Hydrophobic mullite ceramic hollow fibre membrane (Hy-MHFM) for seawater desalination via direct contact membrane distillation (DCMD)

Twibi, Mohamed Farag and Mohd Hafiz Dzarfan, Othman and Siti Khadijah, Hubadillah and Alftessi, Saber Abdulhamid and Mohd Ridhwan, Adam and Ahmad Fauzi, Ismail and Mukhlis, A.Rahman and Juhana, Jaafar and Raji, Yusuf Olabode and Mohd Haiqal, Abd Aziz and Mohd Nazri, Mohd Sokri and Huda, Abdullah and Rosmawati, Naim (2021) Hydrophobic mullite ceramic hollow fibre membrane (Hy-MHFM) for seawater desalination via direct contact membrane distillation (DCMD). Journal of the European Ceramic Society, 41 (13). 6578 -6585. ISSN 0955-2219. (Published)

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DOI/Official URL: https://doi.org/10.1016/j.jeurceramsoc.2021.06.024

Abstract

A low-cost hydrophobic mullite hollow fibre membrane (Hy-MHFM) fabricated via phase inversion/sintering technique followed by fluoroalkyl silane (FAS) grafting is presented in this study. The prepared CHFMs were characterized before and after the grafting step using different characterization techniques. The pore size of the CHFM surface was also determined using ImageJ software. The desalination performance of the grafted membrane was evaluated in direct contact membrane distillation (DCMD) using synthetic seawater of varying salt concentrations for 2 h at various feedwater temperatures. The outcome of the evaluations showed declines in the permeate flux of the membrane at increasing feed concentration, as well as increased flux with increased feed temperature. The long-term stability of the membrane was achieved at time 20 h, feed temperature 60 °C, and permeate temperature 10 °C, the membrane achieved a salt rejection performance of about 99.99 % and a water flux value of 22.51 kg/ m2 h.

Item Type:	Article
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Ceramic membrane; Direct contact membrane distillation; Hydrophobic membrane; Mullite; Seawater desalination
Subjects:	T Technology > TP Chemical technology
Faculty/Division:	Faculty of Chemical and Process Engineering Technology
Depositing User:	Mrs Norsaini Abdul Samat
Date Deposited:	09 Nov 2021 08:57
Last Modified:	09 Nov 2021 08:57
URI:	http://umpir.ump.edu.my/id/eprint/32437
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