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Get Free AccessIn this work, the feasibility study of a superhydrophobic ball clay based ceramic hollow fibre membrane (HFM) through pre-fluorinating of poly(vinylidene fluoride)–co-hexafluoropropylene (PVDF-HFP) and ZnO nanoparticles composite with 1H, 1H, 2H, 2H-perfluorooctyltriethoxysilane (C8) followed by post-roughening on fluorinated ball clay based ceramic hollow fibre membrane (PH/C8/ZnO-C8/HFM) via universal spray coating. The coating was applied onto ball clay based ceramic hollow fibre membrane’s surface in order to achieve superhydrophobicity, which had not previously been reported. C8 was grafted on the ceramic hollow fibre membrane’s surface using the conventional immersion method and the prepared membrane (C8/HFM) was served as a control. The hierarchical structure of PH/C8/ZnO-C8/HFM is composed of a cooperative layer of fluorinated PVDF-HFP/ZnO nanocomposite in mechanical interlocking mode. PH/C8/ZnO-C8/HFM has better superhydrophobic properties, with a water contact angle of 154.4° and a hysteresis contact angle of 3.2°, than C8/HFM, which has a water contact angle of 151.7° and a hysteresis contact angle of 9.2°. The PH/C8/ZnO-C8/HFM outperforms the C8/HFM in the wetting resistance because the liquid entry pressure of water LEPw (PH/C8/ZnO-C8/HFM = 1.33 ± 0.4 bar, C8/HFM = 0.37 ± 0.1 bar) and salt rejection in MD for the PH/C8/ZnO-C8/HFM is better than C8/HFM.
Mohd Haiqal Abd Aziz, Mohammad Arif Budiman Pauzan, Nur Aina Shazana Mohd Hisam, Mohd Hafiz Dzarfan Othman, Mohd Ridhwan Adam, Yuji Iwamoto, Mohd Hafiz Puteh, Mukhlis A. Rahman, Juhana Jaafar, Ahmad Fauzi Ismail, Tonni Agustiono Kurniawan, Suriani Abu Bakar (2022). Superhydrophobic ball clay based ceramic hollow fibre membrane via universal spray coating method for membrane distillation. Separation and Purification Technology, 288, pp. 120574-120574, DOI: 10.1016/j.seppur.2022.120574.
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Type
Article
Year
2022
Authors
12
Datasets
0
Total Files
0
Language
English
Journal
Separation and Purification Technology
DOI
10.1016/j.seppur.2022.120574
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