Characterization and Performance Evaluation of Fabricated TFN-RO Membranes in the Presence of MFI Type Zeolite
Publish place: Advanced Ceramics Progress، Vol: 8، Issue: 2
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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JR_ACERPT-8-2_002
تاریخ نمایه سازی: 23 مهر 1401
Abstract:
Thin Film Composite (TFC) membranes were fabricated by Interfacial Polymerization (IP) ofM-Phenylene Diamine (MPD) and Tri-Mesoyl Chloride (TMC) on Polysulfone (PSf) support in the presence of hydrothermally synthesized TS-۱ zeolite as an additive blended in the MPD aqueous solution. Formation of the MFI structure (Pentasil Zeolite), presence of extra-framework TiO۲, and zeolite particle size were investigated through X-Ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), and Field Emission Scanning Electron Microscopy (FE-SEM) analyses, respectively. In addition, the effect of the TS-۱ zeolite concentration in the range of ۰-۰.۰۲ wt. % on the desalination and antifouling performance of the reverse osmosis membranes was evaluated in this study. The obtained results revealed that the membrane containing zeolite at the optimal concentration of ۰.۰۰۵ wt. % had the smoothest surface (RMS: ۲۱.۰۵ nm) and lowest contact angle (۵۱.۳۲°), thus exhibiting the best performance in the water flux of ۴۷.۵ Lm-۲h-۱ at ۱۵ bars. In addition, compared to the unfilled TFC membrane, the rejection percentage of NaCl was calculated as ۹۶.۷ % (۲۰۰۰ ppm). Further, the antifouling ability of the membranes in the face of Bovine Serum Albumin (BSA) showed the excellent fouling resistance of the zeolite-modified membranes.
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Authors
Safoura Dehghanpour
PhD Candidate, Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak, Markazi, Iran
Fahime Parvizian
Associate Professor, Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak, Markazi, Iran
Vahid Vatanpour
Associate Professor, Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, Tehran, Tehran, Iran
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