Hydrometallurgy | Taylor & Francis Group

Hydrometallurgy | Taylor & Francis Group

is a relatively recent development compared pyrometallurgy. is the first prerequisite of any involves a solution of ammonia. As a rule, the residue from the operation is also treated for …

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  • Hydrometallurgy | Extractive Metallurgy of Molybdenum ...

    Hydrometallurgy | Extractive Metallurgy of Molybdenum ...

    is a relatively recent development compared pyrometallurgy. is the first prerequisite of any involves a solution of ammonia. As a rule, the residue from the operation is also treated for …

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  • HyperLeach Process Shows Promise for Leach-based Recovery ...

    HyperLeach Process Shows Promise for Leach-based Recovery ...

    It also opens up the possibility of heap some sulphide , notably chalcopyrite, the main copper .” HyperLeach is a developed by MetaLeach for the extraction of metals, especially copper, zinc, nickel, cobalt, and rhenium from sulphide …

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  • Leaching in Metallurgy and Metal Recovery

    Leaching in Metallurgy and Metal Recovery

     · One example of a that uses vat is gold cyanidation, the of extracting gold from low-grade . In this , a dilute solution of sodium cyanide NaCN is used to the Au into solution. The concentration is usually 0.01-0.05 % cyanide, or 100-500ppm.

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  • Recovery of Critical Metals From Superalloy Scrap by Matte ...

    Recovery of Critical Metals From Superalloy Scrap by Matte ...

    This takes essentially all the Ni, Co, Cr, Fe, AI, and into solution in a 3-h , leaving W, Ta, Ti, and Nb Cb in the residue. The is recovered from the chloride solution by solvent extraction, and the Cr and Fe are recovered together by precipitation.

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  • Separation of AlIII, MoVI, NiII, and VV from model ...

    Separation of AlIII, MoVI, NiII, and VV from model ...

     · First, was separated from the solution by extraction with D2EHPA and the loaded organic phase was stripped by a mixture of NH 4 OH and NH 4 2 CO 3. Second, the free raffinate was contacted with Aliquat 336‐decanol to separate the vanadium, and then a hydrochloric acid solution was employed to strip vanadium ...

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  • Leaching Mo and Ni by Direct Oxygen Pressure from Black ...

    Leaching Mo and Ni by Direct Oxygen Pressure from Black ...

    The of and nickel from black shale without reagent was investigated. The extraction of and Ni from -nickel by oxygen pressure , which exploit the characteristic of -nickel minerals contain high concentration amorphous sulfide which has highly active, and make the most...

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  • The benefits of one-stop shopping – Outotec ...

    The benefits of one-stop shopping – Outotec ...

     · In addition to our equipment offerings, our portfolio also covers mineral processing equipment, allowing our technology solutions to cover the complete from to metal. The Outotec Cooling Tower – innovative, sustainable technology. Environmentally friendly technology doesn’t need to be costly and inefficient.

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  • WO2018079101A1 - Hydrometallurgical method for nickel ...

    WO2018079101A1 - Hydrometallurgical method for nickel ...

    Provided is a method for a nickel oxide in which, even in the case where a nickel oxide having a high carbon content is to be treated, iron can be efficiently inhibited from , the amount of sulfuric acid used and the amount of a neutralizer used can be reduced, and the energy cost can be effectively reduced.

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  • Leaching characteristics of copper refractory ore in ...

    Leaching characteristics of copper refractory ore in ...

    Refractory copper CROs in central Africa contain copper minerals that are locked up in a micacious solid matrix or associated with carbonate, sulfide and phosphate minerals. Several researchers have reported that the recovery of copper from CRO material by an acid- is not economically feasible, due to the presence of excess gangue-acid-consuming minerals such as calcites ...

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