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Review

A Review on the Treatment of Petroleum Refinery Wastewater Using Advanced Oxidation Processes

1
Department of Chemical Engineering, Qatar University, Doha P.O. Box 2713, Qatar
2
School of Chemical Engineering, Engineering Campus, University Sains Malaysia, Nibong Tebal 14300, Pulau Pinang, Malaysia
*
Author to whom correspondence should be addressed.
Academic Editors: Irina Levchuk, Javier Moreno-Andrés and Juan José Rueda-Márquez
Catalysts 2021, 11(7), 782; https://doi.org/10.3390/catal11070782
Received: 2 June 2021 / Revised: 22 June 2021 / Accepted: 23 June 2021 / Published: 27 June 2021
(This article belongs to the Special Issue Trends in Environmental Applications of Advanced Oxidation Processes)
The petroleum industry is one of the most rapidly developing industries and is projected to grow faster in the coming years. The recent environmental activities and global requirements for cleaner methods are pushing the petroleum refining industries for the use of green techniques and industrial wastewater treatment. Petroleum industry wastewater contains a broad diversity of contaminants such as petroleum hydrocarbons, oil and grease, phenol, ammonia, sulfides, and other organic composites, etc. All of these compounds within discharged water from the petroleum industry exist in an extremely complicated form, which is unsafe for the environment. Conventional treatment systems treating refinery wastewater have shown major drawbacks including low efficiency, high capital and operating cost, and sensitivity to low biodegradability and toxicity. The advanced oxidation process (AOP) method is one of the methods applied for petroleum refinery wastewater treatment. The objective of this work is to review the current application of AOP technologies in the treatment of petroleum industry wastewater. The petroleum wastewater treatment using AOP methods includes Fenton and photo-Fenton, H2O2/UV, photocatalysis, ozonation, and biological processes. This review reports that the treatment efficiencies strongly depend on the chosen AOP type, the physical and chemical properties of target contaminants, and the operating conditions. It is reported that other mechanisms, as well as hydroxyl radical oxidation, might occur throughout the AOP treatment and donate to the decrease in target contaminants. Mainly, the recent advances in the AOP treatment of petroleum wastewater are discussed. Moreover, the review identifies scientific literature on knowledge gaps, and future research ways are provided to assess the effects of these technologies in the treatment of petroleum wastewater. View Full-Text
Keywords: petroleum wastewater refinery; advanced oxidation process; fenton; photo-Fenton; ozonation petroleum wastewater refinery; advanced oxidation process; fenton; photo-Fenton; ozonation
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MDPI and ACS Style

Elmobarak, W.F.; Hameed, B.H.; Almomani, F.; Abdullah, A.Z. A Review on the Treatment of Petroleum Refinery Wastewater Using Advanced Oxidation Processes. Catalysts 2021, 11, 782. https://doi.org/10.3390/catal11070782

AMA Style

Elmobarak WF, Hameed BH, Almomani F, Abdullah AZ. A Review on the Treatment of Petroleum Refinery Wastewater Using Advanced Oxidation Processes. Catalysts. 2021; 11(7):782. https://doi.org/10.3390/catal11070782

Chicago/Turabian Style

Elmobarak, Wamda Faisal, Bassim H. Hameed, Fares Almomani, and Ahmad Zuhairi Abdullah. 2021. "A Review on the Treatment of Petroleum Refinery Wastewater Using Advanced Oxidation Processes" Catalysts 11, no. 7: 782. https://doi.org/10.3390/catal11070782

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