>Chromite mining pollution, environmental impact, toxicity …
Environmental Monitoring and Assessment. Mine waste water at South Kaliapani usually contains toxic levels of hexavalent Cr(VI). The present in situ study was conducted at South Kaliapani chromite mine area in Orissa state, India, to assess the phytoremediation ability of three plants, namely, rice (Oryza sativa L.), paragrass (Brachiaria mutica), and an aquatic weed (Eichhornia …
>WORKING CHROMITE
CHROMITE: with things you should know1 Introduction Chromite is a mineral that contains the element chromium. The major use for mined chromite is the production of fer-rochrome, an iron-chromium alloy used to make stainless steel. Recently, chromite deposits have been identified in Northern Ontario, Canada. Located 500 km north-east of Thunder
>Case Study: Chromite mining and processing
Although humans are exposed to chromium through air, water, food or supplements containing chromium, the primary exposure source for the general population is food.8 Foods that contain …
>Chromium in Environment, Its Toxic Effect from Chromite-Mining …
The global demand for chromite, (Fe, Mg, Al)Cr 2 O 4, is driven by the need for ferrochrome to be used in wide applications for manufacturing different materials (Cramer et al. 2004).The chromite mining as well as the overall mining sector in South Africa has historically been a crucial factor in the economic growth and advancement of the country (Hamann 2004).
>Unsafe Chromium and its Environmental Health Effects of Orissa Chromite
Chromite mines generate considerable quantity of pollutants containing toxic hexavalent chromium, a known carcinogen, which contaminates 10 to 4000 mg/kg (ppm) of total chromium in air, water and soil environment. Surface water and ground water in Sukinda region contain hexavent chromium Cr(VI), well above the permissible limits of 0.05 mg/l (ppm).
>Occupational health assessment of chromite toxicity among …
This review article outlines the physical, chemical, biological and psychosocial occupational health hazards of chromite mining and associated metallurgical processes to monitor the mining …
>THE EFFECTS OF CHROME MINING ACTIVITIES ON THE …
THE EFFECTS OF CHROME MINING ACTIVITIES ON THE WATER QUALITY OF THE HEX RIVER IN THE RUSTENBURG AREA: CASE STUDY ON KROONDAL CHROME MINE by Alter Nyiko Mavunda Student No.: 705207 Research Report Submitted in Partial Fulfilment of the Requirements for the Degree of Master of Science in Environmental Sciences Date: May 2016
>Assessment of drinking water quality and identifying …
range of other adverse health effects [30–32]. Evaluating drinking water quality near mining operations is critical due to the risks posed by contamination from mining activities, bedrock ... This study aimed to conduct a comprehensive assessment of drinking water in a chromite mining region in Iran, focusing on identifying contaminants ...
>Chromium and its negative effects on the …
Chromium is mined in different countries around the world (such as South Africa, Zimbabwe, Finland, India, Kazakihstan and the Philippines) as the naturally occurring form, chromate ore (FeCr 2 O 4).Chromium is unstable …
>Unsafe Chromium and its Environmental Health Effects …
Chromite mining has vastly improved the economic status of several people in Orissa . ... Environmental Health Effects The water from chromite mines are invariably contaminated with hexavalent ...
>Potential Toxic Effects of Chromium, Chromite Mining …
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>Chromite mining
Domestic mining for chromite was restricted to a few locations in the United States, including Montana, California, and Oregon, and mining the mineral was only economically feasible during times of political conflict. During wartime, the United States government supported domestic production with price supports and strategic stockpiling ...
Cascading impacts of global metal mining on climate …
The elements of the vector Δ x r indicate the economic losses of each region enabled by the primary inputs of region r.The elements of the vector Δ E r represent the environmental or human health impact reduction enabled by the primary inputs of region r.. 2.3. Data sources. In this study, eight categories of metals (including copper, lead, nickel, zinc, iron, cobalt, lithium, and …
>Chromite
Chromite (Cr) occurs exclusively in mafic and ultramafic igneous rocks (Papp and Lipin, 2006).Although some Cr-based minerals such as crocoite (PbCrO 4), vauquelinite (Pb 2 Cu[CrO 4][PO 4]), uvarovite (Ca 3 Cr 2 [SiO 4] 3), and merumite (4(Cr,Al) 2 O 3 ·3H 2 O) are well known, chromite (FeCr 2 O 4) is the only one that is a commercially recoverable source of Cr …
>12. Small Scale Mining and the Environment in
DOI: 10.3362/9781780445489.012 Corpus ID: 132709997; 12. Small Scale Mining and the Environment in Zimbabwe: The Case of Alluvial Gold Panning and Chromite Mining @inproceedings{Maponga199712SS, title={12.
>Valorization From Waste: Combined Reduction of Chromite …
Chromite ore processing tailings and low-grade manganese ores are typically considered waste due to their limited or negligible utility, leading to environmental and storage concerns. Researchers globally have explored various methods to utilize or upgrade these wastes, particularly because dumping chromite ore has been linked to severe health issues …
>Chromium in Environment, Its Toxic Effect from …
Excessive amount of hazardous chromium (Cr) have been discharged from industrial and waste disposal sites (Xu et al., 2021). Metal processing, electroplating, metallurgy, textile coloring, paint ...
>Gaon Connection : India's Biggest Rural Media Platform
Over 98% of India's chromite reserve is found in the Sukinda region of Odisha where water, air and land is highly contaminated due to chromite mining and the local Adivasis suffer its impact. Despite large funds collected in the state under the District Mineral Foundation, money is being used to build an international hockey stadium and ...
>MiningWatch Canada Chromite Series Fact Sheet # 01
Soil, sediment, water, air and living things can all become contaminated with chromium as a result of mining and other industrial activities. Because there has never been a major chromite mine in North America, most of the concerns about chromium toxicity in Canada and the US (including the film Erin Brokovich) are not about chromite mining but
>REPORT ON ENVIRONMENTAL ISSUES OF CHROMITE …
2. ENVIRONMENTAL PROBLEMS OF CHROMITE MINING: Presence of Cr(VI) in mine drainage water: Opencast chromite mining generate huge volumes of seepage water. Eventhough chromium in chromite is in the trivalent state, some hexavalent Cr(VI) is always formed due to certain complex reactions. If Cr(VI) containing
>Chromite mining pollution, environmental impact, toxicity …
Chromite mining activities are indispensable for production of goods and services. Sukinda is a major mining site of Odisha, India, polluted by chromium, which is highly toxic in its hexavalent form.
>Chromium in Environment, Its Toxic Effect from Chromite-Mining …
Chromium has long been recognized as a toxic, mutagenic and carcinogenic metal. It is toxic to microorganism, plants, animals and humans. Chromium exists in environment in two stable forms: Cr(VI) and Cr(III). Cr(III) is less toxic and insoluble, while Cr(VI) is extremely toxic and highly soluble. Chromium is used in many industrial applications, but it poses a threat to …
Human exposure to chromite mining pollution, the
The presence of toxic metals in various environmental media including air, water, and soil, along with their chemical species such as hexavalent chromium, pose major health hazards for both directly exposed mining workers and the population residing near the mining …
>Mining activities influencing the nutritional status of soil and water …
Chromite mining dust and water spills containing poisonous hexavalent chromium produce the most unfavorable conditions in water bodies and soil, rendering them unsuitable for human and plant use. The current analysis was carried out adjacent to the Sukinda block of the Jajpur district demonstrating that the examined parameters are more or less ...
Chromium contamination and effect on environmental …
Chromium pollution is a significant environmental threat, severely impacting our environment and natural resources, especially water and soil. Excessive exposure could lead …
>Human exposure to chromite mining pollution, the toxicity …
A chromite mining study in Pakistan revealed that in the impact areas of chromite mining, the toxic metal concentration including Cr, Pb, Cd, and Ni in drinking water exceeded the permissible limits . The Cr(VI) pollution in both surface and ground waters as direct consequences of chromite mining activities have also been revealed in India .
>Chromium Pollution in European Water, Sources, Health Risk…
Schematic representation of the main sources of Cr (VI) in waters and groundwaters. According to the latest update of the European Pollutant Release register, a total of 512 facilities from EU countries are registered as they release chromium compounds into air and water [28,44].These facilities mainly belong to the energy sector, including thermal power stations and mineral oil …
>Chromite Mining in Sukinda Valley in Odisha
Extensive mining of chromite in the area since several areas poses serious threats to the environment through pollution of toxic hexavalent chromium in soil and water bodies.
>Chromite mining pollution, environmental impact, …
Chromite mining activities are indispensable for production of goods and services. Sukinda is a major mining site of Odisha, India, polluted by chromium, which is highly toxic in its hexavalent form. The Sukinda valley is a rich source of chromites, ... water, and soil. Heavy metals being persistent in the environment are
>Case Study: Chromite mining and processing
Case Study: Chromite mining and health concerns 5 Chromium mining and processing In nature, chromium is found as chromite ore, composed of elemental iron, oxygen and chromium (FeOCr 2 O 3). 1,2 heavily in about a 700 m vicinity around the Countries with commercially significant chromite mines include Russia, South Africa, Zimbabwe, Turkey, the
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