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Production of High Purity Biosurfactants Using Heavy Oil Residues as Carbon Source

Author

Listed:
  • Athina Mandalenaki

    (School of Environmental Engineering, Technical University of Crete, 73100 Chania, Crete, Greece)

  • Nicolas Kalogerakis

    (School of Environmental Engineering, Technical University of Crete, 73100 Chania, Crete, Greece
    Institute of Petroleum Research, Foundation for Research and Technology Hellas, 73100 Chania, Crete, Greece)

  • Eleftheria Antoniou

    (School of Environmental Engineering, Technical University of Crete, 73100 Chania, Crete, Greece)

Abstract

Typically, oil pollution cleanup procedures following first response actions include dispersion. Crude oil is biodegradable, and its bioavailability can be increased when dispersed into very fine droplets by means of chemical surfactants. Although their use is widely spread in many applications, the latter may prove toxic, depending on the extent of use. The use of biological means, such as bioremediation and biosurfactants, has emerged over the past years as a very promising ‘green’ alternative technology. Biosurfactants (BSs) are amphiphilic molecules produced by microorganisms during biodegradation, thus increasing the bioavailability of the organic pollutants. It is their biodegradability and low toxicity that render BSs as a very promising alternative to the synthetic ones. Alcanivorax borkumensis SK2 strain ability to produce BSs, without any impurities from the substrate, was investigated. The biosurfactant production was scaled up by means of a sequencing batch reactor (SBR) and a heavy oil residue substrate as the carbon source. The product is free from substrate impurities, and its efficiency is tested on oil bioremediation in the marine environment. The product’s dispersion efficiency was determined by the baffled flask test. The production method proposed can have a significant impact to the market, given the ever-increasing demand for ecologically friendly, reliable, commercially viable and economically competitive environmental cleanup techniques.

Suggested Citation

  • Athina Mandalenaki & Nicolas Kalogerakis & Eleftheria Antoniou, 2021. "Production of High Purity Biosurfactants Using Heavy Oil Residues as Carbon Source," Energies, MDPI, vol. 14(12), pages 1-17, June.
  • Handle: RePEc:gam:jeners:v:14:y:2021:i:12:p:3557-:d:575425
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    References listed on IDEAS

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    1. Mariacrocetta Sambito & Alessandro Severino & Gabriele Freni & Larysa Neduzha, 2021. "A Systematic Review of the Hydrological, Environmental and Durability Performance of Permeable Pavement Systems," Sustainability, MDPI, vol. 13(8), pages 1-12, April.
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    Cited by:

    1. Kalpana Sharma & Vandana Singh & Soumya Pandit & Bhim Sen Thapa & Kumud Pant & Tanmoy Roy Tusher, 2022. "Isolation of Biosurfactant-Producing Bacteria and Their Co-Culture Application in Microbial Fuel Cell for Simultaneous Hydrocarbon Degradation and Power Generation," Sustainability, MDPI, vol. 14(23), pages 1-19, November.

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