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Treatment of Palm Oil Mill Effluent Using Membrane Bioreactor: Novel Processes and Their Major Drawbacks

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Department of Biological and Agricultural Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
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Department of Agricultural and Bioresources, Ahmadu Bello University, Zaria 810222, Nigeria
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Department of Chemical Engineering, Segi University, Kota Damansara, Selangor 47810, Malaysia
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Department of Food and Process Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
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Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
*
Authors to whom correspondence should be addressed.
Water 2018, 10(9), 1165; https://doi.org/10.3390/w10091165
Received: 30 July 2018 / Revised: 20 August 2018 / Accepted: 21 August 2018 / Published: 30 August 2018
(This article belongs to the Special Issue Wastewater Treatment: Review, Key Challenges, and New Perspectives)
Over the years, different types of alternative technologies have been developed and used for palm oil mill effluent (POME) treatment. Specifically, membrane bioreactor (MBR) has been employed to relegate pollutants contained in POME under different operating conditions, and the technology was found to be promising. The major challenge impeding the wider application of this technology is membrane fouling, which usually attracts high operating energy and running cost. In this regard, novel methods of mitigating membrane fouling through the treatment processes have been developed. Therefore, this review article specifically focuses on the recent treatment processes of POME using MBR, with particular emphasis on innovative processes conditions such as aerobic, anaerobic, and hybrid processing as well as their performance in relation to fouling minimization. Furthermore, the effects of sonication and thermophilic and mesophilic conditions on membrane blockage were critically reviewed. The types of foulants and fouling mechanism as influenced by different operating conditions were also analyzed censoriously. View Full-Text
Keywords: POME; membrane bioreactor; treatment processes; hybrid conditions; sonication; foulants and fouling mechanism POME; membrane bioreactor; treatment processes; hybrid conditions; sonication; foulants and fouling mechanism
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MDPI and ACS Style

Abdulsalam, M.; Che Man, H.; Isma Idris, A.; Faezah Yunos, K.; Zainal Abidin, Z. Treatment of Palm Oil Mill Effluent Using Membrane Bioreactor: Novel Processes and Their Major Drawbacks. Water 2018, 10, 1165.

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