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2012-2-24The iron ore exploitation established in the State of Minas Gerais Brail produces huge amounts of residues. These residues are neither toxic nor haardous and can be used as raw materials in several industrial segments. Much of this ore is banded iron formations also known as banded ironstone formations or BIFs.
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4. It should be added that these steel residues should comply with the general specifications for road construction materials of INVIAS 5. 2.
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Currently there is considerable concern over the availability of iron ore.
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2020-6-24The mining industry of Cyprus was active in the production of minerals of copper iron pyrite gold chromites as well as asbestos fibers.
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2020-6-16The metallurgical methods which were applied were mainly those of flotation of copper minerals chalcopyrite bornite covellite chalcosite and cuprite iron pyrite and other sulfide minerals sphalerite if contained in the ore.
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Viele bersette Beispielste mit iron ore production Deutsch-Englisch Wrterbuch und Suchmaschine fr Millionen von Deutsch-bersetungen.
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Experimental study of recycling strontium chloride from strontium waste residues was conducted with ammonia chloride as the leaching solvent.
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The exploitation has to be accompanied by social returns and measures to compensate for damages in general.
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2012-11-86. Exploration and exploitation of unconventional oil resources such as oil shale oil sand heavy crude oil and extra-heavy crude oil limited to Chinese-foreign equity or contractual joint ventures 7.
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The innovation of iron production is often considered one of the greatest technological advances in human history. A reliable provenancing method for iron is instrumental for the reconstruction of economic social and geo-political aspects of iron production and use in antiquity.
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2012-6-20From 2000 to 2010 the price of rare earth products rose by 2.5-fold while that of gold copper and iron ore increased by 4.4- 4.1- and 4.8-fold during the same period respectively.
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This results into a 4 decrease in iron ore imports and a 18 increase in European iron ore production.
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Nat. Iron Ore Min. Co. 2001. Iron ore is also widely distributed in all the continents. The most important source of iron ore from United State is the Lake Superior district.
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The treatment of iron tailings has been a global issue which has bought serious impact on the environment it was considered to be a potential threat to human lives.
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Li C Sun HH Yi ZL Li LT 2010b Innovative methodology for comprehensive utiliation of iron ore tailings part 2 the residues after iron recovery from iron ore tailings to prepare cementitious material.
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Iron ore tailings are industrial solid wastes generated from mineral processing. The disposal of iron ore tailings leads to environmental threat and serious security because of their tiny particle sie and large storage.
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Geotechnical parameters of iron ore tailings from . geotechnical parameters of iron ore tailings from the quadriltero ferrfero the need to reconcile tailings disposal and mining processing of iron ore are affected by the changes or substitutions of iron ore treatment plants.
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2018-6-13The leading industrial producer of alumina and aluminium in S.E. Europe and the only vertically integrated bauxite alumina and aluminium production plant in Europe Mining 650000 tons of Greek bauxite ore processing each year more than 1.4 million tons of Greek bauxite ore and 0.
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Bauxite residues from alumina production are available at a multimillion tonnes scale worldwide. So far attempts have been made to find alternative reuse applications for bauxite residues for instance in cement pig iron production.
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Copper Ore Exploitation Technology In The Republic Of Guatemala .
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Iron ore tailings are mainly composed by iron oxides silica and alumina resulting in a fine dense stable and crystalline material BASTOS et al. 2016 technically feasible to be employed in civil construction.
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The causes of the 2015 Mariana tragedy. Karla Mendes and Maria Paola de Salvo. Nov 05 2018. Instead of the traditional use of trucks to transport iron ore Samarco was a pioneer introducing the use of pipelines to drain its production.
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2010-3-2million and 5.8 million of pig iron respectively in 2005. This represented 92.3 percent of national pig iron production. In Maranho State there was an expansion of metallurgic companies after the beginning of iron ore exploitation at Serra dos Carajs.
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On the basis of representing the situations characteristics and status of iron ore tailings resources in our country the approaches of comprehensive utiliation of iron ore tailings are analyed.
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Stopping in 1997 and because of high toxic residues emitted in the atmosphere almost 350 ha of field were affected. Starting with 2007 the past ore exploitation of Calimani has been included within the Calimanin National Park.
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