
[ L'impact de la Serpentinisation sur les Gisements de Nickel, de Chromite et de Cobalt du district Minier De Bou Azzer, (Anti-Atlas Central) ] Volume 6, Issue 2, June 2014, Pages 110–132 ...
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Hence an attempt has been made in the present study to analyse the impact of chromite mining activities on agriculture in the Jajpur district, the premier chr omite-producing region of Odisha.
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Around 90% of mined chromite ore is converted into different grades of ferrochrome by the metallurgical industry. Stainless steel industry consumes about 80% of ferrochrome …
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PDF | On Jun 1, 2014, Mohamed Bhilisse and others published L'impact de la Serpentinisation sur les Gisements de Nickel, de Chromite et de Cobalt du district Minier De Bou Azzer, (Anti-Atlas ...
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Chromite ore is crucial for industries such as metallurgy, chemicals, and refractories, yet its environmental impacts, stemming from small-scale mining operations, remain …
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Extraction. Chromite ((ce{FeCr2O4})) is the most commercially useful ore, and is extensively used for extraction of chromium. Chromium is produced in two forms: Ferrochrome by the reduction of chromite with coke in an electric arc …
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L'impact de la Serpentinisation sur les Gisements de Nickel, de Chromite et de Cobalt du district Minier De Bou Azzer, (Anti-Atlas Central) ISSN : 2028-9324 Vol. 6 No. 2, June 2014 114 3 …
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The anticipated impact of this review is to influence the global and national chromite mining industry, instigating improvements in occupational settings, real-time pollution …
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relevant to potential impacts of chromite mining and ferrochrome production on terrestrial wildlife. Hexavalent chromium can negatively impact soil ecology in a variety of ways such as …
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Il inclut l'orpaillage, l'extraction artisanale de l'or alluvionnaire, qui est une activité de subsistance séculaire dans de nombreuses régions de la Grande Ile. Plusieurs tonnes d'or seraient encore …
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Nous démontrons également que tous les niveaux de chromitite du complexe du Bushveld ont acquis leurs teneurs en PGE essentiellement par la combinaison de la capture …
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Le rendement de la conversion de chromite en chromate par la calcination à la soude à 800 °C pour la chromite non activée était de 18% par rapport à 74% pour la chromite …
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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 …
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terms of its economic impact and the value to other industries of its product, it almost always has adverse environmental impacts and eventually health impacts [4]. Odisha occupies an …
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Iron chromite is the naturally occurring ore of chromium that is prized for its refractory abilities - making it invaluable in the modern foundry for the most demanding tasks at temperature. Not …
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Case Study: Chromite mining and health concerns 4 Human exposure Although humans are exposed to chromium through air, water, food or supplements containing chromium, the …
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IMPACTS SOCIO-ECONOMIQUES DE L'EXPLOITATION ARTISANALE DU SABLE SANAGA DANS LA LOCALITE DE NKOL'OSSANANGA (YAOUNDE, CAMEROUN) : VERS UNE EXPLOITATION SEMI-MECANISEE …
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L'exploitation minère est responsable de la … L'extraction minière provoque deux types d'impacts : Impacts directs, ciblés : la destruction des sols, la déforestation et la pollution des …
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Transnational corporations dominated chromite mining in Zimbabwe for the entire colonial period. However, the postcolonial period witnessed a gradual but significant shift toward small-scale …
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Bulletin De La Societe Geologique De France, 2022. Hexavalent chromium mobility in a high amorphous phase Chromite Ore Processing Residue (COPR) in the perspective of a chromium …
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PGM extraction, oxidized ore, flotation, leaching. Introduction Southern Africa, specifically South Africa and Zimbabwe, hosts the worlds' largest deposits of platinum group metals in the …
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The detailed study of chromite ore beneficiation processes reveals that the opportunities still exist to recover chromite values from the low/sub-grade ores and tailings …
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Effect assessment of chelators on bioaccessible and total chromium extraction in soils polluted by chromite processing wastes. Amparo Cortés *, Isabel ... that remains after decades in many …
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