cone crusher maintenance mannual

cone crusher maintenance mannual

Chromite Mining Water Pollution

chromite reserve and it is exploited mostly by opencast mining process ... inert chromites and causes hazardous chromium pollution of water (Das and Singh. Read more Occupational health assessment of chromite toxicity among Indian ...

Get Price

Chromite mining pollution, environmental impact, toxicity ...

2020-9-24  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, amounting to almost 95% of Cr available in India, and is the fourth most polluted site worldwide. Immediate solutions are needed to protect the ...

Get Price

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.

Get Price

Chromium contamination from chromite mine SpringerLink

Chromite ore bodies in oxidized serpentinite therefore may generate hexavalent chromium from the inert chromites and cause hazardous chromium pollution of the water. With this end in view, a combined field and laboratory study has been made on chromite-bearing oxidized serpentinite rocks of

Get Price

Potential Toxic Effects of Chromium, Chromite Mining

2019-10-11  Chromite ore mining and concentration produces overburden and waste rock, dust, tailings and tailings water. Ferrochrome production creates air pollution, dust, slag (waste produced during

Get Price

Heavy metal contamination, physico-chemical and

2013-2-1  Extensive mining of chromite in this area in the past several years poses serious threat to the environment through pollution of toxic hexavalent chromium in soil and water bodies. As a result of heavy mining, a large volume of over burdens (OB), comprising of chromite ores and waste rock material generate which are dumped in the open ground ...

Get Price

REPORT ON ENVIRONMENTAL ISSUES OF CHROMITE

2012-9-17  3.1: Mine Drainage Water The State Pollution Control Board recorded the occurrence of Cr (VI) in the mine drainage water of the chromite mines in the Sukinda Valley in the late eighties. No techno economically viable treatment method for Cr(VI) was available then. Subsequently with the technical know-how from the National Environmental ...

Get Price

Biochars evaluation for chromium pollution abatement in ...

2020-7-2  These leachable fractions are important with respect to Cr pollution potential from the chromite OB mining area. The water leachable Cr (4.88 mg/L) was estimated to be higher in chromite mine OB without BC treatments. Water leachable Cr was estimated to be lower at a

Get Price

Environmental Scenario of Chromite Mining at Sukinda ...

2013-11-13  pollution of Dhamsala nala. Discharge of mine effluent in to Dhamsala nala without proper treatment increases hexavalent chromium at some stretches of the nala. The environmental impacts of chromite mining in Sukinda valley are; 2.1 Presence of hexavalent chromium in mine drainage water Open cast mining in the Sukinda valley is carried out at a ...

Get Price

Impact assessment of chromite mining on groundwater ...

Mining activities can cause not only surface and subsurface water loss but also chemical, trace metal, and microbiological pollution of surface and subsurface water [21] [22] [23][24][25]. e water ...

Get Price

Chromium contamination from chromite mine SpringerLink

Chromite ore bodies in oxidized serpentinite therefore may generate hexavalent chromium from the inert chromites and cause hazardous chromium pollution of the water. With this end in view, a combined field and laboratory study has been made on chromite-bearing oxidized serpentinite rocks of Sukinda in Orissa, India.

Get Price

Impact assessment of chromite mining on groundwater ...

2008-12-30  1.. IntroductionIn the process of development, mining is one of the core industries contributing, knowingly or unknowingly, towards the deterioration of the environment in terms of air, water and land pollution .To achieve sustainable development, environmental protection elements should be introduced at the planning stage of the mining project.

Get Price

Heavy metal contamination, physico-chemical and

2013-2-1  Extensive mining of chromite in this area in the past several years poses serious threat to the environment through pollution of toxic hexavalent chromium in soil and water bodies. As a result of heavy mining, a large volume of over burdens (OB), comprising of chromite ores and waste rock material generate which are dumped in the open ground ...

Get Price

Potential Toxic Effects of Chromium, Chromite Mining

2019-10-11  Chromite ore mining and concentration produces overburden and waste rock, dust, tailings and tailings water. Ferrochrome production creates air pollution, dust, slag (waste produced during

Get Price

REPORT ON ENVIRONMENTAL ISSUES OF CHROMITE

2008-12-29  3.1: Mine Drainage Water The State Pollution Control Board recorded the occurrence of Cr (VI) in the mine drainage water of the chromite mines in the Sukinda Valley in the late eighties. No techno economically viable treatment method for Cr(VI) was available then. Subsequently with the technical know-how from the National Environmental ...

Get Price

Environmental Scenario of Chromite Mining at Sukinda ...

2013-11-13  pollution of Dhamsala nala. Discharge of mine effluent in to Dhamsala nala without proper treatment increases hexavalent chromium at some stretches of the nala. The environmental impacts of chromite mining in Sukinda valley are; 2.1 Presence of hexavalent chromium in mine drainage water Open cast mining in the Sukinda valley is carried out at a ...

Get Price

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.

Get Price

(PDF) An overview of chromite mining in Sukinda valley in ...

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.[ii] Water naturally occurring and discharged from mine quarries Purged - Preeti Tej Singh due to excavation is

Get Price

Analysis and assessment of nickel and chromium pollution ...

2015-7-1  The key objective of this research was to estimate the Ni and Cr contents of soil around the Baghjar Chromite Mine (BCM) of Sabzevar Ophiolite Belt, Northeastern Iran, and assess the degree of soil pollution using the pollution indices. Soil samples (0–20 cm depth) were collected at various distances from the BCM.

Get Price

Mining and Water Pollution — Safe Drinking Water

2016-12-17  Types of Water Pollution from Mining. There are four main types of mining impacts on water quality. 1. Acid Mine Drainage Acid Rock Drainage (ARD) is a natural process whereby sulphuric acid is produced when sulphides in rocks are exposed to air and water. Acid Mine Drainage (AMD) is essentially the same process, greatly magnified.

Get Price

REPORT ON ENVIRONMENTAL ISSUES OF CHROMITE

2012-9-17  3.1: Mine Drainage Water The State Pollution Control Board recorded the occurrence of Cr (VI) in the mine drainage water of the chromite mines in the Sukinda Valley in the late eighties. No techno economically viable treatment method for Cr(VI) was available then. Subsequently with the technical know-how from the National Environmental ...

Get Price

Occurrence and Evaluation of Chromium Reducing

2013-12-24  Chromium pollution due to leaching and weathering of chromite mine overburden in mine seepage water is a serious environmental problem. In an attempt to explore the indigenous chromate resistant and reducing bacteria from chromite mine quarry seepage, 145 aerobic, heterotrophic bacteria were isolated from 14 mine

Get Price

Chromium contamination from chromite mine - NASA/ADS

Chromite ore bodies in oxidized serpentinite therefore may generate hexavalent chromium from the inert chromites and cause hazardous chromium pollution of the water. With this end in view, a combined field and laboratory study has been made on chromite-bearing oxidized serpentinite rocks of Sukinda in Orissa, India.

Get Price

Occurrence and Evaluation of Chromium Reducing

2014-6-19  Chromium pollution due to leaching and weathering of chromite mine overburden in mine seepage water is a serious environmental problem. In an attempt to explore the indigenous chromate resistant and reducing bacteria from chromite mine quarry seepage, 145 aerobic, heterotrophic bacteria were isolated from 14 mine seepage samples derived from chromite mines of Sukinda valley and Baula-Nuasahi ...

Get Price

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.

Get Price

Analysis and assessment of nickel and chromium pollution ...

2015-7-1  The key objective of this research was to estimate the Ni and Cr contents of soil around the Baghjar Chromite Mine (BCM) of Sabzevar Ophiolite Belt, Northeastern Iran, and assess the degree of soil pollution using the pollution indices. Soil samples (0–20 cm depth) were collected at various distances from the BCM.

Get Price

Heavy metal contamination, physico-chemical and

Water samples from chromite mine quarry of Sukinda and its adjacent areas were analyzed for their heavy metal contamination along with physico-chemical and microbial contents. The chromite mine water samples possessed high concentrations of heavy metals in the order of Cr>Fe>Zn>Ni>Co>Mn while ground water did not show any heavy metal ...

Get Price

Zimbabwean mine dumps and their impacts on river water ...

2006-1-1  Acid mine drainage has been shown to be associated with many mine types (Lupankwa et al., 2004a, Ravengai et al., 2005a), alkali mine drainage with chrome mining (Ashton et al., 2001, Roberts, 1996) and base metal pollution with base metal and some gold-mines (Lupankwa et al., 2004b, Musiwa et al., 2004). However there is lack of information ...

Get Price

TALANGI CHROMITE MINE

2018-6-25  CHROMITE MINE OF M/S IDC OF ODISHA LIMITED AS ON 31.03.2018. A. Specific Condition: Sl. No. Condition Compliance (i) The project proponent shall obtain Consent to Establish and Consent to Operate from the state pollution control board, odisha and effectively implement all the condition stipulated therein.

Get Price

Northern Ontario chromite mining has first nation worried ...

2012-12-28  Chromite mining is new to Canada. Proposals by Cliffs Natural Resources would see open-pit mining as well as underground operations over the next 30 to 40 years.

Get Price