Journal
CHEMOSPHERE
Volume 223, Issue -, Pages 285-309Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2019.02.025
Keywords
Phytoremediation; Chemical pollutants; Macrophytes; Duckweed; Constructed wetlands; Petroleum hydrocarbons
Categories
Funding
- World Bank Africa Centre of Excellence, Centre for Oilfield Chemicals Research (ACE-CEFOR), Institute of Petroleum Studies, University of Port Harcourt
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Over the past 50 years, different strategies have been developed for the remediation of polluted air, land and water. Driven by public opinion and regulatory bottlenecks, ecological based strategies are preferable than conventional methods in the treatments of chemical effluents. Ecological systems with the application of microbes, fungi, earthworms, plants, enzymes, electrode and nanoparticles have been applied to varying degrees in different media for the remediation of various categories of pollutants. Aquatic macrophytes have been used extensively for the remediation of pollutants in wastewater effluents and aquatic environment over the past 30 years with the common duckweed (L. minor) as one of the most effective macrophytes that have been applied for remediation studies. Duckweed has shown strong potentials for the phytoremediation of organic pollutants, heavy metals, agrochemicals, pharmaceuticals and personal care products, radioactive waste, nanomaterials, petroleum hydrocarbons, dyes, toxins, and related pollutants. This review covers the state of duckweed application for the remediation of diverse aquatic pollutants and identifies gaps that are necessary for further studies as we find pragmatic and sound ecological solutions for the remediation of polluted environment for sustainable development. (C) 2019 Elsevier Ltd. All rights reserved.
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