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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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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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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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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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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Dhakate et al. studied the impact assessment of chromite mining on groundwater through simulation modeling in Sukinda chromite mining area, Odisha, India. They reported that the concentration of Cr(VI) exceeds the permissible limits in some samples of groundwater, surface water and mine water and mine seepage.
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chromite ore as well as waste rock m ... Odisha contributes about 98% of India's total chromite reserves with about 334 million tons annual production rate globally, which plays a colossal role to ...
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11.8 Waste Management 11.9 Environmental Problems due to Chromite Mining in Sukinda Valley (Orissa) and Proposed Remedial Measures 11.10 The Regional Environment Assessment (REA) & Its Results ... 12.4.2 Imports vs. Indigenous Production in India 12.4.3 Export Possibility for India 12.4.4 Domestic/ Export Markets
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However, 15 samples exceeded the permissible limits of 0.05mg/L prescribed by Central Pollution Control Board (CPCB), India. The sustainable chromite mining in the valley is a major issue so far ...
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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 .
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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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Soil samples from chromite mining site and its adjacent overburden dumps and fallow land of Sukinda, Odisha, were analysed for their physico-chemical, microbial and metal contents.
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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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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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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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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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June 2023 DUMP MANAGEMENT IN CHROMITE MINES 49 Fig. 1. Location map of south Kalipani chromite mines MATERIALS AND METHODS South Kaliapani Chromite Mine of M/s Odisha Mining Corporation Limited (OMC) is in Jajpur District of Odisha. South Kaliapani Chromite Mine in Sukinda ultramafic complex is in Sukinda Tehsil of Jajpur district in Orissa. The
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time during 1993 – 94, to assess the health impacts due to chromite mining. This is perhaps the first and by far the only such documented report. A random sample of 188 s, out of a total 373, in the villages near four chromite mining areas in Sukinda (Kamarda, Saruabil, OMC and TISCO) was selected for the study. - 5 -
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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 ...
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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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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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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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The Precambrian geological chromite formation in the Sukinda Ultramafic chromite Belt (SUCB) at Jajpur, Odisha, has added to India's economy but simultaneously deteriorated the environment ...
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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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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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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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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 …
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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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chromite beneficiation in india past scenario mining of high grade ore leaving low and medium grade ores stacked as waste use of manual methods for dressing 23. Generally Chrome ore deposits are classified as Siliceous type (silica rich) Ferruginous type (iron rich) Associated gangue minerals are Talc Quartz Hematite Goethite Limonite ...
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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 …
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