Effects of Elevated Concentrations of Co-Existing Heavy Metals and PAHs in Soil on Phytoremediation

Reddy, Krishna R.; Chirakkara, Reshma A.; Ribeiro, Luís Fernando Martins

doi:10.1061/(asce)hz.2153-5515.0000538

Cited by 9 publications

(4 citation statements)

References 29 publications

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“…This negative effect of PO blocks on plant development can be explained by the leachability of organic substances containing PAHs from the resulting materials. Similar observations on the harmful effects of PAHs on plant growth have been reported in the literature [54]. These compounds can be transported across cell membranes, causing them damage and increasing their permeability, which consequently leads to the inhibition of plant growth [55].…”

Section: Oil Blocks Based On Post-pyrolysis Oilssupporting

confidence: 79%

Assessment of the Environmental Impact of Solid Oil Materials Based on Pyrolysis Oil

Staroń,

Kijania-Kontak,

Dziadas

et al. 2023

Materials

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One method of managing used car tires is decomposition by thermochemical conversion methods. By conducting the process at temperatures of 450–750 °C, three fractions are obtained from tires: oil, gas, and solid. The liquid product of the pyrolysis of used car tires is pyrolysis oil, which consists of aromatic, polyaromatic, and aliphatic hydrocarbons. Unconventional building materials were obtained from tire pyrolysis oil and the environmental impact was evaluated. Blocks made from pyrolysis oil showed mechanical strength of up to about 1700 N. No heavy metals or polycyclic aromatic hydrocarbons, which were found in the crude heavy-PO fraction, were detected in the filtrates after incubation of the block obtained from the heavy-PO fraction at 240 °C. The highest inhibition of Sorghum saccharatum shoot (74.4%) and root (57.5%) growth was observed for solid materials from the medium-PO fraction obtained at 240 °C. The most favorable values of the parameters for the process of obtaining blocks based on post-PO were an annealing temperature of 180 °C, time of 20 h, and mass ratio of catalyst to catalyzed oil of 0.045.

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Section: Oil Blocks Based On Post-pyrolysis Oilssupporting

confidence: 79%

Assessment of the Environmental Impact of Solid Oil Materials Based on Pyrolysis Oil

Staroń,

Kijania-Kontak,

Dziadas

et al. 2023

Materials

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“…Another important parameter is the characterization of microorganisms associated with the phylosphere, because the ephytic bacterial communities present in the leaves of host plants can harbor genes involved in hydrocarbon degradation, varying in quantity with the seasons (Franzetti et al 2020). However, in natural environments, the contamination by trace elements often coexists with organic contaminants, reducing phytoextraction capacity (Liu et al 2008;Reddy et al 2020). Further, the higher concentrations of contaminants negatively influenced plant growth, biomass, germination, and survival (Reddy et al 2020).…”

Section: Air Pollutantsmentioning

confidence: 99%

“…However, in natural environments, the contamination by trace elements often coexists with organic contaminants, reducing phytoextraction capacity (Liu et al 2008;Reddy et al 2020). Further, the higher concentrations of contaminants negatively influenced plant growth, biomass, germination, and survival (Reddy et al 2020).…”

Section: Air Pollutantsmentioning

confidence: 99%

Phytoremediation by ornamental plants: a beautiful and ecological alternative

Rocha

Kochi

et al. 2021

Environ Sci Pollut Res

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Phytoremediation is an eco-friendly and economical technology in which plants are used for the removal of contaminants presents in the urban and rural environment. One of the challenges of the technique is the proper destination of the biomass of plants. In this context, the use of ornamental plants in areas under contamination treatment improves landscape, serving as a tourist option and source of income with high added value. In addition to their high stress tolerance, rapid growth, high biomass production, and good root development, ornamental species are not intended for animal and human food consumption, avoiding the introduction of contaminants into the food web in addition to improving the environments with aesthetic value. Furthermore, ornamental plants provide multiple ecosystem services, and promote human well-being, while contributing to the conservation of biodiversity. In this review, we summarized the main uses of ornamental plants in phytoremediation of contaminated soil, air, and water. We discuss the potential use of ornamental plants in constructed buffer strips aiming to mitigate the contamination of agricultural lands occurring in the vicinity of sources of contaminants. Moreover, we underlie the ecological and health benefits of the use of ornamental plants in urban and rural landscape projects. This study is expected to draw attention to a promising decontamination technology combined with the beautification of urban and rural areas as well as a possible alternative source of income and diversification in horticultural production.

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“…Land infection is not only dangerous for the subsurface water aquifers but it additionally poses grave damage to the systems present in it [4][5][6][7]. Any fluctuations in engineering properties and composition of soil strata can also cause loss of bearing ability, a boom in the total or differential agreement of the inspiration device of structures consequently leading to failure of systems inflicting potential lack of property and existence [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Effect Of Phytoremediation On The Geotechnical Properties Of Heavy Metal Contaminated Soil

2023

Global NEST: The International Journal

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<p>The accumulation of heavy metals in soils increases rapidly due to various natural processes. Heavy metal pollution changes the geotechnical properties of soil and poses a serious threat to human health and ecosystems, so soil pollution remediation is particularly important. Phytoremediation is an environmentally friendly approach that can be used as a successful mitigation measure to restore heavy metal-contaminated soils cost-effectively. The plants extract and remove elemental contaminants or reduce their bioavailability in soil and improve the geotechnical properties. In this study, we are conducting a pot experiment with Amaranthus by adding Zn salt as a contaminant and determining the rate of removal of metal.</p>

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Effects of Elevated Concentrations of Co-Existing Heavy Metals and PAHs in Soil on Phytoremediation

Cited by 9 publications

References 29 publications

Assessment of the Environmental Impact of Solid Oil Materials Based on Pyrolysis Oil

Assessment of the Environmental Impact of Solid Oil Materials Based on Pyrolysis Oil

Phytoremediation by ornamental plants: a beautiful and ecological alternative

Effect Of Phytoremediation On The Geotechnical Properties Of Heavy Metal Contaminated Soil

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