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    Ultrafiltration Mixed Matrix Membranes Based on Mesoporous Silica (MCM-41, HMS)Embedded in Polysulfone

    Year: 2019

    Journal: Rev. Chim., Volume 70, SEP, page 3089–3093

    Authors: Razvan, Anca; Popa, Daniela F.; Oprea, Ovidiu; Vasile, Eugeniu; Dumitru, Florina; Nechifor, Gheorghe

    Keywords: MCM-41; HMS mesoporous silica; polysulfone; blend membranes; ultrafiltration

    Three composite membranes (M1-M3), with mesoporous silica (MCM-41 or HMS-C12/C16-type) embedded in polysulfone (Psf) were obtained by phase-inversion method and their performances were tested for use in ultrafiltration membrane processes. The structures of M (Psf 12%, reference membrane), M1 (Psf 12% + MCM-41), M2 (Psf 12% + HMS-C12), M3 (Psf 12% + HMS-C16) have been assessed by FTIR, TG-DSC and SEM-EDAX and the morphology and their hydrodynamic performances have been evaluated by contact angle measurements, dead-end and cross-flow filtration experiments.