Journal
SEPARATION AND PURIFICATION TECHNOLOGY
Volume 274, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.seppur.2021.119033
Keywords
VIPS-NIPS method; Mixed Matrix Membrane; Polysulfone; MOF; Dyes Rejection
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Funding
- University of Tehran Research Council
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The study demonstrates that by utilizing Polysulfone-MIL-53(Al) mixed matrix membranes, high rejection performance for various dyes and high water flux can be achieved.
Polysulfone-MIL-53(Al) mixed matrix membranes were fabricated by using the VIPS-NIPS technique, in which 1,4-Dioxane was used as the co-solvent. MIL-53(Al) nanoparticles were used in this study owing to their small pore sizes, high hydrophilicity and superior water stability. Hence, different membrane compositions with various MIL-53(Al) contents were prepared so that a membrane with superior performance for dye rejection application and high flux can be achieved. The performance of the fabricated membranes was investigated for rejection of various dyes in aqueous solutions including Reactive Red (RR), Direct Yellow (DY), Methyl Green (MG), and Crystal Violet (CV), based on which a great separation performance (dye rejections of 99.8, 99.5, 99.2, 98.8 and 97.1 for RR, MG, DY, CV and MB, respectively) and an excellent water flux (4.8 L/m2.h.bar) were provided by the membrane containing 0.06 wt% MIL-53(Al).
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