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Ultra-thin skin carbon hollow fiber membranes for sustainable molecular separations

Journal Article · · AIChE Journal
DOI:https://doi.org/10.1002/aic.16611· OSTI ID:1594582
Here, a transformative platform is reported to derive ultra-thin carbon molecular sieve (CMS) hollow fiber membranes from dual-layer precursor hollow fibers with independently tuned skin layer and substrate properties. These ultra-thin CMS hollow fiber membranes show attractive CO2/CH4 separation factors and excellent CO2 permeances up to similar to 1,400% higher than state-of-the-art asymmetric CMS hollow fiber membranes. They offer a unique combination of permeance and selectivity competitive with zeolite membranes, yet with much higher membrane packing density and potentially much lower costs.
Research Organization:
Georgia Inst. of Technology, Atlanta, GA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-04ER15510
OSTI ID:
1594582
Alternate ID(s):
OSTI ID: 1509774
Journal Information:
AIChE Journal, Journal Name: AIChE Journal Journal Issue: 8 Vol. 65; ISSN 0001-1541
Publisher:
American Institute of Chemical EngineersCopyright Statement
Country of Publication:
United States
Language:
English

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