期刊
JOURNAL OF MEMBRANE SCIENCE
卷 649, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.memsci.2022.120279
关键词
Carbon molecular sieve; Hollow fiber membranes; Dip coating; Nanoparticle; Natural gas purification
资金
- Office of Basic Energy Science of the U.S. Department of Energy [DE-FG02-04ER15510]
This study presents an economically viable method to fabricate composite nanoparticle-containing carbon molecular sieve hollow fiber membranes with excellent gas separation performance through a coating process.
We report a novel approach to economically fabricate dual-layer composite nanoparticle-containing carbon molecular sieve (CMS) hollow fiber membranes having excellent gas separation performance. The economically favored process comprises dip coating engineered support layer fibers to form a dense skin layer in a CMSCMS precursor. The coated fibers are then pyrolyzed to form a high-performance CMS hollow fiber membrane. The nano-particle containing composite carbon molecular sieve hollow fiber membranes showed very attractive selectivities and productivities. This work shows how to produce high performance CMS hollow fiber membrane by coating, which exceeds that achieved with the standard sol-gel support stabilization technique.
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