Development of antifouling membrane film for treatment of oil-rich industrial waste

Anggraeni, Vania Septa and Sutrisna, Putu Doddy and Goh, Pei Sean and Chan, Eric Wei Chiang and Wong, Chen Wai (2023) Development of antifouling membrane film for treatment of oil-rich industrial waste. In: The 2nd Regional Congress on Membrane Technology 2022 in Conjunction with the 16th AUN/ SEED-NET Regional Conference on Environmental Engineering 2022, 21-22 September 2022, Johor Bahru, Malaysia.

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As the largest producers of palm oil, Malaysia disposes substantial amount of oil-rich industrial waste regularly. Untreated oil-rich wastewater reduces water quality and deteriorates aquatic ecosystems. Conventional method used in treating oil-rich waste involved precipitation, flocculation, coagulation, and biological treatment, which is disadvantageous due to the high cost, high chemical use, high land area required, and difficulty in maintaining the optimum condition for microorganisms’ growth. Membrane technology showed potential in treating oil-rich waste due to the low cost, efficiency, and environmentally friendly properties. However, long term usage of membrane may result in oil fouling which will lower membrane performance. The present study attempted to use methyl gallate extracted from Anacardium occidentale leaves to mitigate oil fouling and maintain membrane performance over time. As polar compound, methyl gallate increased the hydrophilicity of cellulose acetate membrane. The developed methyl gallate/cellulose acetate membrane exhibited PWF of 56.28 ± 2.10 L m-2h 1 and rejection rates of 99.14 ± 0.03 % against oil emulsion. The membrane was able to achieve FRR of 98.73 ± 0.83 % after 4 cycles of filtration, indicating that anti-fouling properties have been enhanced.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Membrane technology; Cellulose acetate membrane; Oil fouling; Methyl gallate; Antifouling; Oil/water separation
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Engineering > Department of Chemical Engineering
Depositing User: Putu Doddy S, 61107 - 200042
Date Deposited: 09 May 2023 04:10
Last Modified: 11 May 2023 08:49

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