It has been proved that approximately 80 percent of mining disasters are preventable provided that these laws get enforced efficiently and it is necessary that the mine workers must follow adequate safety compliances. Orissa accounts for 95 percent of the chromium ore reserves of India. It increases the economic status, but adversely reduces the ecological cover. Chromite …
WhatsApp: +86 18221755073This review highlighted the environmental pollution resulted from chromite mining and processing industries globally, and explained the probable toxic effects as well as toxicity mechanisms of the related toxic metals on exposed workers as well as other human population.
WhatsApp: +86 18221755073Significant amounts of toxic metal-containing mining waste are produced by chromium mining activities, along with the production of air pollutants. The presence of toxic metals in various environmental media including air, water, and soil, along with their chemical species such as hexavalent chromiu …
WhatsApp: +86 18221755073Chromite ore mining is a typical mining industry with substantial environmental hazards. Chromium metal derived from industrial chromite mining is used in the production of stainless steel, leather industry, paint industry, and other important industrial usages [].Nevertheless, the presence of chromium ions, particularly hexavalent chromium (Cr(VI)) in …
WhatsApp: +86 18221755073It also attempts to provide a framework for management strategies to improve the environmental conditions in the mining sites and its adjoining environments. download ... and suffering from skin, cancer and gastroenteritis diseases frequently [13]. Some of the major consequences of Sukinda chromite mining are land degradation yielding low ...
WhatsApp: +86 18221755073Prior to commencing chromite mining in the Ring of Fire, baseline studies should be undertaken to determine the possible natural occurrence of Cr(VI) in soils, untreated chromite ore and surface/groundwater, as well as sources thereof. During mining and ore processing, dry milling was identified as the only process step with the potential to generate Cr(VI); therefore, …
WhatsApp: +86 18221755073Sukinda Valley in Orissa is among the world's ten highly polluted places in the world. 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 landscape, soil and deteriorated water quality.
WhatsApp: +86 18221755073The effluents and solid wastes from the mining, chrome-plating, leather-tanning, and dye-manufacturing industries are high in chromium concentration and identified as a major …
WhatsApp: +86 18221755073The production of FeCr is mainly performed in semi-closed (also referred to as open) and closed submerged arc furnaces (SAFs), and to a lesser extent in closed direct current (DC) furnaces [23,41,42].
WhatsApp: +86 18221755073Due to the friability of the South African chromite ores, it is common to only recover 10-15% lumpy ore (15 mm < typical size range < 150 mm) and 8-12% chip/pebble ores (6 mm < typical size range < 15 mm) during the beneficiation process employed after chromite mining, which has the effect that large dump sites are formed (Beukes et al. 2010 ...
WhatsApp: +86 18221755073Chromium has long been recognized as a toxic, mutagenic and carcinogenic metal. It is toxic to microorganism, plants, animals and humans. Chromium exists in environment in two stable forms: Cr(VI) and Cr(III). Cr(III) is less toxic and insoluble, while Cr(VI) is extremely toxic and highly soluble. Chromium is used in many industrial applications, but it poses a threat to local …
WhatsApp: +86 18221755073The blooming industrialization and urbanization is leading to increased mining operations. These intensified mining activities emit heavy metals into the environment, posing serious threats to ecosystems. Hence, this study focused on assessing heavy metal pollution in mining soil, utilizing mosses as bioindicators. The ecological risk, geo-accumulation factor, and …
WhatsApp: +86 18221755073granted for chromite ore mining in Jajpur and Dhenkanal underground) and 5 are not in operation due to want of statutory clearances ().
WhatsApp: +86 18221755073Geology and mining are two essential components for economic growth of a country. Geology explores all kinds of minerals and rocks preserved in the earth's crust and mining exploits it, if ...
WhatsApp: +86 18221755073The 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 …
WhatsApp: +86 18221755073Case 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 chromium (FeOCr 2 O 3). 1,2 heavily in about a 700 m vicinity around the Countries with commercially significant chromite mines include Russia, South Africa, Zimbabwe, Turkey, the
WhatsApp: +86 18221755073The presence of toxic metals in various environmental media including air, water, and soil, along with their chemical species such as hexavalent chromium, pose major health …
WhatsApp: +86 18221755073To 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 remediation purposes. In thi…
WhatsApp: +86 18221755073Here we review chromite mining in India, impact of chromite pollution on plants and the environment, and phytoremediation of Cr-polluted soils. The economic stability and …
WhatsApp: +86 18221755073Sukinda valley has now become a "Valley of Despair". Despite these optimistic and resilient effects, chromite mining and chromium showed various adverse sides which are affecting the lives of many, on a long-term basis and are non-ignorable [17].The problems related to chromite mining in Sukinda Valley attracted the attention of many researchers, scientists and …
WhatsApp: +86 18221755073Exposure to toxic metals in chromite mining environment 3.2.1. Chromium and other metals in chromite mining. Mine tailings, wastes from smelters, and metals deposited from atmosphere are the primary sources of metal contamination in soil . It has been noted that in the vicinity of smelting practices and mining zones, metals typically coexist as ...
WhatsApp: +86 18221755073underground 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.
WhatsApp: +86 18221755073Chromium in Environment, Its T oxic E ect from Chromite‑Mining and Ferrochrome Industries, and Its Possible Bioremediation Johan J. Coetzee 1 · Neetu Bansal 1 · Evans M. N. Chirwa 1
WhatsApp: +86 18221755073Chromite ore mining is a typical mining industry with substantial environmental hazards. Chromium metal derived from industrial chromite mining is used in the production of stainless steel, leather industry, paint industry, and other important industrial usages [11].Nevertheless, the presence of chromium ions, particularly hexavalent chromium (Cr(VI)) in …
WhatsApp: +86 18221755073Noise level status in 2010-11 and 2021 -22 (Source -Report on environmental issues of chromite mining in Sukinda Valley, 2022) ...
WhatsApp: +86 18221755073Here we review chromite mining in India, impact of chromite pollution on plants and the environment, and phytoremediation of Cr-polluted soils. To access full version of the text visit the ...
WhatsApp: +86 18221755073A comprehensive ecological and human health risk assessment of heavy metal contamination resulting from nickel and chromite mining activities in Santa Cruz, Zambales, Philippines are hereby presented in this study. ... It is argued that this novel CBA model should integrate environmental, health, and economic data; wherein the costs associated ...
WhatsApp: +86 18221755073The most common environmental problems due to mining are (i) large-scale deforestation (Saha et al. 2011); (ii) accumulation of huge overburden dumps (Maiti 2007); (iii) extensive air, water, soil ...
WhatsApp: +86 18221755073pertaining to environmental health effects of Orissa chromite mines. 1. Introduction Chromium is the 21 st element in earth crust in relative abundance. It belongs to Group VI B (Atomic No.24). It ...
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