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Superhydrophilic, low cost kaolin-based hollow fibre membranes for efficient oily-wastewater separation

Hubadillah, Siti Khadijah and Othman, Mohd. Hafiz Dzarfan and Harun, Zawati and Ismail, Ahmad Fauzi and A. Rahman, Mukhlis and Jaafar, Juhana and Jamil, Siti Munira and Mohtor, Nur Hamizah (2017) Superhydrophilic, low cost kaolin-based hollow fibre membranes for efficient oily-wastewater separation. Materials Letters, 191 . pp. 119-122. ISSN 0167-577X

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Official URL: http://dx.doi.org/10.1016/j.matlet.2016.12.099

Abstract

The objective of this study is to produce superhydrophilic, low cost kaolin-based ceramic hollow fibre membrane (KHFM) for efficient oily-wastewater separation. The asymmetric KHFMs with short finger-like voids were successfully prepared via a combined phase inversion and sintering technique. It was observed that the increase in sintering temperature enhanced membrane mechanical strength and promoted significant changes on membrane morphology. The combination of hydrophilic characteristic (contact angle of 33°) and small pore size (0.35 μm) of the kaolin KHFM sintered at 1500 °C resulted in excellent oily wastewater separation, with a 100% success rate, thus indicating that KHFM is able to repel most of the oil and allow only water to pass through its pores. In conclusion, the developed KHFM can be regarded as a promising medium for oily wastewater separation.

Item Type:Article
Additional Information:RADIS System Ref No:PB/2017/11872
Uncontrolled Keywords:oily-wastewater, porous material
Subjects:L Education
T Technology > TP Chemical technology
Divisions:Chemical Engineering
ID Code:66212
Deposited By: Widya Wahid
Deposited On:17 Jul 2017 15:51
Last Modified:17 Jul 2017 15:51

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