Case Study: Chromite mining and processing
Methods Standard reference textbooks were consulted1–4 as well as the scientific databases Scopus and PubMed through searches using the keywords ... 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
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Chromium Mining
Chromium mining involves both surface and underground techniques, depending on the depth and grade of the ore. Open-pit mining is common for shallow, large deposits, whereas deeper …
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(PDF) Environmental scenario of chromite ore …
The Sukinda chromite mine (SCM) area in Odisha, India has around 97% of country's total reserve 15 . In Sukinda, groundwater level is 8-11 m depth, and gets contaminated with Cr(VI) from chrome ...
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Chromium Mining | Processing Equipment | Flow Chart
The mining method used for extracting chromite depends greatly on the characteristics of the deposit. These characteristics include whether it is stratiform or podiform, high grade or low grade, subsurface or near surface, or massive or disseminated. Because surface mining typically is less expensive than underground mining, it is preferred ...
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Chromite Mining in Sukinda Valley in Odisha
These mines use the opencast mining methods for extraction of chromite ore. It is well known that opencast chromite mining generates huge volumes of seepage water. This water seeps into the ground ...
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Application of Satellite Remote Sensing, UAV-Geological …
The irregular and sporadic occurrence of chromite pods in podiform chromite deposits (PCD), especially in mountainous terranes with rough topography, necessitates finding innovative methods for reconnaissance and prospecting. This research combines several remote sensing methods to discriminate the highly serpentinized peridotites hosting chromite pods …
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Chrome ore beneficiation challenges & opportunities – A …
Research work of Tevfik Agacayk et al. on low grade chromite ores of abandoned mines in Turkey (average grade 20–40% Cr 2 O 3) shows that best grades for Cr 2 O 3 can be …
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Chromium (Cr) Ore | Minerals, Formation, Deposits …
Chromium ore mining and processing involve various methods, including open-pit mining, underground mining, beneficiation, smelting, and refining, which are influenced by the characteristics of the ore deposit, market …
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3-D modeling of rock burst in pillar No. 19 of Fetr6 chromite mine
Fetr6 is an underground mine in which chromite is extracted using stope and pillar mining method. Despite of all improving works such as roof supporting and replacing of ore pillars with concrete pillars, pillar No. 19 failed and other pillars failed progressively as a domino effect and 4000 m 2 of mine collapsed within a few minutes, consequently. . For detail …
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Mechanism of Cr (VI) reduction by an indigenous
Toxicological assessment of CMQW generated due to chromite mining activities at Sukinda Valley has revealed high chromium contamination along with Zn and Fe. The present study focused on the mechanism of chromate reduction by an indigenous multi-metal tolerant bacterium, Rhizobium pusense CR02, isolated from CMQW. The isolated strain has shown …
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Geotechnical Investigations
Global Journal of Earth Science and Engineering, 2017, 4, 27-35 27 Geotechnical Investigations- A Tool for Deciding Mining Method for Chromite Deposits in Odisha State, India A. Santharam1,* and Kandula Vishnu Vardhana Rao2 1 Regional Mining Geologist (Retd), Indian Bureau of Mines, India 2 Research Scholar, Department of Geology, Andhra ...
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Chromite: The only mineral ore of chromium metal
Stratiform, Podiform, and Beach Sands. Small amounts of chromite are found in many types of rock. However, chromite deposits that are large enough for mining are generally found in: 1) stratiform deposits (large masses of igneous rock such as norite or peridotite that slowly crystallized from subsurface magma); 2) podiform deposits (serpentines and other …
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3-D numerical modelling of Domino failure of hard rock
Fetr6 is an underground mine using the stope-and-pillar mining method. As there was some evidence regarding pillar failure in this mine, improving works su ... Shahriar, K., Maarefvand, P. et al. 3-D numerical modelling of Domino failure of hard rock pillars in Fetr6 Chromite Mine, Iran, and comparison with empirical methods. J. Cent. South ...
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Chrome ore beneficiation challenges & opportunities – A …
During mining and processing operations enormous quantities of fines are generated, which are of major concern from handling, storage and environmental point of view. ... Since most chromite ores are easily beneficiated with gravity concentration methods, flotation of chromite has not been widely applied or got commercial acceptance (Atalay and ...
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CHROMITE GEOLOGY OF ZIMBABWE AND RELATED …
underground mining is cost effective and practiced. •Dips have got an effect on the unit mining cost, mining method, UPD achieved, Mining depth and productivity. SEAM DIP •Seams 1-4 in different areas suffer from seam continuity as a result of seam blanking, faulting and replacement. •The seam mostly affected by seam low continuity is seam 1.
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Assessment of Zero Waste Approach by Enhancing …
In this present study, a techno-economic approach was employed to investigate the enhancement of the chromium-to-iron (Cr/Fe) ratio of chromite ore, utilizing magnetizing roasting via both conventional and microwave heating sources. The primary objective was to selectively remove iron (Fe) from chromite spinel, thereby increasing the magnetic susceptibility of iron …
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Chromite Beneficiation Process
Chromite Grinding. The 36″x 8′ Adjustable Stroke Ore Feeder is used to accurately control feed of crushed ore to the grinding section. Before it is fed to the 4'x 8′ Peripheral Discharge Rod Mill, the minus ¼" chrome ore is …
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Chromium
The mining method used for extracting chromite depends greatly on the characteristics of the deposit. These characteristics include whether it is stratiform or podiform, high grade or low grade, subsurface or near surface, or massive …
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Chromite | Ores, Mining, Processing | Britannica
chromite, relatively hard, metallic, black oxide mineral of chromium and iron (FeCr 2 O 4) that is the chief commercial source of chromium.It is the principal member of the spinel series of chromium oxides; the other naturally occurring member is magnesiochromite, oxide of magnesium and chromium (MgCr 2 O 4).Chromite is commonly found as brittle masses in peridotites, …
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Acid Mine Drainage Neutralization by Ultrabasic Rocks: A Chromite …
In the present work, the ultrabasic rocks of chromite mining were applied to acid mine drainage (AMD) neutralization. The aim was to increase the technological maturity of the method and promote circular economy principles and sustainability in the mining sector. Ultrabasic rocks were obtained from a chromite mining facility as reference material.
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Chromite ore beneficiation: prospects and challenges
Mining of chromite deposits is being carried out both by open-pit and underground mining. Early mining of chromite was on a small-scale and was relatively straightforward from outcrops or to shallow depths followed by hand sorting.
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Modernising chromite mining
Chromite mining has not been systematic but random and totally disorganised. It is mined by both open pit and underground methods. In Muslimbagh, Ras Koh Range and Wad areas, chromite is mostly ...
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Top 3 Chrome Ore Processing Methods that Get Higher …
For example, most of the chromite mines in the Philippines and Vietnam are chromite sand. After desliming by washing, the grade of chromite sand will rise greatly, and it will be further improved by jigs and shaking tables. 2. Concentration The predominant method to concentrate chromite stone is gravity separation. However, given the slightly ...
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An overview of chromite mining in Sukinda …
Sukinda Valley of Odisha is well-known for its all-embracing chromite ore deposits. The rate of chromite ore extraction, although mining is being carried out in this region since independence, has been amplified during 1980's in …
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A review of chromite mining in Sukinda Valley of India: …
The concentrations of heavy metals were determined using AAS (Systronics, model No. 816), chromium (Cr), iron (Fe), and manganese (Mn) were the most noticeable metal in SP1 (Chromite mining areas ...
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(PDF) Evaluation of Chromite Recovery from Shaking Table …
This study aimed to evaluate the chromite recovery from shaking table tail-ings of Forumad plant by a dry high-intensity magnetic separation. The average feed grade of chromium xide (Cr 2 O 3 ...
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Evaluation of Chromite Recovery from Shaking Table …
Battyet al. in 1947 produced a concentrate with 43.5% Cr 2 O 3 grade at a recovery of 77% [18], from Fairview chromite deposit with an average composition of 18.1% Cr 2 O 3, by jigging which is the most popular method for coarse or lump chromite ores, A. A. Seifelnasr in 2012 successfully used a shaking table to produce a concentrate from ...
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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).
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FUTURE OF CASCADE MINING METHOD IN JUNGLE LODE OF KATHPAL CHROMITE MINE
•10/13/2011 •2 Location The Kathpal Chromite Mine is situated in the south western part of Sukinda valley, Dhenkanal District, Orissa, India Kathpal Chromite mine is situated about 55 km from jajpur District •10/13/2011 •3 Present Status of Kathpal Chromite Mine Lease hold area - 113.312 hectare It has two lode- Jungle and Maheswar lode ...
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Geotechnical Investigations
The Chromite deposits of Sukinda valley, Odisha, India are of strategic importance for the development of ferro-alloy industries. Around 90% of the India's chromite ore production derived from ...
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