Principles of Phytoremediation

Shmaefsky, Brian R.

doi:10.1007/978-3-030-00099-8_1

Cited by 9 publications

(10 citation statements)

References 112 publications

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“…The covered plants in the contaminated area also avoid soil erosion and surface runoff due to the wind and rain [47]. The root exudates normally consist of amino acids, carbohydrates, enzymes, lipids, organic acids, and phenolic compounds [52]. Plants release root exudates which can act as nutrient sources and chemo-attractant of high diversity of microbes in the rhizosphere.…”

Section: Phytostabilizationmentioning

confidence: 99%

Phytoremediation Mechanism for Emerging Pollutants : A Review

Kristanti

Tirtalistyani

Tang

et al. 2023

Trop. Aqua. Soil Pollut.

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As a result of urbanization and industrialization, emerging pollutants have become a global concern due to contamination and their potential adverse effects on the ecosystem and human health. However, the characteristics and environmental fate of emerging pollutants remain unclear due to the limitations of current technologies. Emerging pollutants are predominantly released into the environment through anthropogenic activities and accumulate in water, soil, air, and dust. Despite their typically low concentrations in the environment, exposure to these pollutants can result in endocrine disruption and other health impacts on the human body, as well as oxidative stress in organisms. Phytoremediation is a green biotechnology that utilizes plants in association with microorganisms to mitigate pollutants in contaminated areas through various mechanisms. It represents a cost-effective and environmentally friendly approach, although its efficacy can be hindered by both the biological condition of plants and ecological factors. Moreover, phytoremediation generally requires a longer remediation timeframe compared to alternative technologies. The remediation of emerging pollutants aligns with the "green liver model" theory, which encompasses translocation, internal transformation and conjugation, and sequestration as classification categories. Presently, several challenges are being encountered in this field, including a lack of information regarding emerging pollutants and their metabolism in plants, the absence of a modeling framework and standardized monitoring practices, limitations in sampling and analysis technologies, as well as phytoremediation technologies. Therefore, further research is warranted to delve into the behavior of emerging pollutants and their interactions with plants, aiming to develop or enhance existing technologies. Additionally, the concept of phytomanagement should be considered, as it offers a sustainable approach to environmental remediation.

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Section: Phytostabilizationmentioning

confidence: 99%

Phytoremediation Mechanism for Emerging Pollutants : A Review

Kristanti

Tirtalistyani

Tang

et al. 2023

Trop. Aqua. Soil Pollut.

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“…Several studies in phytoremediation of tailings have been conducted using non-native species. However, an essential factor for successful processing is establishing an effective plant community; therefore, promising research in the area has been carried out with native species [30].…”

Section: Introductionmentioning

confidence: 99%

Removal of Heavy Metals from Mine Tailings in Central Chile Using Solidago chilensis Meyen, Haplopappus foliosus DC, and Lycium chilense Miers ex Bertero

Lazo

Hansen

et al. 2023

IJERPH

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Mining activities have been a part of the history of Chile since time immemorial, generating pollution and environmental liabilities. Due to the lack of regulation, many tailings are deposited close to rivers or/and on unstable ground, near which towns have been built, generally in locations with no budget for their treatment. This study tested three plant species from Northern and Central Chile to remove total chromium, nickel, and zinc from tailings: Solidago chilensis, Haplopappus foliosus, and Lycium chilense, which complements the few existing studies on heavy metals removal with native or endemic Chilean shrubs. The experiments were conducted ex situ, and the initial and final concentrations of metals were determined in tailings and plants to obtain the removal efficiency, translocation and bioconcentration factors. Among these species, the best performance was obtained using Solidago chilensis, achieving removal efficiencies of 24% for Cr, 19% for Ni, and 17% for Zn, showing the ability to phytostabilize chromium and the higher resistance concerning the toxicity threshold. Haplopappus foliosus and Lycium chilense presented a slight tendency to stabilize chromium. Only Solidago chilensis showed little ability to extract Zn.

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“…However, the economic value of agricultural products decreases significantly because of a potential health risk caused by a large number of heavy metals enrichment [6]. The second idea is just the opposite, that is, to take effective ways to restrict the enrichment of harmful heavy metals while increasing the accumulation of beneficial elements to obtain agricultural products with higher economic value [7], which has also become a new way worth exploring for the remediation of heavy metal polluted soil in the future [8].…”

Section: Introductionmentioning

confidence: 99%

Selenium Application Decreases the Enrichment and Human Exposure Risk of Cadmium in the Leaf of Jute (Corchorus capsularis L.) Planted in Uncontaminated Purple Soil

Liú

Tao

Li³

et al. 2022

Sustainability

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The effects of soil selenium (Se) application on the enrichment and human exposure risk of heavy metals in the jute (Corchorus capsularis L.) leaf have attracted extensive attention. The jute was planted with or without soil Se addition for 265 days. The jute leaf was harvested seven times during the experiment to determine the content of lead (Pb), cadmium (Cd), and Se. The results showed that the enrichment ability ranked Cd > Se > Pb. Cd in the jute leaf exceeded the average pollutant limit in GB2762-2017 by 1.37 times without Se application. The Se application is conducive to an increase of Se by 88.11–202.79%, contrarily reducing Cd by 35.40–38.32% and Pb by 9.58–26.57%. In general, the risk quotients (HQ) of Cd and Pb were decreased and less than 1 with Se treatment. Thus, the human exposure risk of Cd and Pb is negligible when ingesting the jute leaf via diet. It is suggested that Se can be applied to inhibit the enrichment of Cd and Pb in the jute production process to reduce the potential exposure risk of Cd and Pb to the human body and increase economic and nutritional values by raising Se levels in the jute leaf.

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Principles of Phytoremediation

Cited by 9 publications

References 112 publications

Phytoremediation Mechanism for Emerging Pollutants : A Review

Phytoremediation Mechanism for Emerging Pollutants : A Review

Removal of Heavy Metals from Mine Tailings in Central Chile Using Solidago chilensis Meyen, Haplopappus foliosus DC, and Lycium chilense Miers ex Bertero

Selenium Application Decreases the Enrichment and Human Exposure Risk of Cadmium in the Leaf of Jute (Corchorus capsularis L.) Planted in Uncontaminated Purple Soil

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