期刊
ENVIRONMENTAL TECHNOLOGY & INNOVATION
卷 21, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.eti.2020.101340
关键词
Phycoremediation; Wastewater; Emerging contaminants; Biofuel; Heavy metals; Pesticides
Water pollution is a serious concern globally, with direct discharge of wastewater posing risks to aquatic ecosystems. Microalgae have been found to be an efficient and ecofriendly technique for purifying water environments.
Water pollution has grown to be a grave concern in the world. Direct discharge of wastewater poses risks to the aquatic ecosystems by causing eutrophication and degrades their physico-chemical characteristics. Moreover, wastewater is mainly enriched with recalcitrant toxic substances that pose detrimental impacts on the receiving environments. Conventional treatment approaches are mostly applied to remove nuisance pollutants from aquatic systems but are expensive and inefficient. Exploring microalgae has been found to be an efficient and ecofriendly technique for purification of aquatic environs. Furthermore, microalgae can effectively remove N (90-98.4%), P (66%-98%), Pb (75%-100%), Zn (15.6-99.7%), Cr (52.54%-96%), Hg (77%-97%), Cu (45%-98%) and Cd (2-93.06%) from contaminated aquatic systems. Microalgae play a pivotal role in degrading the complex pesticides (alpha-endosulfan, lindane, isoproturon and glyphosate) and emerging concerned contaminants (triclosan, bisphenol A, 17 alpha-ethinylestradiol, tramadol and diclofenac) in elegant manner from disturbed environs. Apart from toxic pollutant removal, microalgae produce biomass, thereby acts as the efficient source of additional products like biofuel, carbohydrates, lipids and proteins which can make phycoremediation more frugal and sustainable. (C) 2020 Elsevier B.V. All rights reserved.
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