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Henan Liming Heavy Industry Ciencia y Tecnología Co. LTD, fue fundada en 1987,que principalmente fabrica equipos detrituracionesymoliendas grandes y medianas. Se trata de una moderna empresa con la investigación, fabricación y ventas juntos. La matriz se encuentra enla zona HI-TECH Industry Development de Zhengzhou y cubiertas 80.000 m ².

No.169, Science (Kexue) Avenue,
National HI-TECH Industry
Development Zone,

Zhengzhou, China
E-mail: [email protected]
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Mining Iron From Slag Heap
  • Extraction and separation of copper and iron from copper

      There are three methods to recover copper and iron from CSS by deep reduction process, as shown in Fig. 5. The first method is to extract copper from CSS by flotation, and then recover iron by deep reduction process, so as to realize the

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  • Slag - Wikipedia

    There are three types of slag: ferrous, ferroalloy, non-ferrous slags, which are produced through different smelting processes. Ferrous slags are produced in different stages of the iron and steelmaking processes resulting in varying physiochemical properties. Additionally, the rate of cooling of the slag material affects its degree of crystallinity further diversifyi

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  • Heap leaching - Wikipedia

    Heap leaching is an industrial mining process used to extract precious metals, copper, uranium, and other compounds from ore using a series of chemical reactions that absorb specific minerals and re-separate them after their division from other earth materials. Similar to in situ mining, heap leach mining differs in that it places ore on a liner, then adds the chemicals via drip systems to the or

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  • Extraction of iron from copper-plant slag SpringerLink

      In the present work, the phase transformations that occur in such slag during its reduction by the gasification products of carbon at 1100 and 1200°C are

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  • Spoil tip - Wikipedia

    In the United States, current state and federal mining regulations require that the earth materials from excavations be removed in such a fashion that they can be replaced

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  • Tailings - Wikipedia

    The extraction of minerals from ore can be done two ways: placer mining, which uses water and gravity to concentrate the valuable minerals, or hard rock mining, which pulverizes

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  • Slag-What is it Good for? U.S. Geological Survey

    We looked specifically at ferrous slag, the leftover material from the smelting of iron and steel, in the Chicago-Gary area of Illinois and Indiana. Ferrous slag is currently

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  • When Copper Kings leave, what happens to the slag?

    Premier Industries proposes to extract pig iron from the slag and turn the rest into a proppant, a material that is blasted into the ground during the fracking process to keep fractures open.

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  • Iron slag heap hi-res stock photography and images - Alamy

    RF 2GP4KGN – Slag heap from iron ore mining near the city of Eisenerz, Austria. RM PERHEN – The mining town of Broken Hill in New South Wales Australia. RM EPEWDT

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  • Charcoal remains from an Iron Age copper smelting slag heap at

    Charcoal remains were analysed from copper ore smelting at Khirbet en-Nahas, an Iron Age site in the region of Feinan between Wadi Arabah and the highland of Edom. For the first

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  • Spectral two-dimensional inversion of frequency-domain induced ...

      Photograph showing one of the slag heap profiles with slag outcrop in the background. The yellow box is the SIP256C instrument, the grey boxes are remote units connected by fibre optic cables. Two separated electrodes at each location (one for current, one for potential measurements) were used to avoid electrode polarization.

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  • Minerals Free Full-Text Mineralogical

      The Oiola archeological site, located in the mining complex of La Arboleda (Biscay, North Spain) was an important iron smelting center from the Roman Period to the Middle Ages and even in more current

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  • Spectral two-dimensional inversion of frequency-domain induced ...

      The authors used ERT and spectral induced polarization to map mineralized areas in a mining slag heap for potential future mineral reuse (Günther and Martin 2016).

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  • Methods for Recycling Mining Waste: A Review

      Slag Reprocessing Methods Mining slag can also be reprocessed to recover low-grade ores using hydrometallurgy techniques. A study used sulfuric acid to cause the leaching and concentration of zinc and iron from the waste material in an old lead and zinc mine in Turkey.

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  • Sulfuric acid leaching for capturing value from copper rich converter slag

      Sulfuric acid leaching of copper rich slag with the optimized parameters can provide a copper rich process solution with iron as the main impurity metal. The solution can provide an attractive feed for integration into the industrial primary copper production with acceptable low Ni, As and Pb levels (43.6 g/L Cu, 9.4 g/L Fe, 0.3 g/L Ni, 0.1 g/L As, 0.2

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  • Tailings - Wikipedia

    Terminology. Tailings are also called mine dumps, culm dumps, slimes, refuse, leach residue, slickens, or terra-cone (terrikon).. Examples Sulfide minerals. The effluent from the tailings from the mining of sulfidic minerals has been described as "the largest environmental liability of the mining industry". These tailings contain large amounts of

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  • When Copper Kings leave, what happens to the slag?

    Premier Industries proposes to extract pig iron from the slag and turn the rest into a proppant, a material that is blasted into the ground during the fracking process to keep fractures open....

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  • TENORM: Copper Mining and Production Wastes US EPA

      There are two main leaching methods: heap leaching and in-situ leaching. Heap leaching is the most common method used in the U.S. When processing copper through heap leaching, vast quantities of ore and overburden are mined. The overburden is separated and either hauled to the waste site or stockpiled for future site reclamation.

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  • The enigma of early Norwegian iron production

      Today, the most common sign of ancient iron production is the slag heap. Chemical analyses of these slag heaps is a central part of understanding how the ore was smelted. Places with traces of iron

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  • SLAG HEAP English meaning - Cambridge Dictionary

    slag heap noun [ C ] mainly UK uk / ˈslæɡ ˌhiːp / us / ˈslæɡ ˌhiːp / a hill made from the waste material from a mine SMART Vocabulary: related words and phrases Engineering -

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  • Spectral two-dimensional inversion of frequency-domain induced ...

      Photograph showing one of the slag heap profiles with slag outcrop in the background. The yellow box is the SIP256C instrument, the grey boxes are remote units connected by fibre optic cables. Two separated electrodes at each location (one for current, one for potential measurements) were used to avoid electrode polarization.

    Charlar en Línea
  • Minerals Free Full-Text Mineralogical

      The slags are essentially the main by-product of the iron production process. The composition of smelting slags depends on the furnace operation conditions (design, air supply mechanism), the raw

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  • Methods for Recycling Mining Waste: A Review

      Slag Reprocessing Methods Mining slag can also be reprocessed to recover low-grade ores using hydrometallurgy techniques. A study used sulfuric acid to cause the leaching and concentration of zinc and iron from the waste material in an old lead and zinc mine in Turkey.

    Charlar en Línea
  • Sulfuric acid leaching for capturing value from copper rich converter slag

      Sulfuric acid leaching of copper rich slag with the optimized parameters can provide a copper rich process solution with iron as the main impurity metal. The solution can provide an attractive feed for integration into the industrial primary copper production with acceptable low Ni, As and Pb levels (43.6 g/L Cu, 9.4 g/L Fe, 0.3 g/L Ni, 0.1 g/L As, 0.2

    Charlar en Línea
  • Tailings - Wikipedia

    Terminology. Tailings are also called mine dumps, culm dumps, slimes, refuse, leach residue, slickens, or terra-cone (terrikon).. Examples Sulfide minerals. The effluent from the tailings from the mining of sulfidic minerals has been described as "the largest environmental liability of the mining industry". These tailings contain large amounts of

    Charlar en Línea
  • Industrial uses of slag—The use and re-use of iron and

    During ironmaking as well as during steelmaking,significant amounts of slag are produced. Two decades ago, more than 13 m tonne of blast furnaceslag and 4 m tonne of steelmaking slag per annum...

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  • TENORM: Copper Mining and Production Wastes US EPA

      There are two main leaching methods: heap leaching and in-situ leaching. Heap leaching is the most common method used in the U.S. When processing copper through heap leaching, vast quantities of ore and overburden are mined. The overburden is separated and either hauled to the waste site or stockpiled for future site reclamation.

    Charlar en Línea
  • The World Is Studded With Artificial Mountains

      Other artificial mountains are formed from slag, the molten rock separated from iron ore during steel production. Slag is dumped in a waste pile, which hardens into concrete-like rock when cooled.

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  • The enigma of early Norwegian iron production

      Today, the most common sign of ancient iron production is the slag heap. Chemical analyses of these slag heaps is a central part of understanding how the ore was smelted. Places with traces of iron

    Charlar en Línea
  • Coal, Coal Mines and Spoil Heaps SpringerLink

    Over 3.2 million hectares of land in the USA is disturbed by coal mining (Shrestha and Lal, 2006 ). Overburden is the layer of soil and rock between the coal seams and the surface, and is disposed of in spoil heaps. These spoil heaps are composed of both chemically inert and reactive components.

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