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Preparation and characterization of PPSU membranes with BiOCl nanowafers loaded on activated charcoal for oil in water separation

Nayak, M. C. and Isloor, A. M. and Moslehyani, A. and Ismail, A. F. (2017) Preparation and characterization of PPSU membranes with BiOCl nanowafers loaded on activated charcoal for oil in water separation. Journal of the Taiwan Institute of Chemical Engineers, 77 . pp. 293-301. ISSN 1876-1070

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Abstract

Bismuth oxychloride nanowafers were synthesized and loaded on activated charcoal (BiOCl-AC) and were used as a novel additive to prepare polyphenylsulfone (PPSU) ultrafiltration (UF) membranes along with polyvinylpyrrolidone (PVP) as a pore forming agent by phase inversion technique. The BiOCl nanowafers were characterized by using scanning electron microscope (SEM) and Fourier transform infrared spectroscopy (FTIR). The PPSU hybrid membranes were characterized by SEM studies. The cross sectional images of the membranes along with the elemental mapping of membrane surface were assessed by using SEM and Energy Dispersive Spectroscopy (EDS). Hydrophilicity of the membranes was evaluated by contact angle, porosity and water uptake studies. The permeability of the membranes was determined by pure water flux (PWF). Membranes were also subjected to antifouling studies using bovine serum albumin (BSA) as the standard protein for rejection studies. The membranes showed greater permeability and antifouling property with the addition of BiOCl-AC. A unique cross flow ultrafiltration method was used to study the oil rejection results of both diesel fuel and crude oil. The experimental results of oil in water separation by the membrane M-3, showed 80% rejection for diesel fuel and 90.74% rejection for crude oil.

Item Type:Article
Uncontrolled Keywords:Oil in water separation, Polyphenylsulfone
Subjects:T Technology > TP Chemical technology
Divisions:Chemical Engineering
ID Code:76630
Deposited By: Fazli Masari
Deposited On:30 Apr 2018 21:45
Last Modified:30 Apr 2018 21:45

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