Rhizofiltration system consisting of Phragmites australis and Kyllinga nemoralis: evaluation of efficient removal of metals and pathogenic microorganisms

Odinga, Christine; Kumar, Ajit; Mthembu, Mathews Simon; Bux, Faizal; Swalaha, Feroz Mahomed

doi:10.5004/dwt.2019.24428

Cited by 17 publications

(8 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Brachiaria mutica persisted in a hydroponic system containing high Pb concentrations (100, 200, and 500 μmol L –1 ) and retained the major part of Pb ad- and absorbed in its roots ( Khan et al, 2018 ). Phragmites australis efficiently decreased the concentrations of Cr, Cu, Ni, Pb, and Zn in a phytofiltration system for wastewaters ( Odinga et al, 2019 ). Terrestrial plants normally have extensive fibrous roots that provide a larger surface area for trace elements sorption than aquatic plants ( Awa and Hadibarata, 2020 ; Kristanti et al, 2021 ).…”

Section: Use Of Grasses For Trace Element Phytoremediationmentioning

confidence: 99%

Are Grasses Really Useful for the Phytoremediation of Potentially Toxic Trace Elements? A Review

et al. 2021

View full text Add to dashboard Cite

The pollution of soil, water, and air by potentially toxic trace elements poses risks to environmental and human health. For this reason, many chemical, physical, and biological processes of remediation have been developed to reduce the (available) trace element concentrations in the environment. Among those technologies, phytoremediation is an environmentally friendly in situ and cost-effective approach to remediate sites with low-to-moderate pollution with trace elements. However, not all species have the potential to be used for phytoremediation of trace element-polluted sites due to their morpho-physiological characteristics and low tolerance to toxicity induced by the trace elements. Grasses are prospective candidates due to their high biomass yields, fast growth, adaptations to infertile soils, and successive shoot regrowth after harvest. A large number of studies evaluating the processes related to the uptake, transport, accumulation, and toxicity of trace elements in grasses assessed for phytoremediation have been conducted. The aim of this review is (i) to synthesize the available information on the mechanisms involved in uptake, transport, accumulation, toxicity, and tolerance to trace elements in grasses; (ii) to identify suitable grasses for trace element phytoextraction, phytostabilization, and phytofiltration; (iii) to describe the main strategies used to improve trace element phytoremediation efficiency by grasses; and (iv) to point out the advantages, disadvantages, and perspectives for the use of grasses for phytoremediation of trace element-polluted soils.

show abstract

Section: Use Of Grasses For Trace Element Phytoremediationmentioning

confidence: 99%

Are Grasses Really Useful for the Phytoremediation of Potentially Toxic Trace Elements? A Review

et al. 2021

View full text Add to dashboard Cite

show abstract

“…Heavy metals were placed in the plant, and reference portions of the rhizo-filter were used in variable meditations (Hadi & Bano 2010). Results showed that Cd levels rose by 33 and 21 percent in the root system of K nemoralis, representing that the arrangement is operative for heavy metal extraction from wastewater (Odinga et al, 2019).…”

Section: Phytoremediationmentioning

confidence: 95%

Comparative Analysis of Heavy Metal's Toxicity in Plants Physiology and its Remediation

Tariq

2024

ANST

View full text Add to dashboard Cite

Heavy metals (HMs) contaminate the environment worldwide, alter microflora structure, diversity, and function, degrade soils, and reduce plant growth and yield; that is why HMs treatment is essential to maintain soil health. Traditional approaches to heavy metals are expensive, not environmentally friendly, and adversely affect the soil. Microbial application is an ecologically friendly tactic for the removal of heavy metals. Microorganisms augment soil health improvement, which is the vital enhancement of plants' response to abiotic stress via various mechanisms, including phytohormones, biosurfactants, exopolymers, antioxidant enzyme production, and organic acids. Heavy metals show an active part in nature since they are essential for plant growth stages as these are correspondingly tangled in relocating electrons and redox reactions, indeed a vital portion of numerous enzymes as a straight contributor and elementary role in the metabolism of nucleic acid but additional concentration consequences in numerous lethal paraphernalia. Hence, the present article comprised the evidence for an improved understanding of heavy metal toxicity in various plants and its accumulation mechanism by plants. The root is an imperative gateway for water absorption and organic nourishment in which an advanced metal concentration element likewise accompanies numerous lands, whichever non-essential (e. g. Fe, Cu, and Mn) or essential metal elements or else heavy metals (e. g. Al, Hg, Pb, Ag, and Cd). The way to control metal essentials entry in the cell includes chelation and protection of compounds able to nullify the impairment once the metal component arrives via metallothionein or photoheating composites. Moreover, before their existence, antioxidant compounds were released into vacuoles and additionally rooted in a cellular structure, preventing the dangerous absorption of metal from avoiding cellular injury and toxic effects.

show abstract

“…Contaminated areas become less prone to the spread of harmful substances over time, rendering phytostabilization a valuable approach for mitigating soil contamination without resorting to costly excavation and removal approaches. In 2019, Monaci et al explored the phytostabilization potential of Erica australis L. and Nerium oleander L. in the Riotinto mining area [22]. Another study by Fresno et al (2018) evaluated an aided phytostabilization strategy that employs several composite amendments of iron sulfate and organic materials in combination with Lupinus albus L. for the remediation of soil contaminated with arsenic and copper [26].…”

Section: Phytostabilizationmentioning

confidence: 99%

Reducing Heavy Metal Contamination in Soil and Water Using Phytoremediation

Zhakypbek,

Kossalbayev,

Belkozhayev

et al. 2024

Plants

View full text Add to dashboard Cite

The increase in industrialization has led to an exponential increase in heavy metal (HM) soil contamination, which poses a serious threat to public health and ecosystem stability. This review emphasizes the urgent need to develop innovative technologies for the environmental remediation of intensive anthropogenic pollution. Phytoremediation is a sustainable and cost-effective approach for the detoxification of contaminated soils using various plant species. This review discusses in detail the basic principles of phytoremediation and emphasizes its ecological advantages over other methods for cleaning contaminated areas and its technical viability. Much attention has been given to the selection of hyperaccumulator plants for phytoremediation that can grow on heavy metal-contaminated soils, and the biochemical mechanisms that allow these plants to isolate, detoxify, and accumulate heavy metals are discussed in detail. The novelty of our study lies in reviewing the mechanisms of plant–microorganism interactions that greatly enhance the efficiency of phytoremediation as well as in discussing genetic modifications that could revolutionize the cleanup of contaminated soils. Moreover, this manuscript discusses potential applications of phytoremediation beyond soil detoxification, including its role in bioenergy production and biodiversity restoration in degraded habitats. This review concludes by listing the serious problems that result from anthropogenic environmental pollution that future generations still need to overcome and suggests promising research directions in which the integration of nano- and biotechnology will play an important role in enhancing the effectiveness of phytoremediation. These contributions are critical for environmental scientists, policy makers, and practitioners seeking to utilize phytoremediation to maintain the ecological stability of the environment and its restoration.

show abstract

Rhizofiltration system consisting of Phragmites australis and Kyllinga nemoralis: evaluation of efficient removal of metals and pathogenic microorganisms

Cited by 17 publications

References 23 publications

Are Grasses Really Useful for the Phytoremediation of Potentially Toxic Trace Elements? A Review

Are Grasses Really Useful for the Phytoremediation of Potentially Toxic Trace Elements? A Review

Comparative Analysis of Heavy Metal's Toxicity in Plants Physiology and its Remediation

Reducing Heavy Metal Contamination in Soil and Water Using Phytoremediation

Contact Info

Product

Resources

About