HMA4 belongs to Zn/Pb/Cd/Co subclass of plant P1B-ATPases (Mills et al. 2003. In Arabidopsis thaliana, HMA4 together with its close homolog HMA2 is involved in Zn delivery to shoot tissues (Mills ...
Alleviation of heavy metal stress and enhanced plant complex functional restoration in abandoned Pb-Zn mining areas by the nurse plant Coriaria nepalensis. Front. Ecol. Evol., 10 (2022), p. 1006468, 10.3389/fevo.2022.1006468. View in Scopus Google Scholar. Yuan et al., 2020.
A greenhouse experiment was conducted to evaluate the effect of four different amendments, bone mill, bottom ash, furnace slag, and red mud, as immobilizing agents and the plant species Miscanthus sinensis and Pteridium aquilinum in aided phytostabilization of Pb/Zn mine tailings. The effects of ame …
Our study shows that several spontaneous and native plants growing on Pb/Zn contaminated sites have a good potential for developing heavy metals phytoremediation strategies. Screening of …
HMA4 was the first gene to be cloned and characterized in Zn/Cd/Co/Pb subclass, and played a key role in the system for maintaining stable Zn ion concentration (Mills et al., 2010). Small changes ...
The presented work offers an innovative process scheme for valorizing Pb-Zn slag, which involves crushing, grinding, and separation techniques to concentrate valuable components (non-ferrous metals). This methodology could have a significant impact on the global beneficiation of metallurgical slags since it is significantly more simple, …
of Pb & Zn Ore from the previous fiscal's levels of 52.56% and 87.36% respectively, the RAM team tried to identify issues that could be a barrier to increasing recovery. The team found the root cause to lie in: High pH of Ore to mill due to paste dilution Reduced susceptibility of reagents due to deterioration in water quality used in
Some plants demonstrate Cd, Pb, and Zn accumulation in tissues and organs, especially shoots, providing evidence of their suitability in cleaning contaminated soils (Berhongaray et al., 2015; Yan et al., 2020).Hence, plant-based remediation techniques: phytoextraction, phytostabilization, phytodegradation, and …
alba and potential impact of paper mill industry ... plant nutrition, and cation exchange ab- ... soil depend on the soil pH value. Elements such as Cd, Cr, Pb, Zn and Ni have maximum mobility in ...
The implications of specific rhizosphere microbes in reworking PTEs during phytoextraction by hyperaccumulators deserve critical attention. Knowledge of the intensity of accumulation of exaggerated content of As, Cd, Pb, and Zn by plant hyperaccumulators is essential in avoiding the detrimental effects on soils and living things.
Taking on the challenge of improving the annual recovery of Pb & Zn Ore from the previous fiscal's levels of 52.56% and 87.36% respectively, the RAM team tried to identify issues that could be a barrier to increasing recovery. The team found the root cause to lie in: High pH of Ore to mill due to paste dilution
Transition metals can pose a serious problem for plant growth; whereas some such as Cu, Zn, and Mn are essential micronutrients, others such as Cd and Pb can be toxic to most plants [1]. Indeed, even the essential micronutrients can have deleterious effects at elevated concentrations, due to their reactive nature [2] .
Cd, Pb, and Zn amounts where high for all plants in the industrial site. Acer negundo L. showed maximum Pb and Zn accumulation at the industrial site and Al ... rolling mill industry, foundry industry, traffic emissions, and urban wastes. The experimental areas are illustrated and photographed in
commercial Zn-Pb concentrates containing Zn+Pb > 50%. The final product requires a series of cleaning flotation trials according to an adequate beneficiation flowsheet. In the first case, the simplest beneficiation flowsheet, in which waste flotation was split into two stages covering the rougher and scavenger flotation of Zn-Pb is tested.
The leaching of Pb and Zn were found to fit well to shrinking core model with ash layer diffusion control. Activation energy values for Pb and Zn leaching were calculated to be 13.645 and 22.59 kJ ...
Lead and zinc uptake by water hyacinth (Eichhornia crassipes) was studied in the laboratory conditions to investigate a low cost natural aquatic treatment system for pollutant removal from pulp and paper industry effluent. Bioaccumulation of Pb and Zn by water hyacinth was found concentration and duration dependent. The plant possessed …
Rhus chinensis Mill is the pioneer plant for revegetation of the Pb-Zn mine wastelands in southern China (Zhou et al., 2016) because of its strong adaptability, rapid …
Concentrations of metals (Cd, Zn, Pb) were determined in organs of plants growing on 100-year-old calamine spoil (S Poland) and in a "clean" area (central Poland), and in the
The potential that P1B-ATPases give us in crop improvement is summarized, which opens new fields of investigation in biotechnology on the use of these transporters in phytoremediation and biofortification strategies. P1B-ATPases are cation transporters found in all organisms. In plants, they are found in almost all membranes including plasma …
1.. IntroductionThe accumulation of heavy metals in agricultural soils is of increasing concern because of food safety issues, potential health risks, and its detrimental effects on soil ecosystems (McLaughlin et al., 1999, Cui et al., 2004).Hg, Pb and Cd are of great concern because of their toxicity to human health and other organisms, whereas …
The Huize Pb Zn mine wastelands are currently undergoing colonization by plants from the surrounding natural substrate, creating patchy plant communities in …
Zn/Cd/Co/Pb P 1b-ATPases in Plants, Physiological Roles and Biological Interest 229. several sub-classes matching with different substrate specificity (Arg€uello et al. ... plays an essential role in plants (Mills et al. 2010). 230 N. Leonhardt et al. 2 Physiological Roles and Expression Profiles of Plant P
Phytoremediation of Pb, Zn, Fe, and Mg with 25 wetland plant species from a paper mill contaminated site in North East India Kisholay Mazumdar & Suchismita Das Received: 17 February 2014/Accepted: 23 July 2014/Published online: 9 August 2014 ... There is a paper mill (Cachar paper mill) situated in its vicinity. The mill has several outlets ...
As expected, foliar Pb and Zn concentrations were elevated in plants at the sites closest to the mill, i.e., 0.25 and 2.5 km from the mine facility. Copper and Fe, both essential nutrients for plants, were also elevated in foliage at the sites closest to the mill, but not to a level that would be of concern.
enzyme activities, and plant growth in Pb–Zn mine tailings. In this study, a pot experiment was conducted to evaluate the eects of biochar, compost, and their combination on the availability of heavy metals, physicochemical features, and enzyme activities in mining soil. Compared to separate addition, the combined application of …
P 1B-ATPases are cation transporters found in all organisms.In plants, they are found in almost all membranes including plasma membrane, internal chloroplastic membrane, thylakoids, post-Golgi and tonoplast, where they manage nutrient fluxes (Cu +, Zn 2+) as well as detoxification of toxic cations (Co 2+, Cd 2+, Pb 2+, high Zn 2+).All P …
Previous studies documenting plants capable of growing in Pb-Zn mine wastelands identified Rhus chinensis Mill (Anacardiaceae), a small deciduous tree, as one of the few woody plants that can grow in Pb-Zn polluted areas. Rhus chinensis Mill is the pioneer plant for revegetation of the Pb-Zn mine wastelands in southern China (Zhou et …
This study evaluated the effect of biochar and compost on physiochemical properties, heavy metal content, microbial biomass, enzyme activities, and plant growth in Pb–Zn mine tailings. In this study, a pot experiment was conducted to evaluate the effects of biochar, compost, and their combination on the availability of heavy metals, …
SOILS AROUND A Pb-Zn MINE BY CROP PLANTS',International Journal of Phytoremediation,11:4,360 — 384 ... in paper bags, air dried during 72 h, ground to fine po wder by a ball mill (Retsch MM200 ...
OMW: olive mill wastewater. 3.3. Distribution of As, Zn and Pb in Soil Fractions Distribution patterns of corresponding PTEs in different soil fractions are presented in Figure 3. The mean percentages of As, Zn, and Pb into the various soil fractions were in the order W1 < W2 < WRF ≤ W4 < W3, B3 < B1 < BRF < B2 and B1 < B3 < BRF < B2 ...