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The environmental issues of bauxite mining include, air, water and soil pollution due to bauxite dust; leaching of bauxite into water sources resulting in reduced soil fertility as well as ...
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Keywords: bauxite, environment, negative impact, mining, environmental dimensions, assessment. I. INTRODUCTION Mining and the processing of minerals have a profound impact on our environment.
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This paper presents the results of a study of the environmental impacts of the proposed Bauxite mining project at Jerrila, Visakhapatnam, A.P, India. The study considered physical, chemical, and ecological as well as social and economic issues in relation to the various operations in the Bauxite mining process.
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This paper provides a review of the process description, properties of bauxite, ... Bauxite, Environmental Health Impact ... studies show that PM10 were higher in open cast mining ore and caused ...
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A Short Review of Bauxite and Its Production: Environmental Health Impact on Children in Mining Areas January 2018 Malaysian Journal of Medicine and Health Sciences 15(supp 3):120
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negatively impact the human, animal, and environment surrounding the mining sites [1]. In the case of bauxite mining, red bauxite particles (in the form of mud and dust) are produced from alumina refining of bauxite ore with high pH value that contains a certain amount of caustic alumina soda, ferrotitanium
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habitat." Mining will also reduce the quality of habitats because of noise and dust deposition, and by blocking animal movement. Potential impacts on biodiversity will be …
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By Enid Joaquin Last year, Linden marked a centenary of bauxite mining. The discovery of the precious ore, all those decades ago, led to the town's prosperity for many years. There was the establishment of mining sites such as Hope, Three Friends, Maria Elizabeth, Montgomery, Arrowcance, Dorabecee, Kara Kara and Lucky Spot, and …
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The documents listed in Table 1 and the consulted literature show that, apart from the environmental impact of the unsustainable mining activities on the health of the local people, there are other negative consequences that affect the well-being of the locals. First, there is the problem of the improper expropriation of ancestral farmlands without …
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1. Introduction. Bauxite is the principal aluminum ore during primary aluminum production and mainly consists of aluminum hydroxide, alumina-silicates, and zinc oxide (Donoghue et al., 2014).Bauxite ore is found and mined in many countries including Australia, China, Brazil, New Guinea, and India.
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On the other hand, it has had a considerable impact both on the Vietnam´s government and Vietnam's highest legislative body, the National Assembly. As a result, a conference to examine the environmental impact of the mines as well as a special investigation by the Ministry of Industry and Trade took place in 2009.
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Explore the crucial role of bauxite mining in aluminum production, its significant environmental and social impacts, and sustainable practices. Learn about global …
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The significant increase in metal mining and the inevitability of the continuation of this trend suggests that environmental pressures, as well as related impacts, have become an issue of global relevance. Yet the scale of the impact remains, to a large extent, unknown. This paper examines the mining sector's demands on CO2 …
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The process of bauxite mining can result in notable effects on both the environment and local communities, giving rise to environmental degradation and socio-economic complexities. This mining operation frequently necessitates substantial deforestation to reach bauxite deposits, leading to the deterioration of crucial forest …
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The Bayer Process. The Bayer Process, which is used by about 80 active plants worldwide, is the primary method of producing aluminum from bauxite. Bauxite ore is dissolved in sodium hydroxide, or lye, at a high temperature and pressure. Then, the alumina and bauxite ores are separated by washing out the waste (red muds or sands) …
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When powerful and wealthy transnational mining companies acquire lands, mine bauxite ore, transform it to alumina or export it in unprocessed form through ports built for this …
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In Malaysia, there are persistent illegal and unregistered operations in the mining and mineral processing industries, as demonstrated by the extensive and aggressive illegal mining of bauxite in ...
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Sustainable Bauxite Mining Guidelines (2018) - Indonesian. ... bauxite does not require complex processing because most of the bauxite mined is of an acceptable grade. Ore quality can be improved by relatively simple and inexpensive processes for removing clay, known as "beneficiation", which include washing, wet screening and mechanical or ...
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The first step in producing aluminium is mining this ore. Bauxite occurs mainly in tropical and sub-tropical areas, like Africa, the Caribbean, South America and Australia. Australia is one of the world's largest producers of bauxite, with five large mines supplying around 30 per cent of global production.
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Aluminum ore, also known as bauxite, is a naturally occurring mineral rock that contains aluminum in the form of aluminum oxide (Al2O3) mixed with various impurities. Bauxite is the primary source of aluminum, which is one of the most abundant elements in the Earth's crust, comprising about 8% by weight.
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Impact of bauxite mining on the environment Bauxite mining can pollute the air, water and soil, thus directly affecting the environment. Air pollution The substances produced during the bauxite mining process include dust, sulfur dioxide (SO2), and nitrogen oxides (NOx). The mining and beneficiation of bauxite do not involve the use …
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The Impact of Bauxite Mining on the Physical Environment of Western Maharashtra, India . ... Environmental Impact Assessment and was later checked on ground by visiting the actual site. With the help of area ... 54.55% are waste materials and 45.45% are bauxite ore [23].
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This review discusses the processes of bauxite mining, its constituents and residual trace elements, and their impact on the environment and health of exposed workers and …
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No one can question the enormously positive impact that the bauxite/alumina industry has had on the Jamaican economy over the last 53 years. The sector is today the second largest foreign exchange earner, raking in some US$901 million last year (an 18 per cent increase over 2003), and creating significant linkages in the …
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For example, mining, processing and transportation require fuel and electricity, and the decomposition of carbonate minerals, employed to reduce environmental impacts, also releases carbon dioxide.
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Annandale, Mark, John Meadows, and Peter Erskine. "Indigenous forest livelihoods and bauxite mining: A case-study from northern Australia." Journal of ...
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Bauxite is one of the mining commodities that have high economic value as a contributor to the country's foreign exchange with a potential of 349.61 million tons.
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Bauxite mining impacts Indigenous Traditional Owners (TOs). • TOs expect improved pre- and post-mining forest and landscape management. • Mine rehabilitation via …
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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