Lead and Zinc Uptake and Toxicity in Maize and …
Abstract. Soil contamination with heavy metals is a global problem, and these metals can reach the food chain through uptake by plants, endangering human health. Among the metal pollutants in soils, …
Toxics | Free Full-Text | Leaching Behavior of As and Pb in Lead–Zinc
At present, the pollution of arsenic (As) and lead (Pb) is becoming increasingly serious. The pollution caused by the release of As and Pb from lead–zinc mines has seriously affected the water and soil environment and threatened human health. It is necessary to reveal the release characteristics of As and Pb. The actual scene of …
Uptake of cadmium, zinc, lead, and copper by earthworms near a zinc
@article{osti_5402707, title = {Uptake of cadmium, zinc, lead, and copper by earthworms near a zinc-smelting complex: influence of soil pH and organic matter}, author = {Ma, W and Edelman, T and van Beersum, I and Jans, T}, abstractNote = {Soil samples were taken from 31 sites near Eindhoven, The Netherlands, mainly along transects of 1 to 15 km …
Ecological risk, source apportionment, and …
Thus, we examined a typical lead-zinc mining watershed as the research subject to comprehensively analyze the sources of HMs in the soil, the influencing …
Lead and Zinc Smelting
lead, zinc, or both is fed, in some cases after sin-tering, into a primary smelter. Lead concentra-tions can be 50–70%, and the sulfur content of sulfidic ores is in the range of 15–20%. Zinc con-centration is in the range of 40–60%, with sulfur content in sulfidic ores in the range of 26–34%. Ores with a mixture of lead and zinc ...
Soil Organic Matter Quality and Zinc and Lead Sorption as …
Sewage sludge (SS) or sewage sludge compost (SSC) were applied to soil under controlled conditions, at rates of 0 or 200 Mg ha−1, to investigate changes in dissolved organic matter (DOM), humic acids (HA), and Pb and Zn sorption in the soil. Infrared spectroscopy, visible spectrophotometry, and sorption isotherms (mono-metal and competitive sorption …
Lead
A dull, silvery-grey metal. It is soft and easily worked into sheets. This easily worked and corrosion-resistant metal has been used for pipes, pewter and paint since Roman times. It has also been used in lead glazes for pottery and, in this century, insecticides, hair dyes and as an anti-knocking additive for petrol.
A critical review on the migration and transformation …
Abstract. The health risks of lead-zinc (Pb–Zn) tailings from heavy metal (HMs) contamination have been gaining increasing public concern. The dispersal of HMs from tailings poses a substantial threat to ecosystems.
Age and Origin of the Well-Preserved Organic Matter in …
The molecular and petrographic characteristics of organic matter in internal sediments from the Mississippi Valley-type lead-zinc deposits in southern Poland reveal …
Determination of barium, chromium, cadmium, manganese, lead and zinc …
Determination of barium, chromium, cadmium, manganese, lead and zinc in atmospheric particulate matter by inductively coupled plasma atomic emission spectrometry (ICP-AES)
The Source of Organic Matter and Its Role in Producing
Therefore, at present, a common phenomenon is that many lead-zinc deposits in the world are closely paragenetic or spatially associated with oil and gas reservoirs (Kesler et al., 1994;Lin, 1995 ...
The Source of Organic Matter and Its Role in
The Source of Organic Matter and Its Role in Producing Reduced Sulfur for the Giant Sediment-Hosted Jinding Zinc-Lead Deposit, Lanping Basin, Yunnan, Southwest China ... The organic matter in the Jinding deposit occurs mainly as petroleum filling fractures and cavities in the wall rocks and solid bitumen intergrown with sulfides or …
Controlling fine particles in flue gas from lead-zinc smelting …
In this study, the characteristics of fine particulate matter in lead-zinc smelting flue gas were analyzed, and the effects of input voltage, filtration wind speed, dust concentration, and pulse dust blowing period on the dust removal efficiency of the integrated unit were studied. For the fine particulate matter, PM3.3 is selected to consider ...
WORLD LEAD FACTBOOK 2023
lead and zinc through the monthly publication of high-quality statistics, in-depth market research and specifically targeted economic studies. The Group also organizes international sessions and special conferences bringing together industry and governments to discuss matters of concern in the lead and zinc sectors.
Combined cadmium-zinc interactions alter manganese, lead …
The manganese, lead, copper, cadmium and zinc concentrations were measured by FAAS or graphite furnace atomic absorption spectrometry (GFAAS) with the Scientific Equipment GBC 932 plus and GBC ...
Effects of Soil, Water and Air Pollution with Heavy Metal
The amount of pollution generated by mining activities can be seen in Table 1, which summarizes the data from various studies on the concentration of lead and zinc in the soil around different mining sites.The table provides information on the levels of lead and zinc pollution, health and environmental impacts, and economic consequences …
Effects of Soil, Water and Air Pollution with Heavy …
The repercussions of lead and zinc contamination extend across various domains, including soil pollution and degradation, water pollution with consequential …
Effects of Cadmium, Lead, and Zinc on Size of Microbial …
A laboratory incubation experiment was conducted to study the influence of cadmium (Cd), lead (Pb)and zinc (Zn) on the size of the microbial biomass in red soil. All the three metals were applied, separately,at five different levels that were: Cd at 5, 15, 30, 60 and 100 μg g-1; Pb at 100, 200, 300, 450 and 600 μg g-1 and Zn at 50, 100, 150, 200 and 250 μg g-1 soil.
Preparation of phosphorus-modified biochar for the …
K 2 HPO 4-modified biochar (PBC) was produced and used in a 90-days immobilization experiment with soil collected from a typic lead-zinc (Pb–Zn) mining soil. Incubation experiments showed that PBC enhanced the transformation of Cd, Pb, Zn and Cu from exchangeable (Ex-) and/or carbonate-bound forms (Car-) to organic matter …
The Relationship between Oil-gas Organic Matter and MVT …
There is a close relationship between mineralization of the Chipu MVT deposit an d oil-gas reservoirs. Through a systematic study of sulfur isotope of sulfides and carbon and oxygen isotopes of hydrothermal carbonates, combined with organic geochemical characteristics of bitumen, the authors suggest a possible lead-zinc mineralization …
Lead and Zinc Uptake and Toxicity in Maize and …
Among heavy metals, zinc (Zn) and lead (Pb) are common soil co-pollutants from anthropogenic activities, such as severe soil degradation, automobile emissions, …
Atmospheric deposition of arsenic, cadmium, copper, lead, and zinc …
Particulate matter may be atmospherically resuspended or weathered, sorbed onto soil particles, partly dissolved with soluble ions precipitated as mineral phases, ... Impacts of lead/zinc mining and smelting on the environment and human health in China. Environmental Monitoring and Assessment, 184, 2261–2273. 10.1007/s10661-011-2115-6 ...
Size distribution and source of heavy metals in particulate matter on
In order to understand the size distribution and the main kind of heavy metals in particulate matter on the lead and zinc smelting affected area, particulate matter (PM) and the source samples were collected in Zhuzhou, Hunan Province from December 2011 to January 2012 and the results were discussed and interpreted.
The Source of Organic Matter and Its Role in
The Source of Organic Matter and Its Role in Producing Reduced Sulfur for the Giant Sediment-Hosted Jinding Zinc-Lead Deposit, Lanping Basin, Yunnan, …
(PDF) Sediment-Hosted Zinc-Lead Mineralization …
The principal geologic and geochemical characteristics of the main classes of sediment-hosted zinc-lead (-silver-barite) deposits (SEDEX, Mississippi Valley-type, and Irish-type) are summarized ...
Lead and the domino effect with zinc production and …
Only a small amount of new lead is required to compensate for the losses during its use. Within EU, the total consumption of lead for Zinc production is about 6,000 tonnes/year. Lead anodes are essential to create zinc. Zinc is essential to protect steel against corrosion, which is key element for solar panels and wind turbines.
Driving factors on accumulation of cadmium, lead, copper, zinc …
Since 2015, reasonably increasing the application of straw has been encouraged to increase organic matter in agricultural soils and reduce the application amounts of chemical fertilizer.
Changes in lead, zinc, copper, dry weight, and organic matter …
Abstract. Lead, zinc, copper, dry weight, and organic matter content of the L, F, and H layers of the forest floor were measured in 10 white pine stands in central Massachusetts in 1962 and again in 1978, thus providing quantitative estimates of these parameters at two points in time 16 years apart.
Lead and Zinc Uptake and Toxicity in Maize and Their …
Soil contamination with heavy metals is a global problem, and these metals can reach the food chain through uptake by plants, endangering human health. Among the metal pollutants in soils, zinc (Zn) and lead (Pb) are common co-pollutants from anthropogenic activities. Thus, we sought to define the accumulation of Zn and Pb in …
Zinc
A shortage of zinc in the diet can lead to delayed healing, skin irritation and loss of the sense of taste, and encourages many chronic illnesses. With zinc also appearing in anti-dandruff shampoos in the form of zinc pyrithione and in underarm deodorants as zinc chloride, this is an element that even makes us more attractive to the opposite ...
