EFFICIENT REMOVAL OF HEAVY METALS BY PHYTOREMEDIATION TECHNIQUES

Shahbaz Nasir Khan (), Mohammad Mohsin and Muhammad Farooq Anwar
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Shahbaz Nasir Khan: Department of Structures and Environmental Engineering, Faculty of Agricultural Engineering and Technology, University of Agriculture, Faisalabad, Pakistan
Mohammad Mohsin: Department of Structures and Environmental Engineering, Faculty of Agricultural Engineering and Technology, University of Agriculture, Faisalabad, Pakistan
Muhammad Farooq Anwar: Department of Structures and Environmental Engineering, Faculty of Agricultural Engineering and Technology, University of Agriculture, Faisalabad, Pakistan

Journal Clean WAS (JCleanWAS), 2022, vol. 6, issue 2, 62-65

Abstract: Direct and indirect disposal of different wastes either due to some accidental spillage or due to practicing of sewage sludge to agricultural fields for diverse reasons in the water reservoirs contributes towards contamination of our ecosystem. Physical removal or immobilization is required for making soil and water contaminant-free from such kind of heavy metals. The Earth crust is mainly composed of these heavy metals and as they are non-degradable in nature, so there is a greater risk of their entrance into the food web and lead to various health hazards. Phytoremediation is an innovative, environment friendly, cost-effective, and aesthetically pleasing approach to remove/immobilize heavy metals. Processes mainly involves the detoxification, removal, or stabilization of retentive pollutants via utilization of vegetation and is a green environmental-friendly tool for cleaning polluted soils. It is a broad-spectrum remediation mechanism in which several processes are involved as mentioned here includes phyto-stabilization, rhizo-filtration, rhizo-degradation, phyto-degradation, phyto-extraction, and phyto-volatilization. Use of aromatic non-edible plants is sustainable and the best treatment approach for the elimination of toxic metals. These plants are not removed directly by humans or animals like non-aromatic edible crops such as cereals, pulses, or vegetables. This research is entirely based on qualitative analysis with descriptive approach. The crops like mustard plant, sunflower, rapeseed etc. are effectively put in an application at sites with superficial contamination of organic or inorganic contaminants via the above-mentioned six techniques. Phytoremediation is a reliable reclaiming treatment and hence the most demanding remediation technology in the world.

Keywords: Phytoremediation; Heavy Metals; Remediation; Contaminants (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:zib:jclnws:v:6:y:2022:i:2:p:62-65

DOI: 10.26480/jcleanwas.02.2022.62.65

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