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Review
. 2015 Dec 30;101(2):483-90.
doi: 10.1016/j.marpolbul.2015.09.010. Epub 2015 Sep 26.

Remediation technologies for oil-contaminated sediments

Ashutosh Agarwal  1 , Yu Liu  2
Affiliations

Affiliations

  • 1 Advanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore.
  • 2 Advanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore. Electronic address: cyliu@ntu.edu.sg.
Review

Remediation technologies for oil-contaminated sediments

Ashutosh Agarwal et al. Mar Pollut Bull. .
. 2015 Dec 30;101(2):483-90.
doi: 10.1016/j.marpolbul.2015.09.010. Epub 2015 Sep 26.

Authors

Ashutosh Agarwal  1 , Yu Liu  2

Affiliations

  • 1 Advanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore.
  • 2 Advanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore. Electronic address: cyliu@ntu.edu.sg.

Abstract

Oil-contaminated sediments pose serious environmental hazards for both aquatic and terrestrial ecosystems. Innovative and environmentally compatible technologies are urgently required to remove oil-contaminated sediments. In this paper, various physical, chemical and biological technologies are investigated for the remediation of oil-contaminated sediments such as flotation and washing, coal agglomeration, thermal desorption, ultrasonic desorption, bioremediation, chemical oxidation and extraction using ionic liquids. The basic principles of these technologies as well as their advantages and disadvantages for practical application have been discussed. A combination of two or more technologies is expected to provide an innovative solution that is economical, eco-friendly and adaptable.

Keywords: Contamination; Crude oil; Remediation; Sediment.

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