Journal
JOURNAL OF MEMBRANE SCIENCE
Volume 535, Issue -, Pages 350-356Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.memsci.2017.04.022
Keywords
Core-shell nano particles; Interfacial design; Carbon dioxide capture; Upper bound; Sealing surface
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A novel approach to improve the selectivity of mixed matrix membrane (MMM) systems was developed. MOF nanoparticles (NPs) were chemical coated by a PEG based shell and then incorporated into a polymer matrix to yield a MMM. The unique design of the core-shell MOF NPs can enhance both the membrane permeability and selectivity simultaneously. This membrane material exhibits excellent CO2/N-2 separation performance that surpasses the latest upper bound through the most direct way. This filler was also applied to the thin-film composite membrane system, showing promising performance and placing it in the optimal zone for postcombustion CO2 capture.
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