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Valorization From Waste: Combined Reduction of Chromite Ore …
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 …
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A review of chromite mining in Sukinda Valley of India: impact and
Sukinda Valley, one of the highly polluted areas of the world is generating tons of mining waste and causing serious health and environmental issues in its surroundings. Several reports are …
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Production of chromite ore from Odisha …
The disposal of this waste increases the metal concentration beyond the permissible limit ... India. The sustainable chromite mining in the valley is a major issue so far as the concentration of ...
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Fresh and Aged Chromite Ore Processing Residues (COPR
Chromite ore processing residue (COPR) is a hazardous waste retaining relic Cr(VI). Large amounts are generated during the high-lime production of leather tanning salts in the region of Kanpur, India. Here, COPR is often deposited on open and uncontrolled landfills, leading to severe groundwater contamination. This study aimed at elucidating how ageing …
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A review of chromite mining in Sukinda Valley of India: impact and
Sukinda Valley, one of the highly polluted areas of the world is generating tons of mining waste and causing serious health and environmental issues in its surroundings. Several reports are available reporting the severity of hexavalent chromium, yet ... A review of chromite mining in Sukinda Valley of India: impact and potential remediation ...
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Chromium contamination and effect on environmental health and …
Around 90% of India's chromite resource reserves are concentrated in the Sukinda Valley of Anka chromite, applying magnetic separation. ... It produces a considerable amount of mining waste and creates severe health problems and many environmental issues in its surroundings (Yadav et al., 2018). Intensive, open-cast chromite mining has degraded ...
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(PDF) Impact assessment of chromite mining on groundwater …
The Sukinda valley in Jajpur District, Orissa, is known for its deposit of chromites ore producing nearly 8% of chromite ore in India [18]. There are number of open cast mines in the area. During the process of mining the waste rock materials as well as …
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Odisha's story about pollution, mining and the environment
The valley in Odisha's Jajpur district has around 97% of the country's reserves of chromite ore, a vital component in the production of stainless steel, leather and alloys.
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Chromite mining pollution, environmental impact, toxicity and
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.
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Impact assessment of chromite mining on groundwater through …
The Sukinda valley in Jajpur District, Orissa, is known for its deposit of chromites ore producing nearly 8% of chromite ore in India [18]. There are number of open cast mines in the area. During the process of mining the waste rock materials as well as chromite ores are dumped on ground surface.
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Report on environmental issues of chromite mining in Sukinda valley
Presently there are 14 chromite mines operating in Sukinda. Out of these, one mine, Mahagiri Chromite Mines (IMFA) has started its operation of mining lumpy chromite, recently at the foot hills of the Mahagiri hill range. So far no mine drainage water has been generated. The following report pertains to the impacts of the remaining 13 mines.
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Eco-toxicity of hexavalent chromium and its adverse impact on
Around 1.8 lakh mining workers and nearby village dwellers are getting affected due to the presence of the forbidden amount of chromium ions. The foremost roots of exposure by …
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Extraction of nickel by microbial reduction of lateritic chromite
Being a mineral rich country, India has generated around 1840 million tonnes of mining waste in year 2005–06 alone (Sahu and Dash, 2011). Sukinda valley in the state of Odisha is one of the major chromite reservoirs of the world and is the only known deposit of nickel in India ( Murthy et al., 2010 ).
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Geology, Mining and Environment with an Overview of …
Sukinda chromite valley of Odisha is the largest chromite deposit (193million tons of total reserve)[3] in India and contributes 98% [4] of the country's chromite …
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Chromite ore beneficiation: prospects and challenges
Chromite underground mines in India are confined to Byrapur in Karnataka and Boula & Kathpal mines in Odisha (Table 3.5). Table 3.5. Underground mining of India. ... Mining waste includes topsoil, overburden, waste rock, and fine tailings/slimes in processed water and metallurgical waste such as flue dust, leach residues, precipitates, etc. and ...
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Geology, Mining and Environment with an Overview of …
Sukinda chromite mines located in Jajpur district of Odisha, India is one among those which has a high contribution towards economic growth for India but unfortunately suffers from above critical ...
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Underground Mine Backfilling Transition in Sukinda, Odisha
Exploration data reveals plenty of chromite deposit at higher depths below the open cast mines. It is essential to extract chromite through underground mining method. There are several methods of underground mining being practiced globally. The open stoping mining method is generally used in sublevel, long hole or blast hole stoping.
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Geology, Mining and Environment with an Overview of Sukinda Chromite Mines
Sukinda chromite mines located in Jajpur district of Odisha, India is one among those which has a high contribution towards economic growth for India but unfortunately suffers from above critical ...
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Mining | FACOR (Ferro Alloys Corporation Ltd.)
Sukinda Chromite valley has 93% of total resources in India and currently ore production of India is coming from this Sukinda valley. ... efficient and proper transportation and handling of hazardous waste from the mines. All mining activities and pollution prevention mitigation measures undertaken as per the stipulated guidelines of ...
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A review of chromite mining in Sukinda Valley of India: impact and
Sukinda chromite mine valley is the largest chromite producer in India; almost 99% of the country's chromium is produced from this valley.
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(PDF) Study Of Flora And Soil Quality Of Selected Chromite Mining …
All the study sites are in Sukinda chromite mining region and belong to two mining companies Viz. Tata steel mines and Saruabil mines. The phytosociological study was carried out during December 2009 to August, 2011 by laying quadrats of 10mx10m for the tree and 1mx1m for the herb species as per the procedure given in Misra (1968).
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Geology, Mining and Environment with an Overview of …
Air, water and soils are severely contaminated by toxic substances mainly 'Cr(VI)' in and around the chromite mines [10]. In the Sukinda mining area, million tons of solid waste have been generated in the form of rejected mineralsand …
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Eco-toxicity of hexavalent chromium and its adverse impact on
The open-cast chromite mining and mines-related works release huge amounts of the waste directly into the water bodies without any treatment. The drainage water that comes out from mining activities is of severe toxicity which further contaminates rivers and streams by coming in contact with nearby water bodies and threatening the aquatic life ...
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Physico-Chemical Analysis and Correlation Study of Water
The Sukinda Valley of the Jajpur district of Odisha produces 98 % of India's chromite ore. The region's groundwater and Damsal Nala, the valley's primary stream, have been contaminated by Cr(VI) due to surface runoff and leachates from overburden dumps. Samples of mine water, surface water, and groundwater were analyzed. The concentration of total Cr in …
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IMPACT OF CHROMITE MINING ON …
Mining activities have been going on for last fifty years in the valley to exploit chromite ore, which is the most economic mineral with highest reserve in the country. The nature and mode of...
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Chromium Ore, Chromite, Properties, Uses, Distribution Map
Chromite Ore Distribution in India. India's chromite reserves are estimated to be 203 MT. Odisha has more than 93 percent of the resources (Sukinda valley in Cuttack and Jajapur). Manipur, Nagaland, Karnataka, Jharkhand, Maharashtra, Tamil Nadu, and Andhra Pradesh have minor deposits. Odisha is the sole producer of Chromite Ore (around 99 per ...
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Assessing pollution and health risks from chromite mine tailings
The land of mines and minerals, 'India' is the producer (4th largest) of chromite ore in the world. Jharkhand is one of the leading states of chromite ore production according to the Indian Bureau of Mines IBM (2013) and it holds the sole chromite mine that is situated at the Roro hills, Chaibasa, India. In the past few decades, the rapid development of mining sectors mining …
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A review of chromite mining in Sukinda Valley of India: impact and
Sukinda Valley, one of the highly polluted areas of the world is generating tons of mining waste and causing serious health and environmental issues in its surroundings. Several reports are available reporting the severity of hexavalent chromium, yet little efforts have been made to address the poll …
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Environmental Quality of the Boula-Nuasahi Chromite Mine Area in India
India is endowed with a fairly sizable geological resource base of 213 MT. Out of this, Odisha alone has a lion's share of 203 MT mostly concentrated in Sukinda ultramafic belt. Opencast cast chromite mining generates enormous quantities of overburden (OB) dumps and huge volume of seepage water containing hexavalent chromium.
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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 …
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