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A Review of the Processes Associated with the Removal of Oil in Water Pollution

Author

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  • Bradley Cerff

    (South African Institute for Advanced Materials Chemistry (SAIAMC), University of the Western Cape, Robert Sobukwe Road, Cape Town 7530, South Africa)

  • David Key

    (South African Institute for Advanced Materials Chemistry (SAIAMC), University of the Western Cape, Robert Sobukwe Road, Cape Town 7530, South Africa)

  • Bernard Bladergroen

    (South African Institute for Advanced Materials Chemistry (SAIAMC), University of the Western Cape, Robert Sobukwe Road, Cape Town 7530, South Africa)

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.

Suggested Citation

  • Bradley Cerff & David Key & Bernard Bladergroen, 2021. "A Review of the Processes Associated with the Removal of Oil in Water Pollution," Sustainability, MDPI, vol. 13(22), pages 1-20, November.
  • Handle: RePEc:gam:jsusta:v:13:y:2021:i:22:p:12339-:d:674848
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    References listed on IDEAS

    as
    1. Ivan Radelyuk & Kamshat Tussupova & Kulshat Zhapargazinova & Madeniyet Yelubay & Magnus Persson, 2019. "Pitfalls of Wastewater Treatment in Oil Refinery Enterprises in Kazakhstan—A System Approach," Sustainability, MDPI, vol. 11(6), pages 1-20, March.
    2. Józef Ober & Janusz Karwot, 2021. "Tap Water Quality: Seasonal User Surveys in Poland," Energies, MDPI, vol. 14(13), pages 1-22, June.
    3. Editorial Article, 0. "Abstracts," Economics of Contemporary Russia, Regional Public Organization for Assistance to the Development of Institutions of the Department of Economics of the Russian Academy of Sciences, issue 3.
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