Oil refinery wastewater treatment in the Niger Delta, Nigeria: current practices, challenges, and recommendations
2017
Osin, OluwatomiwaA. | Yu, Tianyu | Lin, Sijie
The extensive oil exploration has led to a series of environmental issues in the Niger Delta, Nigeria, over the years. Aside from oil spill, insufficient wastewater treatment of oil refineries and the discharged effluents become another potential source of pollution that has not received enough attention from the government and the public. Through reviewing the current oil refinery wastewater treatment processes and the discharge standards of wastewater effluents in Nigeria, we aimed to raise the awareness of the shortcomings of the current wastewater treatment technology and to discuss the consequences of insufficient treatment to the environment. This article further discussed the use of nanotechnology as a potential upgrade to the conventional treatment technologies as it has shown its capacity of removing persistent organic pollutants (POPs) or converting hazardous components to environmentally friendly derivatives. It should also prove beneficial to the key stakeholders involved in the exploration of crude oil in the region to consider optimization of oil refinery wastewater treatment processes through integration of emerging technologies.
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