Oily Wastewater Treatment: Overview of Conventional and Modern Methods, Challenges, and Future Opportunities

Industrial developments in the oil and gas, petrochemical, pharmaceutical and food sector have contributed to the large production of oily wastewater worldwide. Oily wastewater pollution affects drinking water and groundwater resources, endangers aquatic life and human health, causes atmospheric pol...

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Bibliographic Details
Published in:Water (Basel) Vol. 13; no. 7; p. 980
Main Authors: Abuhasel, Khaled, Kchaou, Mohamed, Alquraish, Mohammed, Munusamy, Yamuna, Jeng, Yong Tzyy
Format: Journal Article
Language:English
Published: Basel MDPI AG 02.04.2021
Subjects:
air pollution
Aluminum
aquatic organisms
Chemical oxygen demand
Chemical spills
commercialization
crop production
Drinking water
Efficiency
Environmental impact
food industry
groundwater
human health
humans
Innovations
Methods
Oil spills
oils
operating costs
Pollutants
Purification
Sewage
Sewer systems
wastewater
wastewater treatment
Water
Water pollution
Water treatment
ISSN:2073-4441, 2073-4441
Online Access:Get full text
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Summary:Industrial developments in the oil and gas, petrochemical, pharmaceutical and food sector have contributed to the large production of oily wastewater worldwide. Oily wastewater pollution affects drinking water and groundwater resources, endangers aquatic life and human health, causes atmospheric pollution, and affects crop production. Several traditional and conventional methods were widely reported, and the advantages and limitations were discussed. However, with the technology innovation, new trends of coupling between techniques, use of new materials, optimization of the cleaning process, and multiphysical approach present new paths for improvement. Despite these trends of improvement and the encouraging laboratory results of modern and green methods, many challenges remain to be raised, particularly the commercialization and the global aspect of these solutions and the reliability to reduce the system’s maintenance and operational cost. In this review, the well-known oily wastewater cleaning methods and approaches are being highlighted, and the obstacles faced in the practical use of these technologies are discussed. A critical review on the technologies and future direction as the road to commercialization is also presented to persevere water resources for the benefit of mankind and all living things.
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ISSN:2073-4441
2073-4441
DOI:10.3390/w13070980