Phytoremediation of persistent organic pollutants (POPs)

Malik, Bisma; Pirzadah, Tanveer Bilal; Hakeem, Khalid Rehman

doi:10.1016/b978-0-323-89874-4.00010-8

Cited by 8 publications

(4 citation statements)

References 112 publications

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“…According to Malik et al [ 114 ], only few plant species, e.g., Cucurbita , are capable of absorbing permanent pollutants (POPs) from soil. Therefore, breeding transgenic, hyperaccumulative plants encoding for POP-degrading enzymes may foster certain potential in the phytoremediation of these pollutants.…”

Section: Discussionmentioning

confidence: 99%

The Usability of Sorbents in Restoring Enzymatic Activity in Soils Polluted with Petroleum-Derived Products

et al. 2023

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Due to their ability to adsorb or absorb chemical pollutants, including organic compounds, sorbents are increasingly used in the reclamation of soils subjected to their pressure, which results from their high potential in eliminating xenobiotics. The precise optimization of the reclamation process is required, focused primarily on restoring the condition of the soil. This research are essential for seeking materials sufficiently potent to accelerate the remediation process and for expanding knowledge related to biochemical transformations that lead to the neutralization of these pollutants. The goal of this study was to determine and compare the sensitivity of soil enzymes to petroleum-derived products in soil sown with Zea mays, remediated using four sorbents. The study was conducted in a pot experiment, with loamy sand (LS) and sandy loam (SL) polluted with VERVA diesel oil (DO) and VERVA 98 petrol (P). Soil samples were collected from arable lands, and the effects of the tested pollutants were compared with those used as control uncontaminated soil samples in terms of Zea mays biomass and the activity of seven enzymes in the soil. The following sorbents were applied to mitigate DO and P effects on the test plants and enzymatic activity: molecular sieve (M), expanded clay (E), sepiolite (S), and Ikasorb (I). Both DO and P exerted a toxic effect on Zea mays, with DO more strongly disturbing its growth and development and the activities of soil enzymes than P. In sandy clay (SL), P was found to be a significant inhibitor of dehydrogenases (Deh), catalase (Cat), urease (Ure), alkaline phosphatase (Pal), and arylsulfatase (Aryl) activities, while DO stimulated the activity of all enzymes in this soil. The study results suggest that the sorbents tested, mainlya molecular sieve, may be useful in remediating DO-polluted soils, especially when alleviating the effects of these pollutants in soils of lower agronomic value.

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Section: Discussionmentioning

confidence: 99%

The Usability of Sorbents in Restoring Enzymatic Activity in Soils Polluted with Petroleum-Derived Products

et al. 2023

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“…Floridor (Organ Concentration Factor: 177-181;Cabidoche and Lesueur-Jannoyer, 2012). Among plants, only a few species, for example, Cucurbita, exhibited distinctive capacity for the uptake of notable quantities of persistent organic pollutants (POPs) from the soil (White, 2010) and are considered to be POP hyperaccumulators (Malik et al, 2022). Unfortunately, we were not able to locate any results concerning the relationships between trees and CLD in the literature to compare with our results except for one a study on orchard tree fruits (Cabidoche et al, 2006).…”

Section: Mean Cld Bioconcentration Ratio (Wcr) In the Trees Studiedmentioning

confidence: 99%

Chlordecone in basal trunk wood of native trees growing in abandoned banana plantations in Guadeloupe, France

Nicolini

Beauchêne

Bonnal³

et al. 2022

Bois for. trop.

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Chlordecone (CLD), used to control the Cosmopolites sordidus banana weevil and released from polluted banana plantations, continues to contaminate ecosystems in the French Caribbean. Edible plants have been actively studied for risk prevention, but trees have not, even though they could play a significant role in future remediation strategies. CLD contents were analysed in 24 pioneer trees belonging to 13 species found in abandoned banana plantations in Guadeloupe, at three contaminated sites on Nitisols (Site 1) and Andosols (Sites 2 and 3). Wood samples were taken from each tree in the basal part of the trunk and the soil at its foot and their CLD content was measured by the analytical laboratory for the Drôme département (26) in Valence, France. Mean CLD contents in the top 30-centimetre soil layer from sites 1, 2 and 3 were 2,543 ± 702, 5,251 ± 1,102 and 875 ± 865 µg/kg dry soil respectively. Of the trees, 96% were contaminated. The CLD content in trees growing on Nitisols (3,406 ± 1,658 µg/kg dry wood) was at least 5 times higher than in trees growing on Andosols (299 ± 314 and 226 ± 378 µg/kg), but no clear relationships were found with soil CLD contents. Calculations of available CLD dissolved in the soil liquid phase using equations and soil datasets in the literature showed higher available CLD contents in Nitisols than in Andosols and a linear relationship between CLD available in soil and concentrations of CLD in wood, regardless of the type of soil. Trees growing on Nitisols are the plants most highly contaminated by CLD of all the plants in which this compound has been studied so far. With a plant-to-soil bioconcentration ratio around 150 l/kg, the consistent CLD uptake efficiency of the trees needs to be taken into account in further research for CLD remediation.

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“…Although efforts to reduce emissions of toxic organic compounds into the environment have been ongoing for decades, their negative impact on the environment and on societies remains significant. In many cases these compounds self-degrade very slowly in the environment so that their concentrations in contaminated sites remain high for a very long time [ 2 ]. Polycyclic aromatic hydrocarbons (PAHs), as widespread environmental pollutants, are generally characterized by high melting and boiling points, low solubility, and low vapor pressure [ 3 ], and have carcinogenic, mutagenic, teratogenic, and estrogenic properties and can pose a significant threat to human health [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Application of Ozonation-Biodegradation Hybrid System for Polycyclic Aromatic Hydrocarbons Degradation

Olak-Kucharczyk

Festinger

Smułek

2023

IJERPH

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Creosote, a mixture of polycyclic aromatic hydrocarbons (PAHs), was and is a wood impregnate of widespread use. Over the years the accumulation of creosote PAHs in soils and freshwaters has increased, causing a threat to ecosystems. The combined ozonation-biodegradation process is proposed to improve the slow and inefficient biodegradation of creosote hydrocarbons. The impact of different ozonation methods on the biodegradation of model wastewater was evaluated. The biodegradation rate, the changes in chemical oxygen demand, and the total organic carbon concentration were measured in order to provide insight into the process. Moreover, the bacteria consortium activity was monitored during the biodegradation step of the process. The collected data confirmed the research hypothesis, which was that the hybrid method can improve biodegradation. The pre-ozonation followed by inoculation with a bacteria consortium resulted in a significant increase in the biodegradation rate. It allows for the shortening of the time required for the consortium to reach maximum degradation effectiveness and cell activity. Hence, the study gives an important and useful perspective for the decontamination of creosote-polluted ecosystems.

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Phytoremediation of persistent organic pollutants (POPs)

Cited by 8 publications

References 112 publications

The Usability of Sorbents in Restoring Enzymatic Activity in Soils Polluted with Petroleum-Derived Products

The Usability of Sorbents in Restoring Enzymatic Activity in Soils Polluted with Petroleum-Derived Products

Chlordecone in basal trunk wood of native trees growing in abandoned banana plantations in Guadeloupe, France

Application of Ozonation-Biodegradation Hybrid System for Polycyclic Aromatic Hydrocarbons Degradation

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