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Magnetic scaffolds in oil spill applications

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Abstract

The discharge of liquid petroleum hydrocarbons into the environment is coined as an oil spill and is identified as a major form of ‘ocean pollution’. There are seven major proposed techniques to selectively remove spilled oil from water surfaces, and the choice of technique depends on the type of crude oil, temperature of the water, and other environmental conditions. After the proposal by Nicolaides et al. that the magnetic nanocomposite-based oil recovery method can be 30% less costly than other available methods, high surface area magnetic materials have received tremendous attention. Many interesting laboratory scale approaches have been reported so far on magnetic nanomaterial-based oil recovery. Most of the techniques use synergistic activities of engineered superhydrophobic scaffolds which are functionalized with magnetic particles either inherently or by external means. In this review article, the advancements in magnetic material-based oil spill clean-up are discussed by reviewing the literature from the last ten years. This review ends with the plausible future direction of this field and also discusses the commercial viability of some of these techniques.

Graphical abstract: Magnetic scaffolds in oil spill applications

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Article information


Submitted
15 Aug 2019
Accepted
16 Nov 2019
First published
18 Nov 2019

Environ. Sci.: Water Res. Technol., 2020, Advance Article
Article type
Tutorial Review

Magnetic scaffolds in oil spill applications

B. Singh, S. Kumar, B. Kishore and T. N. Narayanan, Environ. Sci.: Water Res. Technol., 2020, Advance Article , DOI: 10.1039/C9EW00697D

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