Vetiver Grass ( Chrysopogon zizanoides L.): A Hyper-Accumulator Crop for Bioremediation of Unconventional Water

Mohammad Mahdi Dorafshan, Jahangir Abedi-Koupai, Saeid Eslamian and Mohammad Javad Amiri ()
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Mohammad Mahdi Dorafshan: Department of Water Engineering, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran
Jahangir Abedi-Koupai: Department of Water Engineering, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran
Saeid Eslamian: Department of Water Engineering, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran
Mohammad Javad Amiri: Department of Water Engineering, Faculty of Agriculture, Fasa University, Fasa 74616-86131, Iran

Sustainability, 2023, vol. 15, issue 4, 1-16

Abstract: The increase of the global population and the requirement of food production and agricultural development, combined with a lack of water resources, have led to human attention being drawn to unconventional water sources, including saline water and wastewater. Most unconventional water treatment methods are not cost-effective; however, researchers have become interested in the phytoremediation method due to its cost-efficient and eco-friendly removal of many pollutants in recent years. Research showed that due to its unique characteristics, vetiver grass can be useful in phytoremediation. In the current review, research on vetiver-based phytoremediation of unconventional water, especially wastewater, was reviewed. The vetiver-reduced contaminants in wastewater can be related to the interactions between (1) the root-released oxygen into the rhizosphere; (2) the root-based uptake of nutrients from the wastewater; (3) the existence of an appropriate surface area for the attached microbial growth; as well as (4) the root-exuded organic carbon.

Keywords: phytoremediation; vetiver grass; root exude; saline water; contaminants (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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