Bamboo – An untapped plant resource for the phytoremediation of heavy metal contaminated soils

Bian, Fangyuan; Zhong, Zheke; Zhang, Xiaoping; Yang, Cunjian; Gai, Xu

doi:10.1016/j.chemosphere.2019.125750

Cited by 127 publications

(42 citation statements)

References 63 publications

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“…Different plant species are known to absorb, detoxify and tolerate higher levels of heavy metal pollution [51,52]. Few tree species, including Mangifera indica L., Pongamia pinnata L. Pierre, Dalbergia sissoo Roxb and Holoptelea integrifolia L. are used to control air pollutants [53][54][55].…”

Section: Introductionmentioning

confidence: 99%

Heavy metal accumulation by roadside vegetation and implications for pollution control

Altaf

Altaf²,

Hussain

et al. 2021

PLoS ONE

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Vehicular emissions cause heavy metal pollution and exert negative impacts on environment and roadside vegetation. Wild plants growing along roadsides are capable of absorbing considerable amounts of heavy metals; thus, could be helpful in reducing heavy metal pollution. Therefore, current study inferred heavy metal absorbance capacity of some wild plant species growing along roadside. Four different wild plant species, i.e., Acacia nilotica L., Calotropis procera L., Ricinus communis L., and Ziziphus mauritiana L. were selected for the study. Leaf samples of these species were collected from four different sites, i.e., Control, New Lahore, Nawababad and Fatehabad. Leaf samples were analyzed to determine Pb2+, Zn2+, Ni2+, Mn2+ and Fe3+ accumulation. The A. nilotica, Z. mauritiana and C. procera accumulated significant amount of Pb at New Lahore site. Similarly, R. communis and A. nilotica accumulated higher amounts of Mn, Zn and Fe at Nawababad and New Lahore sites compared to the rest of the species. Nonetheless, Z. mauritiana accumulated higher amounts of Ni at all sites compared with the other species included in the study. Soil surface contributed towards the uptake of heavy metals in leaves; therefore, wild plant species should be grown near the roadsides to control heavy metals pollution. Results revealed that wild plants growing along roadsides accumulate significant amounts of heavy metals. Therefore, these species could be used to halt the vehicular pollution along roadsides and other polluted areas.

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Section: Introductionmentioning

confidence: 99%

Heavy metal accumulation by roadside vegetation and implications for pollution control

Altaf

Altaf²,

Hussain

et al. 2021

PLoS ONE

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“…PTEs contribute to changes in soil properties as well as negatively influence the development of plants and the biomass yield [ 42 ]. To overcome the negative effect of PTEs on plant growth, the use of suitable soil additives is important [ 43 ].…”

Section: Resultsmentioning

confidence: 99%

Nano Zero Valent Iron (nZVI) as an Amendment for Phytostabilization of Highly Multi-PTE Contaminated Soil

et al. 2021

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In recent years, a lot of attention has been given to searching for new additives which will effectively facilitate the process of immobilizing contaminants in the soil. This work considers the role of the enhanced nano zero valent iron (nZVI) strategy in the phytostabilization of soil contaminated with potentially toxic elements (PTEs). The experiment was carried out on soil that was highly contaminated with PTEs derived from areas in which metal waste had been stored for many years. The plants used comprised a mixture of grasses—Lolium perenne L. and Festuca rubra L. To determine the effect of the nZVI on the content of PTEs in soil and plants, the samples were analyzed using flame atomic absorption spectrometry (FAAS). The addition of nZVI significantly increased average plant biomass (38%), the contents of Cu (above 2-fold), Ni (44%), Cd (29%), Pb (68%), Zn (44%), and Cr (above 2-fold) in the roots as well as the soil pH. The addition of nZVI, on the other hand, was most effective in reducing the Zn content of soil when compared to the control series. Based on the investigations conducted, the application of nZVI to soil highly contaminated with PTEs is potentially beneficial for the restoration of polluted lands.

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“…Extensive mechanistic knowledge exists regarding the utilisation of specific HM phytoremediation combinations which includes the contaminated media type (e.g. soil or water), the contaminant in question (the toxic element) and an appropriate remediating plant species (Kumar et al 2018, Bian et al 2020. The appropriateness of remediating plant species has also been determined mechanistically and links directly to process of phytoremediation mentioned above.…”

Section: Soil Biologymentioning

confidence: 99%

Biochar remediation of soil: linking biochar production with function in heavy metal contaminated soils

Taraqqi-A-Kamal¹,

Atkinson²,

Khan³

et al. 2021

PLANT SOIL ENVIRON

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The focus of this study is on the soil physicochemical, biological, and microbiological processes altered by biochar application to heavy metal (HM) contaminated soils. The aim is to highlight agronomical and environmental issues by which the restorative capacity of biochar might be developed. Literature shows biochar can induce soil remediation, however, it is unclear how soil processes are linked mechanistically to biochar production and if these processes can be manipulated to enhance soil remediation. The literature often fails to contribute to an improved understanding of the mechanisms by which biochar alters soil function. It is clear that factors such as biochar feedstock, pyrolysis conditions, application rate, and soil type are determinants in biochar soil functionality. These factors are developed to enhance our insight into production routes and the benefits of biochar in HM soil remediation. Despite a large number of studies of biochar in soils, there is little understanding of long-term effects, this is particularly true with respect to the use and need for reapplication in soil remediation.

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Bamboo – An untapped plant resource for the phytoremediation of heavy metal contaminated soils

Cited by 127 publications

References 63 publications

Heavy metal accumulation by roadside vegetation and implications for pollution control

Heavy metal accumulation by roadside vegetation and implications for pollution control

Nano Zero Valent Iron (nZVI) as an Amendment for Phytostabilization of Highly Multi-PTE Contaminated Soil

Biochar remediation of soil: linking biochar production with function in heavy metal contaminated soils

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