Remediation mechanism of Cu, Zn, As, Cd, and Pb …
Cu, Zn, Cd, and Pb ions could be directly adsorbed to the deprotonated functional group or complexed by substituting protons from the functional group (Lu et al., …
Accumulation of Pb, Cd, Cu and Zn in plants and
In this study, we investigated the concentrations and enrichment coefficient of Pb, Cd, Cu and Zn of 20 samples of 17 plant species in Lanping lead–zinc mine with the objective to (1) get better knowledge of the accumulating capacity of 20 samples of 17 plant species to Pb, Cd, Cu and Zn in such a environment condition, and (2) choose ...
Increased ability of transgenic plants expressing the
Increased ability of transgenic plants expressing the bacterial enzyme ACC deaminase to accumulate Cd, Co, Cu, Ni, Pb, and Zn J Biotechnol . 2000 Jul 28;81(1):45-53. doi: 10.1016/s0168-1656(00)00270-4.
Role of Pb-solubilizing and plant growth-promoting bacteria in Pb
Reduced plant growth caused by Pb stress is a restriction factor limiting Pb uptake by hyperaccumulator plants grown on contaminated lands. Moreover, the Pb solubility and hence bioavailability is usually low in contaminated alkaline soils, limiting the phytoextraction efficiency in these soils (Fig. 10.1).Therefore, any treatment enhancing …
Removal effects of different emergent-aquatic-plant groups on Cu, Zn
@article{Wang2021RemovalEO, title={Removal effects of different emergent-aquatic-plant groups on Cu, Zn, and Cd compound pollution from simulated swine wastewater.}, author={Wen Wang and Jianwei Cui and Jinfeng Li and JinMeng Du and Yajun Chang and Jianwei Cui and Xiaojing Liu and Xiang-yang Fan and Dongrui Yao}, journal={Journal of ...
Accumulation of Cr, Cd, Pb, Cu, and Zn by plants in tanning …
Unlike Cr, Cu, Cd, and Pb, the maximum Zn concentration was not found in plants at site HN-4 or HN-5, but in A. philoxeroides (365 mg kg −1) at site HN-3. Furthermore, Z. candida and C. dactylon at site HN-2 and even C. rotundus at Site HN-6 contained Zn concentrations greater than 200 mg kg −1, exceeding the highest Zn …
Analysis of the heavy metals (As, Pb, Cu, Zn) by leaching and
The municipal solid waste incineration (MSWI) fly ash has been a major problem with the rapid development of the cities in China. And the cement rotary kiln co-processing technique is accepted as an effective method to dispose detrimental heavy metals in MSWI fly ash. This study focused on presented the total leaching content and …
Levels of Cu, Zn, Pb, and Cd in the leaves of the tea plant
Quality control samples, made from standard solutions of Cd, Cu, Pb, and Zn, were analyzed in the entire ten samples to check for the metal recoveries. The …
Different effects and mechanisms of polystyrene micro- and …
Pb and Cd were selected because they are known to be toxic, while Cu and Zn are essential nutrient for plants (Abbasi et al., 2020). The metabolomic combined with rhizospheric soil microorganism analysis were adopted to expound the effects of MNPs on absorption and translocation of Cu, Zn, Pb and Cd by lettuces.
Accumulation of Cr, Cd, Pb, Cu, and Zn by plants in …
soil screening level based on ingestion (390 mg kg−1)set by US EPA (ICDA 2001), respectively. In addition, high concentrations of Pb, Cd, Cu, and Zn were also found in the tanning sludge storage sites (Table2). Meanwhile, met-al concentrations in the soil samples collected from differ-ent sites were highly correlated with Cr-Zn (r =0.671,
Screening of Native Plants Growing on a Pb/Zn Mining Area …
Screening of native plant species from mining sites can lead to identify suitable plants for phytoremediation approaches. In this study, we assayed heavy …
Accumulation of Cu, Cd, Pb, Zn and total P from synthetic
Abstract. The uptake and distribution of four heavy metals, including copper (Cu), cadmium (Cd), lead (Pb) and zinc (Zn), and those of total phosphorus (TP) in 30 plants in North China were investigated through pot trial experiments. Accumulation and distribution of heavy metals or TP were associated with plant species, tissues, metal elements ...
Accumulation of Cu, Zn, Pb, and Cd in edible parts of four commonly
Soil heavy metal pollution resulting from human activities is causing major concern due to its potential risk. In this study, four crop species with different cultivars were planted in 2 levels (heavily and slightly) of heavy metal contaminated soils, and the accumulation of Cu, Zn, Pb, and Cd in the edible parts of the crops were investigated.
Content, speciation and pollution assessment of Cu, Pb and Zn …
The PI for Cu, Pb and Zn varies from 1.1 to 1.4, 1.0 to 2.5 and 1.1 to 2.0, with means of 1.2, 1.4 and 1.4, respectively, indicating that Cu, Pb and Zn are all moderately polluted in the topsoil ...
(PDF) Levels of Cu, Zn, Pb, and Cd in the leaves of the tea plant
The concentrations of Cu, Zn, Cd, and Pb elements in the leaves and soil samples of the tea farms in North Iran were determined by using flame and graphite furnace atomic absorption spectrometry.
Accumulation properties of As, Cd, Cu, Pb and Zn by four wetland plant
Six plants of each species, except for Salix where four plants were used, were mounted in black styro plates and placed in 1 l plastic pots filled with 30% nutrient solution with or without the addition of heavy metals. In metal-treatment pots, the elements given were 0.12 μM Cd, 2.7 μM Cu, 19.8 μM Pb, 42.3 μM Zn and 6.37 μM As.
[Effect of rhizospheric environment of VA-mycorrhizal plants …
The distribution and dynamics of Cu, Zn, Pb and Cd forms in rhizosphere of maize inoculated with or without VA-mycorrhizal were analyzed with the technique of sequential extraction. Comparing with control soil, exchangeable Cu in rhizospheric soil increased significantly, and the exchangeable Cd trended down.
Screening and Evaluation of the Bioremediation Potential of Cu/Zn …
As expected, the presence of bacteria resulted in increased concentrations of water-extractable Cu, Zn, Pb, Cd, and Fe in autoclaved soil compared to axenic soil (Figure 2). These results suggest that the 10 Cu/Zn-resistant isolates had metal-solubilizing potential in heavy metal-polluted soil, thereby increasing metal bioavailability.
Accumulation of Sb, Pb, Cu, Zn and Cd by various plants …
The accumulation of Zn, Cu, Cd and Pb in the shoots of all nine plant species remained below the Swiss tolerance values for fodder plants (150 mg kg −1 Zn, 15–35 mg kg −1 Cu, 40 mg kg −1 Pb, and 1 mg kg −1 Cd DW), with the only exception of Pb in Chenopodium album shoots which reached a concentration of 62 mg kg −1 DW. …
Accumulation of Cr, Cd, Pb, Cu, and Zn by plants in …
Tanning sludge storage sites harbor extremely high levels of Cr (up to 36,871 mg kg−1) and other metals (e.g., Cu, Zn, Pb, and Cd); however, some plants have adapted over time to …
Perspectives for phytoremediation capability of native plants …
Bioconcentration factors show that the two common wetland plants, Phragmites australis and Typha latifolia, exhibited obvious differences in enrichment performance of heavy metals, with the orders of Zn > Cr > Cd > Cu > Pb > As and Cd > Zn > Cr > Cu > As > Pb, respectively. The translocation factors of the two kinds of plants …
Screening of native plants from wasteland surrounding a Zn …
Screening of native plants from wasteland surrounding a Zn smelter in Feng County China, for phytoremediation. Author links open overlay panel Ran Xiao 1, Feng Shen 1, Juan Du, Ronghua Li, Altaf Hussain Lahori, Zengqiang Zhang. ... Cu, Pb, and Zn contents in the aerial parts of plants ranged from 5.57 to 268.5, 14.34 to 140.90, …
Uptake and distribution of Zn, Cu, Cd, and Pb in an aquatic plant …
The Zn, Cu, Cd, and Pb concentrations accumulated in plants was high, in the same way as other aquatic species suggested for heavy metal removal (Miretzky et al., 2004, Gardea-Torresday et al., 2005).The investigation found that all plant parts took up all four metals (Table 1).This corroborates earlier findings that Zn, Cu, Cd, and Pb are …
Potential hyperaccumulation of Pb, Zn, Cu and Cd in endurant plants …
The absorption and accumulation of Pb, Zn, Cu and Cd in some endurant weed plant species that survived in an old smeltery in Liaoning, China, were systematically investigated. Potential hyperaccumulative characteristics of these species were also discussed. The results showed that metal accumulation in plants differed with species, …
Accumulation of Pb, Cd, Cu and Zn in plants and …
Semantic Scholar extracted view of "Accumulation of Pb, Cd, Cu and Zn in plants and hyperaccumulator choice in Lanping lead-zinc mine area, China." by Y. Zu et al. ... a strategy should be considered that combines rapid screening of plant species possessing the ability to tolerate and accumulate heavy metals with agronomic practices …
Content, speciation and pollution assessment of Cu, Pb and Zn …
The concentration and speciation of Cu, Pb and Zn in soil samples collected around the lead–zinc smelting plant of Baoji, NW China, were determined using X-ray fluorescence spectrometry and the modified European Community Bureau of Reference sequential extraction procedure. The single pollution index (PI) and the integrated …
The distribution characteristics of Cu, Zn, Pb and N, P, K in …
The distribution characteristics of Cu, Zn, Pb and N, P, K in several plants on coast of Quanzhou Bay[J]. Chinese Journal of Eco-Agriculture, 2008, 16(3): 630-634. DOI: 10.3724/SP.J.1011.2008.00630 Citation: The distribution characteristics of Cu, Zn, Pb and N, P, K in several plants on coast of Quanzhou Bay[J]. ...
Accumulation of Pb, Cu, and Zn in native plants growing
A block design was adopted, with 6 types of soil occupation and with 5 replications in plots of 100 m² each. ... Screening of Native Plants Growing on a Pb/Zn Mining Area in Eastern Morocco ...
Screening of Native Plants Growing on a Pb/Zn Mining …
Key takeaway: 'Native plants growing on Pb/Zn contaminated sites in eastern Morocco show potential for developing effective phytoremediation strategies, particularly for Pb phytoextraction and Cd/Cu phytostabilization.'
Effective procedures for the determination of As, Cd, Cu
The experiment followed a completely randomized factorial design with 100 nM EBR and Zn supplies (0.006, 3, and 1500 mM Zn, described as low, control, and high supply of Zn).