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Abstract
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This research explores the development and application of mixed matrix membranes (MMMs) embedded with MIL-121, a metal-organic framework (MOF) characterized by large pores and free carboxylic acid groups, to enhance gas separation efficiency. Gas separation tests revealed substantial enhancements in CO₂ permeability, which increased from 50.33 Barrer in the pristine PEBAX membrane to 95.29 Barrer in the PEBAX/MIL-121 (10 wt%) composite, without compromising N₂ exclusion.
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