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tailings    音标拼音: [t'elɪŋz]
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  • Tailings - Wikipedia
    In mining, tailings or tails are the materials left over after the process of separating the valuable fraction from the uneconomic fraction (gangue) of an ore Tailings are different from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without being processed
  • What are Tailings - Society for Mining, Metallurgy Exploration
    Who Regulates Tailings Storage? All modern tailings facilities must submit and obtain local, state and federal regulatory approval of an operating, closure and remediation plan Tailings management during mine operation and afterward are the responsibility of mining companies Government agencies regulate tailings and set minimum design standards
  • Tailings. info What Are Tailings? - Their nature and production
    Tailings consist of ground rock and process effluents that are generated in a mine processing plant Mechanical and chemical processes are used to extract the desired product from the run of the mine ore and produce a waste stream known as tailings This process of product extraction is never 100% efficient, nor is it possible to reclaim all reusable and expended processing reagents and
  • What Are Mining Tailings? - The Institute for Environmental Research . . .
    What Are Mining Tailings? Understanding the Environmental Legacy of Resource Extraction Mining tailings are, simply put, the waste materials left over after the valuable minerals have been separated from the ore These finely ground materials, a slurry of rock, water, and process chemicals, represent a significant and often problematic byproduct of modern mining operations
  • Tailings storage facilities, failures and disaster risk - Nature
    Mine tailings are voluminous and often toxic wastes, whose management is a global safety and sustainability challenge This Review summarizes the major tailings storage facility disasters and
  • Mine Tailing - an overview | ScienceDirect Topics
    Mine tailings are defined as waste materials that remain after the processing and separation of valuable fractions of an ore, typically consisting of fine mineral particles mixed with water These tailings are generated in significant quantities, estimated at 5–7 billion tonnes per year globally
  • About Tailings - Global Tailings Review
    About Tailings What are tailings? Tailings is a common by-product of the process of extracting valuable minerals and metals from mined ore They usually take the form of a liquid slurry made of fine mineral particles, created as mined ore is crushed, ground and processed Effective tailings management is integral to the safe and sustainable production of metals and minerals Tailings can be
  • What are Tailings?
    Tailings are generally contained in some type of impoundment, which is buttressed by a tailings dam This paper is a brief introduction to methods used in storing tailings in engineered containment systems
  • What are tailings storage facilities | BHP
    Tailings are the left-over materials from the processing of mined ore They consist of ground rock, unrecoverable and uneconomic metals, chemicals, organic matter and effluent from the process used to extract the desired products from the ore
  • Tailings - Earthworks
    Tailings are the waste materials left after the target mineral is extracted from ore They consist of crushed rock; water; trace quantities of metals such as copper, mercury, cadmium, zinc; and additives used in processing, such as petroleum byproducts, sulfuric acid and cyanide





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