Biogeochemical behavior and pollution control of arsenic in …
Mining activity is one of the major factors leading to arsenic pollution. Arsenic is the 20th most abundant element in the earth's crust, and most of the As …
Mining Operate Arsenic Plant
ASARCO's History
1980's-1990's The EPA launches the "Tacoma Process" in which the Ruston community is asked to participate in establishing local exposure levels for arsenic. Under pressure from government agencies, including the EPA, ASARCO begins closing aging plants, including the Ruston/Tacoma smelter and its cadmium plant in Globeville, …
[PDF] ANALYSIS OF GENETIC SIMILARITY OF LIMNOCHARIS …
This study aimed to determine the concentration of arsenic in the aquatic plant Limnocharis flava as well as this plant's genetic variability. Sediment and L. flava samples were collected from three studied sites at the edge of a stream near a gold mine. The arsenic concentrations in sediment and L. flava samples were analyzed using induction …
Antimony (Sb) and arsenic (As) in Sb mining impacted …
Foods produced on soils impacted by antimony (Sb) mining activities are a potential health risk due to plant uptake of the contaminant metalloids (Sb) and arsenic (As). Here we report for the first time the chemical speciation of Sb in soil and porewater of flooded paddy soil, impacted by active Sb …
Mining Reverse Osmosis System, Seawater Desalination Plant and Arsenic
Mining Reverse Osmosis System. Using reverse osmosis in the mining industry is an effective way to treat water. The system uses a high-pressure pump to force water through a semipermeable membrane.
The Role of Arsenic in the Mining Industry
Arsenic in the mining industry . Atmospheric arsenic emissions from copper smelting represent the largest contribution of arsenic from the mining and metals industry by far …
Soil-to-plant transfer of arsenic and phosphorus along a …
Arsenic (As) is one of the most concerning hazardous elements entering the environment with or from mine tailings; the non-essential and carcinogenic metalloid is frequently elevated in mining-impacted riverine floodplain soils, as reported e.g. by Marron (1992), Hudson-Edwards et al. (2003), Tighe et al. (2005), and Jordanova et al. (2013).
Contamination and health risks brought by arsenic, lead and …
Contamination and health risks brought by arsenic, lead and cadmium in a water-soil-plant system nearby a non-ferrous metal mining area Ecotoxicol Environ Saf . 2024 Jan 15:270:115873. doi: 10.1016/j.ecoenv.2023.115873.
Contamination and health risks brought by arsenic, lead and …
DOI: 10.1016/j.ecoenv.2023.115873 Corpus ID: 266571370; Contamination and health risks brought by arsenic, lead and cadmium in a water-soil-plant system nearby a non-ferrous metal mining area.
Minera Los Pelambres
The plant is expected to serve as a back-up water supply source and also help in further growth phase. Expansion work will also include the construction of an additional semi-autogenous (SAG) mill, ball mill, and a corresponding flotation circuit with 24 additional cells. ... The mine is an open-pit sized 2.5km x 2.2km at the surface, which is ...
Arsenic contamination at the Mole River Mine, northern
Mining and processing of arsenopyrite ore at the Mole River mine in the 1920–1930s resulted in abandoned mine workings, waste dumps and an arsenic oxide treatment plant.
Arsenic Hazards to Humans, Plants, and Animals from Gold Mining …
Arsenic concentrations near gold mining operations are elevated in abiotic materials and biota: maximum total arsenic concentrations measured were 560 μg/L in surface waters, 5.16 mg/L in sediment pore waters, 5.6 mg/kg DW in liver, 27 mg/kg DW in terrestrial grasses, 50 mg/kg DW in soils, 79 mg/kg DW in aquatic plants, 103 …
Arsenic: Will it take the shine off the red metal?
Arsenic is a poisonous element found within minerals at many of the world's copper mines. As a consequence of sulphide ore processing, arsenic is concentrated along with …
Evaluation of arsenic in soils and plant uptake using various …
Introduction. Arsenic, one of the most pollutant of toxins, is broadly distributed in nature. Background concentrations vary between 0.5 mg kg − 1 and 80 mg kg − 1 (average 10 mg kg − 1) in soils (Kabata-Pendias and Mukherjee, 2007), although higher concentrations are frequently found in soils and sediments that have been affected by …
Remediation Opportunities for Arsenic-Contaminated Gold …
Arsenic (As)-contaminated gold mine waste is a global problem and poses a significant risk to the ecosystem and community (e.g., carcinogenic, toxicity). Arsenic …
The Role of Arsenic in the Mining Industry
Arsenic in the mining industry. Atmospheric arsenic emissions from copper smelting represent the largest contribution of arsenic from the mining and metals industry and …
Plant Responses to Arsenic Toxicity: Morphology and Physiology …
Arsenic (As) is one of the nonessential metalloids that poses a serious threat to all living beings including plants and animals (Zhao et al. 2009; Chandrakar et al. 2016a).It is the 20th most abundant ubiquitous element found naturally in the Earth crust (Chandrakar et al. 2016b; Farooq et al. 2016a).The permissible limit of As in …
Consequences of Arsenic Contamination on Plants and …
Plants can also be affected by As through stunted roots, withered leaves, reductions in photosynthetic pigment, yellowing of leaves, and reduced chlorophyll (Chl), thus affecting plant metabolism [31,32]. Arsenic levels are typically modest in plants growing in natural soil (3.6 mg kg −1) . Most plants are harmed by As at greater …
Arsenic distribution in soils and plants of an arsenic …
Plant sampling was carried out at the same mentioned distances from the polluting sources. Plant collection involved the roots and the aerial parts of the characteristic perennial (either woody or herbaceous) plants growing in the studied mining area. Also the few representative annual species were collected.
Assessment of arsenic and toxic metal contamination in …
Centuries of gold-arsenic ore mining activities in Czarnów village within the Evelinens glück mine (SW Poland) have left an enduring impact on the local environment, characterized by distinct geochemical anomalies and contamination in water and plants. We have comprehensively investigated the spatial distribution of arsenic and metals in …
Arsenic Toxicity: The Effects on Plant Metabolism
Introduction. The element arsenic (As) is an environmental toxin that is found naturally in all soils (Cullen and Reimer, 1989; Smedley and Kinniburgh, 2002).The main environmental exposure to As for humans is through contaminated drinking water, for example on the Indian sub-continent (Nordstrom, 2002).Arsenic becomes part of the …
Effects of arbuscular mycorrhizal fungi on the reduction of arsenic …
1 Introduction. Arsenic (As) contamination in agricultural soils is a common environmental issue that poses remarkable risks to human health and ecosystem sustainability (Wan et al., 2024).As a toxic metalloid, As can naturally occur in soils or be introduced through various human activities such as mining, industrial processes, and …
Antimony and Arsenic Uptake by Plants in an Abandoned Mining …
The degree of antimony (Sb) and arsenic (As) pollution and their bioavailability in mining‐affected grassland soils were determined. Antimony and As concentrations in aboveground parts of plants, collected in three consecutive years, were measured to investigate their uptake capacity, food chain contamination, and ecological …
Arsenic in Plants | Wiley Online Books
Arsenic in Plants. Comprehensive resource detailing the chemistry, toxicity and impact of arsenic in plants, and solutions to the problem. Arsenic in Plants: Uptake, Consequences and Remediation Techniques provides comprehensive coverage of the subject, detailing arsenic in our environment, the usage of arsenicals in crop fields, …
Dealing with elemental toxicities in crops: hot topics and …
Background The widespread presence of arsenic (As) and cadmium (Cd) in agricultural soils coupled with a problem of Al phytotoxicity threatens sustainability of agricultural production system as well as natural ecosystems. Scope Understanding the role of membrane transporters responsible for uptake, translocation, and sequestration of …
Scientists are mining metals from an unusual source — plants
Producing metal by growing plants, or phytomining, has long been tipped as an alternative, environmentally-sustainable way to reshape – if not replace – the mining industry. Of 320,000 ...
Arsenic Uptake and Bioaccumulation in Plants: A Review
The non-essentiality and plant toxicity of arsenic are widely established. The deleterious effects of too much arsenic on plant development and crop productivity have prompted plants to develop a number of defence mechanisms to reduce its toxicity (Verbruggen et al. 2009).In order to relieve arsenic stress in plants, the concentration …
Pollution by arsenic in a gold-mining district in Nova Scotia
Environmental Pollution (Series B) 4 (1982) 109-117 POLLUTION BY ARSENIC IN A GOLD-MINING DISTRICT IN NOVA SCOTIA R. R. BROOKS,* J. E. FERGUSSON, J. HOLZBECHER, D. E. RYAN (~; H. F. ZHANG Trace Analysis Research Centre, Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada & …
Arsenic in Mining Areas: Environmental Contamination Routes
The aim of this work is to evaluate the routes and effects of arsenic contamination in environmental compartments (air, water, and soil) and environmental …
Native Plants for Revegetation of Mercury- and Arsenic …
Highly contaminated exposed legacy gold mine tailings from the late 1800s are present in many locations throughout North America and other parts of the world that experienced gold rushes at that time. Those tailing fields can pose risks to human health and the environment. Revegetation of tailing fields can reduce dust generation and other …
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