A review of the processes associated with the removal of oil in water pollution
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Date
2021
Journal Title
Journal ISSN
Volume Title
Publisher
MPDI
Abstract
Water plays an essential role in production and refining processes. Many industries that
use petrochemicals also require water, especially for cleaning purposes. The wastewaters released
by these processes are often rich in petroleum pollutants, which requires significant treatment prior
to disposal. The presence of petroleum contaminants in rivers and oceans is a significant threat
to human health, as well as to many animal species. A current challenge for most industries and
conventional effluent treatment plants is compliance with accepted disposal standards for oil-polluted
wastewater. Of particular importance is the processing of dispersed oil in water, as well as oil in water
emulsion. Conventional oil and water separation methods for processing oil in water contamination
have several technology gaps in terms of applicability and efficiency. The removal and effective
processing of dispersed oil and emulsions from oily wastewater is a costly and significant problem.
The objective of this paper is to provide a review of the principles associated with oil in water
emulsion separation, with the aim of providing a more definitive understanding of the terminology,
processes, and methodologies, which will assist the development of a more efficient, innovative and
environmentally friendly process for the separation of oily wastewater.
Description
Keywords
Oily wastewater, Treatment, Oil-in-water emulsion, Oil-water separation, Water pollution
Citation
Cerff, B. et al. (2021). A review of the processes associated with the removal of oil in water pollution. Sustainability, 13(22), 12339. https://doi.org/10.3390/su132212339