of mpanies that deal with mining tailing and waste

  • Tailings: how to deal with them? That is the question ...

    2020-7-22  Investigating the content of old waste piles and tailing dams is becoming more common in mining as the demand for minerals changes and technology improves [8]. The reprocessing of tailings is interesting from an operational standpoint, as it has one less step compared to the mining cycle: the removal of overburden material, which entails ...

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  • Mine Waste Transfer and Disposal Methods - Mine

    Waste management techniques employed by mining companies are routinely under intense scrutiny from local governments and the general public. Improper disposal methods and the resulting environmental damages have plagued the history of the mining industry. These actions have left a negative stigma associated with mining and associated waste ...

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  • Mine Waste and Tailings Conference 2021 - AusIMM

    Welcome to the Mine Waste and Tailings Conference. AusIMM’s Mine Waste and Tailings Conference returns in July 2021 to explore all aspects of life cycle waste rock and tailings management, from site selection and design to post-closure care.

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  • How to handle mine tailings safely and ... -

    2019-7-19  Mining involves the processing of mined ore to separate valuable minerals, leaving behind huge volumes of waste tailings. Driven by mining volumes, globally generated tailings are estimated to ...

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  • Mine tailing removal dredging – Yard

    2021-1-19  Mine tailing dredging is used for cleaning up tailing ponds, removing leftover chemicals or capturing leftover valuables. Mine tailings consist of crushed, finely ground rock and waste products from mineral processing operations in mining

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  • How Is Mining Waste Recycled? - Ecocycle Australia

    2016-2-25  Mining waste comes in many forms and varies from harmless to highly hazardous. Much of it has little or no economic value but the mining industry is making an effort to find new uses for waste

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  • From Tailings to Treasure? Miners Make Money ... - US

    2015-5-7  Now, some mining companies are figuring out ways to turn tailings to profits with novel reprocessing technologies to extract valuable metals from the waste. One example reported in Rapaport Magazine describes the efforts of De Beers Consolidated Mines (DBCM) to extract overlooked diamonds from 360 million tons of old tailings surrounding the ...

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  • Environmentally sustainable mining: The case of

    2016-9-1  Second, as the mining progressed, operating plans were continually modified to deal with unexpected environmental issues. For example, early testing had indicated that a very small proportion of the waste rock was likely to generate acid drainage and that this would be neutralized by the carbonates in the waste.

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  • Mine Tailings Disposal Methods - 911 Metallurgist

    2017-6-16  Waste Rock. Underground mining is conducted through adits or shafts by a variety of methods that include room-and-pillar, block caving, timbered-stope, open-stope, shrinkage-stope, sublevel-stope, and others. Waste removal is proportionately much less in underground than in surface mining, but it still requires surface waste disposal areas.

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  • Tailings Management - Teck

    Tailings are a common by-product of the mining process. They are typically created as mined ore is crushed, ground and processed to separate the valuable minerals and create a saleable concentrate product. The waste from this process is called tailings.

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  • Mining mine dumps in South Africa: the interests of mining ...

    2016-5-26  Mining companies may want to exploit the dumps that they create if exploitation will be more profitable at a later stage as a result of, for example, technological advancement or market conditions. Mining companies may also want to allow others to exploit dumps if this proves more profitable than exploiting these dumps themselves.

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  • (PDF) Management of risks associated to mining wastes ...

    The paper presents significant aspects regarding risk management related to wastes in the Romanian mining industry. There are studied two subjects of interest: the waste heaps and tailing dams ...

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  • How Is Mining Waste Recycled? - Ecocycle Australia

    2016-2-25  Mining waste comes in many forms and varies from harmless to highly hazardous. Much of it has little or no economic value but the mining industry is making an effort to find new uses for waste to reduce environmental impacts.

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  • Mine tailing disposal sites: contamination problems ...

    2017-11-18  Mining waste spilled on the farmland along the Dong River. 27 years later certain soils were still heavily polluted with As, Cd, Zn, Pb and Cu (Lu et al. 2015). (2) Doñana, one of the most important natural parks in Spain, was contaminated in 1998 due to the failure of a pyrite mine tailing pond, releasing about 4–5 million m 3 of acidic ...

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  • Environmentally sustainable mining: The case of tailings ...

    2016-9-1  Second, as the mining progressed, operating plans were continually modified to deal with unexpected environmental issues. For example, early testing had indicated that a very small proportion of the waste rock was likely to generate acid drainage and that this would be neutralized by the carbonates in the waste.

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  • A look at ways of controlling tailings to avoid future ...

    Taking extra care with the parts of a mine’s waste stream that contain environmentally hazardous materials, separating them out for special treatment, is a cost that many mining companies might think not worthwhile, but with the fast-growing concern about the risks and liabilities stemming from conventional TSFs, this is an area of good ...

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  • Environmental Strategies in the Mining Industry: One ...

    Mining companies typically are required to obtain environmental permits signifying government approval of various aspects of their mine plans, including those for reclamation, waste disposal, sewage treatment, drinking water, and construction of dams and other impoundments.

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  • Mine tailing dams: the giants we ignore at our peril ...

    2021-2-8  An even worse incident occurred in Bulgaria in 1966, when mining waste swamped the town of Zgorigrad. Despite the efforts of the regime in power to minimise the disaster, today the staggering magnitude of the tragedy is well-documented: at least 488 victims. The collapse of tailing ponds killed at least 2900 people in the last century.

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  • Mine Tailings Disposal Methods - 911 Metallurgist

    2017-6-16  Waste Rock. Underground mining is conducted through adits or shafts by a variety of methods that include room-and-pillar, block caving, timbered-stope, open-stope, shrinkage-stope, sublevel-stope, and others. Waste removal is proportionately much less in underground than in surface mining, but it still requires surface waste disposal areas.

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  • EnviroGold Global Acquires Gold Tailings Remediation

    2021-4-26  EnviroGold Global (Can) Ltd. (the "Company" or "EnviroGold Global") is pleased to announce it has seized an opportunity to remediate the tailings of a historical mining

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  • (PDF) Management of risks associated to mining

    The paper presents significant aspects regarding risk management related to wastes in the Romanian mining industry. There are studied two subjects of interest: the waste heaps and tailing dams ...

  • Get Price
  • Environmental Strategies in the Mining Industry: One ...

    Mining companies typically are required to obtain environmental permits signifying government approval of various aspects of their mine plans, including those for reclamation, waste disposal, sewage treatment, drinking water, and construction of dams and other impoundments.

  • Get Price
  • Response by Gary Edwards B.Eng, ACSM, MSc. FGS,

    2020-7-23  Response by Gary Edwards B.Eng, ACSM, MSc. FGS, Mining Waste expert at the Environment Agency of England and member of European technical working group on mining waste P1. Complying with this standard will deliver a good understanding of the scale of risk at any

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  • A look at ways of controlling tailings to avoid future ...

    Taking extra care with the parts of a mine’s waste stream that contain environmentally hazardous materials, separating them out for special treatment, is a cost that many mining companies might think not worthwhile, but with the fast-growing concern about the risks and liabilities stemming from conventional TSFs, this is an area of good ...

  • Get Price
  • Mine tailing dams: the giants we ignore at our peril ...

    2021-2-8  An even worse incident occurred in Bulgaria in 1966, when mining waste swamped the town of Zgorigrad. Despite the efforts of the regime in power to minimise the disaster, today the staggering magnitude of the tragedy is well-documented: at least 488 victims. The collapse of tailing ponds killed at least 2900 people in the last century.

  • Get Price
  • Environmentally sustainable mining: The case of

    2016-9-1  Second, as the mining progressed, operating plans were continually modified to deal with unexpected environmental issues. For example, early testing had indicated that a very small proportion of the waste rock was likely to generate acid drainage and that this would be neutralized by the carbonates in the waste.

  • Get Price
  • Challenges of working in mining Anglo American

    2017-12-1  Generally speaking, mining as a whole still lags other industries – petro-chemicals, automotive, nuclear, aerospace, to name a few – in introducing such new technologies. Our focus, therefore, must be on taking the best ideas and applying them to the particular requirements of mining. Winning engineering talent

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  • Garamut News: Collapsing of Mining Waste Tailing

    2019-2-7  Collapsing of Mining Waste Tailing Dam is a lesson not learnt by the Brazilian State and mining companies: Greenpeace By DOM PHILIPS THE GUARDIAN (edited) As many as 200 people are missing after three dams operated by the mining giant Vale collapsed in the Brazilian state of Minas Gerais, releasing a wave of red mining waste and prompting ...

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