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Fabrication of low-cost ceramic hollow fiber membranes from aluminium dross waste for water purification

Abd. Aziz, Mohd. Haiqal and Othman, Mohd. Hafiz Dzarfan and Ismail, Ahmad Fauzi and Abdul Rahman, Mukhlis and Jaafar, Juhana and Hubadillah, Siti Khadijah and Cheng, Tai Zhong (2019) Fabrication of low-cost ceramic hollow fiber membranes from aluminium dross waste for water purification. Malaysian Journal of Fundamental and Applied Sciences, 15 (4). pp. 478-482. ISSN 2289-5981

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Official URL: http://dx.doi.org/10.11113/mjfas.v15n4.1210


In this study, alumina-spinel composite hollow fibre membranes were fabricated from abundantly available aluminium dross waste, which can be commonly obtained from aluminium-producing factory. The hollow fibre membranes were successfully fabricated by using a combine phase inversion method and sintering technique. The effects of sintering temperatures on morphology, mechanical strength, and permeability of the hollow fibre membranes were systematically investigated. X-ray fluorescence (XRF) was used to analyze the composition of the aluminium dross waste, while x-ray diffraction analysis (XRD) were further studied to characterize the major crystalline phase of the sintered hollow fibre membranes. An increase in sintering temperatures resulted in densification of hollow fibre membrane, consequently induced the flux reduction. The presence of spinel in microstructural of hollow fibre assisted in decreasing the sintering temperature. As comparison to pure alumina membrane counterparts, this alternative ceramic hollow fibre membrane exhibited a comparable mechanical strength of 78.3-155.1 MPa with lower sintering temperatures ranging from 1350 ˚C to 1400 ˚C at ceramic loading of 40%.

Item Type:Article
Uncontrolled Keywords:alumina, spinel
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Energy Engineering
ID Code:87894
Deposited By: Widya Wahid
Deposited On:30 Nov 2020 21:29
Last Modified:30 Nov 2020 21:29

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