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 consequence of its sky-scraping demand and subsequently its surrounding environment is also deteriorating day by day.
underground chromite mine and ore processing facility in the Ring of Fire and a ferrochrome production facility (includes a chromite smelter) to be located somewhere in Ontario are currently undergoing economic feasibility studies and environmental assessments. Other companies also have plans for mining chromite and other metals in the same area.
Mining activities often generate important amounts of extractive waste, and, as a consequence, environmental impacts that affect all factors to a greater or lesser extent.
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 …
Various environmental impacts of chromite mining. of toxic Cr forms on all aspects of biodiversity are described in Figure 2. Chromium in all of its forms is highly toxic and is associated with several diseases in humans and plants. Cr(VI) causes respiratory and mucous irritant related diseases and disorders that include irritation of nose and ...
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 …
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 …
and many more) are required to run a chromite mine successfully. Other beneficial impacts: Apart from that a lot of other beneficial effects can also occur due to chromite mining which includes amplification of GDP (Gross Domestic Product), balance of payment i.e., equal distribution of money within all
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 …
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.
As of 2012 Zimbabwe had 4000 chromite mining companies, most of them in Zvishavane and 46% of them owned by indigenous 1 Zimbabweans (Chamber of Mines, 2013). These miners are extracting gold, diamonds, chrome, platinum and nickel. ... And the most horrible thing is that the environmental impacts of mining are underestimated which is the major ...
Leveraging plant-based remediation technologies against chromite mining toxicity. The release of hazardous hexavalent chromium from chromite mining seriously threatens …
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 …
Environmental Impact of Chromite Mining in Sukinda Valley Chromium exists in two stable states, i.e. hexavalent chromium (Cr+6) and trivalent chromium (Cr+3) of which (Cr+6) is the most toxic form. Trivalent chromium does not induce any harmful effect, when fed …
In addition to assess the environmental impact of the mining activities, community perceptions about the mining activities were also assessed to know the health effects caused by these activities. ... Opencast mining operations to result the minerals like limestone, bauxite, iron-, chromite-, copper- ores and coal are getting more emphasis ...
The anticipated impact of this review is to influence the global and national chromite mining industry, instigating improvements in occupational settings, real-time pollution …
Developing chromite mining and/or processing, as well as building infrastructure in this sensitive ecosystem will require careful planning to mitigate environmental impacts. The Ring of Fire is also located within the traditional territories of several First Nations ( Chong, 2014 ).
Though in one side mining creates various positive impacts but on the other side it destroys the natural stability of the environment and at some cases, if no care is taken towards preserving ...
The Sukinda Valley is surrounded by the Daitari and the Mahagiri hills. The study area comprises of the entire Sukinda chromite mining area consisting of 14 chromite mines of different mine owners. The study area lies between latitude 21°−21° 05′N and longitude 85° 40′–85° 53′E. Sample Collection
In Finland, wild lingonberries were found to be contaminated with chromium and other heavy metals by air emissions from a chromium mine and ferrochrome and stainless steel plant.
To reduce the availability of toxic hexavalent chromium (Cr(VI)) at off-site environmental components is one of the emerging fields of soil remediation. It includes the stabilization of this toxic element in the soil rhizosphere and/or its accumulation in foliar tissues of plants employed for …
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 ...
The chromite mining activities in Sukinda Valley are creating difficulties for the livelihood as well as for the natural environment due to the discharge of massive amount of …
Though in one side mining creates various positive impacts but on the other side it destroys the natural stability of the environment and at some cases, if no care is taken towards preserving environment, it causes serious issues viz. ecosystem malfunction, deforestation leads to loss of flora and fauna, degradation of land leads to soil ...
ENVIRONMENTAL PROBLEMS OF CHROMITE MINING: Presence of Cr(VI) in mine drainage water: ... 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 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 …
This review presents the effect of chromium pollution caused by chromite-mining and ferrochrome industries to the environment, its possible toxic effects on human as well as its …
The elements of the vector Δ x r indicate the economic losses of each region enabled by the primary inputs of region r.The elements of the vector Δ E r represent the environmental or human health impact reduction enabled by the primary inputs of region r.. 2.3. Data sources. In this study, eight categories of metals (including copper, lead, nickel, zinc, iron, cobalt, lithium, and …
[Show full abstract] identification of the environmental state and environmental impact assessment of chromium extraction (chromite mining) and giving recommendations to minimize the negative ...
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. Chromite mine soils were heterogenous mixture of clay, mud, minerals and rocks. The pH of the soils ranges between 5.87 and 7.36. The nutrient contents of the mine soils (N, P, K …
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