Recovery of valuable metals from mining and mineral processing waste
نویسندگان
چکیده
منابع مشابه
Recovery of precious metals from waste streams
As there is a high potential for microbe-based technologies to bring the recovery of metals from waste streams to an ecologically friendly and financially reasonable level, it is worth to invest efforts into the advancement of these biotechnologies in the future.
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Cyanide-bearing waste water from'gold mining is usually decontaminated by oxidation so that the dissolved metals are precipitated as hydroxides. The disadvantages of this method are high consumption of chemicals and the formation and liberation of toxic compounds. Various bacterial and fungal strains capable of degrading cyanides or having a high potential for metal adsorption were isolated fro...
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The IFRS Interpretations Committee (the Committee) has finally issued its Interpretation on accounting for waste removal costs IFRIC Interpretation 20 – Stripping Costs in the Production Phase of a Surface Mine (the Interpretation). This Interpretation is effective for annual periods beginning on or after 1 January 2013. Entities will be required to apply its requirements for production phase s...
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Today coal is among the most important energy sources. In order to meet the world's energy demands, low-calorie lignite with a high ash content is generally used in the large capacity coal-fired thermal power plants. As a result of coal firing, wastes such as fly ash, slag, and flue gas are also produced. Subsequently, toxic trace elements within coal are transferred to wastes such as slag, fl...
متن کاملIon Exchange Recovery of Metals from Waste Water of Complex Sulfide Hydrometallurgy
Mijangos, F. and Diaz, M., 1990. Ion exchange recovery of metals from waste water of complex sulfide hydrometallurgy. Hydrometallurgy. 23: 365-375. The treatment by ion exchange ol' waste water from comples sulfide hydrometallurgy has Iwen studied. Several commercial resins have been tested for a range of pH in solution. The equilibrium results with an iminodiacetic resin for the multicomponent...
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ژورنال
عنوان ژورنال: E3S Web of Conferences
سال: 2020
ISSN: 2267-1242
DOI: 10.1051/e3sconf/202021102009