A review of the prospects, efficacy and sustainability of nanotechnology-based approaches for oil spill remediation

Author:

Prajapat Ramchandra1,Yadav Himanshu1,Shaik Aabid Hussain1,Kiran Bandaru1ORCID,Kanchi Rohit Sunil2,Shaik Saboor2,Said Zafar3,Chandan Mohammed Rehaan1ORCID,Chakraborty Samarshi1

Affiliation:

1. Colloids and Polymer Research Group, School of Chemical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India

2. School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India

3. Sustainable and Renewable Energy Engineering (SREE), College of Engineering, University of Sharjah, Sharjah, United Arab Emirates

Abstract

Numerous marine oil spill incidents and their environmental catastrophe have raised the concern of the research community and environmental agencies on the topic of the offshore crude oil spill. The oil transport through oil tankers and pipelines has further aggravated the risk of the oil spill. This has led to the necessity to develop an effective, environment-friendly, versatile oil spill clean-up strategy. The current review article analyses various nanotechnology-based methods for marine oil spill clean-up, focusing on their recovery rate, reusability and cost. The authors weighed the three primary factors recovery, reusability and cost distinctively for the analysis based on their significance in various contexts. The findings and analysis suggest that magnetic nanomaterials and nano-sorbent have been the most effective nanotechnology-based marine oil spill remediation techniques, with the magnetic paper based on ultralong hydroxyapatite nanowires standing out with a recovery rate of over 99%. The chitosan-silica hybrid nano-sorbent and multi-wall carbon nanotubes are also promising options with high recovery rates of up to 95–98% and the ability to be reused multiple times. Although the photocatalytic biodegradation approach and the nano-dispersion method do not offer benefits for recovery or reusability, they can nevertheless help lessen the negative ecological effects of marine oil spills. Therefore, careful evaluation and selection of the most appropriate method for each marine oil spill situation is crucial. The current review article provides valuable insights into the current state of nanotechnology-based marine oil spill clean-up methods and their potential applications.

Publisher

SAGE Publications

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