— The capability of native plant species grown in polluted post-mining soils to accumulate metals was evaluated in view of their possible suitability for phytoremediation. The study areas included two environmental liabilities in the Cajamarca region in the Peruvian Andes. The content of As, Ag, Cd, Cu, Pb, and Zn was determined in individual …
— The sludge was examined for and the total concentrations and different chemical fractions of Cd, Cr, Pb, Cu, Ni and Zn. The total metal concentrations of heavy metals in sludge varied greatly. The contents of Zn and Cu were the highest, followed by then Cr, Ni and Pb and the content of Cd was the least.
Abstract. At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated in space and time with several large epithermal polymetallic (Cu-Zn-Pb-Au-Ag) deposits of …
— Huludao Zinc Plant in Huludao City, China is the largest zinc smelting plant in Asia. ... Health risk of Hg, Pb, Cd, Zn, and Cu to the inhabitants around Huludao Zinc Plant in China via consumption of vegetables Sci Total Environ. 2007 Sep 20;383(1-3):81-9. doi: 10.1016/j.scitotenv.2007.05.002. Epub 2007 Jun 15. ...
— 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. …
DOI: 10.1016/S0098-8472(02)00002-3 Corpus ID: 83738999; Accumulation properties of As, Cd, Cu, Pb and Zn by four wetland plant species growing on submerged mine tailings @article{Stoltz2002AccumulationPO, title={Accumulation properties of As, Cd, Cu, Pb and Zn by four wetland plant species growing on submerged mine tailings}, author={Eva …
Mobile crusher (wheel type and crawler type) designed for unfixed quarrying, mining sites, highly customized with crusher, screen, feeder, conveyor, etc.
— The Crawler Mobile Gold Ore Crushing and Processing Plant is equipped with cutting-edge technology. Its mobility, thanks to its crawler tracks, allows it to be easily transported to various mining sites, reaching …
— 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 mobile crusher plant integrates material feeding, crushing, conveying and screening process. Through the optimization of the process flow, it has the excellent performance …
— The Tiemurt Pb-Zn-Cu deposit (metal reserve: 0.29 Mt (Pb + Zn) and 0.14 Mt Cu) is hosted in the Kangbutiebao Formation volcanic-sedimentary rocks in the Chinese Altay Orogen, NW China. ... China: a case study of orogenic-type Pb–Zn systems. Journal of Asian Earth Sciences (2012) J. Zhang et al. LA-ICP-MS trace element analysis of …
DOI: 10.1080/10934520801974459 Corpus ID: 9538740; Electrokinetic enhancement on phytoremediation in Zn, Pb, Cu and Cd contaminated soil using potato plants @article{Aboughalma2008ElectrokineticEO, title={Electrokinetic enhancement on phytoremediation in Zn, Pb, Cu and Cd contaminated soil using potato plants}, …
Xinhai mobile crushing and screening equipment consists of three types: semi-mobile, tire movable type and crawler type. The machines comes with the power source and is …
— 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.
— Accumulation of As, Ag, Cd, Cu, Pb, and Zn by Native Plants Growing in Soils Contaminated by Mining Environmental Liabilities in the Peruvian Andes January 2021 Plants 10(2):241
— Background, aim, and scope Heavy metal (HM) mobility in soil depends on the HM species in it. Therefore, knowledge of the HM speciation in soil allows the prediction of HM impact on the environment. HM speciation in soil depends on the metal chemical origin, soil texture, and other factors such as the origin and level of soil contamination. …
— A small volume (10 mL) of seawater sample was mixed with a multi-element isotope spike and subjected to seaFAST procedures. The preconcentrate solution was then analyzed using the optimized collision/reaction cell mode of ICP-MS, with NH3 gas for Fe and Cd with a flow rate of 0.22 mL/min and He for Ni, Cu, Zn and Pb with a flow rate of …
— They found that the accumulation of Zn, Cu, Cd, and Pb in the shoots of 14 plant species, including 5 grass species, remained below the Swiss tolerance values for fodder plants (40 mg kg −1 Pb ...
— The WHO estimates two billion people suffer from some form of Fe deficiency anemia, making Fe deficiency the leading human nutritional disorder in the world today [1].In addition, although Fe is the fourth most abundant element in the earth's crust, it is the third-most limiting nutrient for plant growth primarily due to the low solubility of Fe in …
The mobile crusher plant is highly flexible and can be easily relocated according to the production needs. It is suitable for crushing various types of rocks, minerals, ores, …
— The skarn type is a significant Cu–Pb–Zn mineralization worldwide (Meinert et al., 2005), and can be recognized in many metallogenic belts, including the East Kunlun and Gangdese Metallogenic Belts in Western China (Zhao et al., 2017).The timing of magmatic-hydrothermal activity is crucial for the formation of skarn mineralization.
— 1. Introduction. Contamination of soils with metals, including Cd, Pb and Zn, causes soil degradation, which is mostly originated from human activity, posing a threat to soil health and compromising its ability to perform its functions (Kumpiene et al., 2009; Pereira et al., 2018).Mining is one of the main sources of metal pollution for soils, …
— 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 …
DOI: 10.1016/J.SCITOTENV.2006.01.016 Corpus ID: 2878125; Accumulation of Pb, Cu, and Zn in native plants growing on a contaminated Florida site. @article{Yoon2006AccumulationOP, title={Accumulation of Pb, Cu, and Zn in native plants growing on a contaminated Florida site.}, author={Joonki Yoon and Xinde Cao and …
— The geological, magnetic and mineralogical studies have uncovered a polymetallic mineralization deposit at Amensif in the Amezmiz mining district (western High Atlas, Morocco).
— Samples of soil, water and plants were analysed for total Zn, Cu, Pb and Ni concentrations using flame atomic absorption spectrophotometry. The trace metal concentrations in soil were the highest ...
— According to BCF, TF, and BAC, these plant species could be used as effective plants for Pb phytoextraction. Stipa tenacissima and Artemisia herba-alba are better suited for phytostabilization of Cd/Cu and Cu/Zn, respectively. Our study shows that several spontaneous and native plants growing on Pb/Zn contaminated sites have a …
DOI: 10.1016/J.ENVINT.2003.10.012 Corpus ID: 39827893; Accumulation of Pb, Cd, Cu and Zn in plants and hyperaccumulator choice in Lanping lead-zinc mine area, China. @article{Zu2004AccumulationOP, title={Accumulation of Pb, Cd, Cu and Zn in plants and hyperaccumulator choice in Lanping lead-zinc mine area, China.}, author={Yan-qun Zu …
— Jarosite-type minerals are the major silver carriers in the gossan ores from Rio Tinto (Spain). Two types of minerals were found: one corresponding to beudantite variable enriched in sulfate; the ...
Although a great variation between plant species, critical leaf tissue concentrations affecting growth in most species being 200 to 300 μg Zn g−1 dry weight, 15 to 20 μg Cu g−1 and 8–12 μg Cd g−1. With our present knowledge it is difficult to propose a limit for toxic concentrations of Zn, Cu, Cd and Pb in soils.
— Zinc (Zn) is an essential micronutrient in all biological systems, where it is found in its oxidized form as a divalent cation (Zn 2+) (Andreini et al., 2006).Current estimates suggest that at least 6% of the prokaryotic proteome and 9% of the eukaryotic proteome utilize Zn, thus the second most abundant metal cofactor after Fe (Andreini et …
Mechanisms are required by all organisms to maintain the concentration of essential heavy metals (e.g. Zn and Cu) within physiological limits and to minimise the detrimental effects of non-essential heavy metals (e.g. Cd). Heavy-metal P-type ATPases (HMAs) are a subgroup of the P-type ATPase superfa …
Editors and Affiliations. Department Materials Engineering of KU Leuven, Belgium. Bart Blanpain (full professor, co-director for the I/UCRC 'Center for Resource Recovery and Recycling', co-editor-in-chief for the Journal of Sustainable Metallurgy) (full professor, co-director for the I/UCRC 'Center for Resource Recovery and Recycling', co-editor-in-chief …
— Copper (Cu) is an essential mineral nutrient for the proper growth and development of plants; it is involved in myriad morphological, physiological, and biochemical processes. Copper acts as a cofactor in various enzymes and performs essential roles in photosynthesis, respiration and the electron transport chain, and is a structural …
Load sensitive pump valve, can automatically adjust the output flow and pressure of hydraulic pump according to the actual load demand, energy saving and high efficiency. …
— Request PDF | Phytosiderophore-induced mobilization and uptake of Cd, Cu, Fe, Ni, Pb and Zn by wheat plants grown on metal-enriched soils | We investigated to which extent phytosiderophores (PS ...
— For example, 4 found that the formation of aggregates occurred around plant roots in OM-treated Cu-Pb-Zn tailings. Hence, the colonization of native grasses as pioneer plants would be a useful method to improve the aggregation of Cu/Pb-Zn tailings and the resultant physical structure (39; 64). Consequently, the effect of plant growth in the OM ...
— As a result, both OMs containing functional groups and pioneer plant culture were found to stimulate aggregation and the development of technosols in Cu/Pb-Zn tailings. X-ray diffraction spectra ...
