C. and less than or equal to 1200° C., and pyrolyzing the polymeric precursor at the pyrolysis temperature in a pyrolysis atmosphere that comprises oxygen in an amount that is greater than 0 ppm and less than 200 ppm.
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