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A method of concentrating nickel sulfide ores by flotation which comprises subjecting the ore in the form of a pulp to a flotation process in the presence of an effective quantity of a flotation collector comprising a dithiocarbamate compound corresponding to the formula ##SPC1## Wherein X is oxygen or sulfur and R is hydrogen or a hydrocarbon radical containing from 1 to 10 carbon atoms; R 1
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The froth flotation is proposed as a concentrating process to increase the Nickel content in the lateritic deposits. ... and flotation process to concentrate a nickel laterite ore by floc
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Flotation is the main beneficiation method when processing copper sulfide nickel ore, and magnetic separating and gravity separating are the commonly auxiliary methods. [Application]: Nickel ore beneficiation can be applied to process copper nickel ore accompanied by pyrite and other gangue or nickel oxide ore
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2018-6-1 · The best flotation result was for the S ore sample where nickel upgraded from 3.0% up to 4.2% (i.e. by 40%) at around 70% when HDMA was used. This is considerably better than nickel flotation grade and recovery data reported in the literature for this type of ores (i.e. saprolite) . Based on these data, the best condition to upgrade nickel in
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Processing such flotation concentrate by hydrometallurgical routes for nickel extraction need to be explored besides attempting Caron process in view of the potential recovery feasibility of fine
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2012-12-1 · The nickel grade versus recovery curves are shown in Fig. 4. It can be seen that with the increase of nickel recovery, the grade of nickel decreased. The High Intensity Conditioning method produces a vastly superior nickel grade-recovery relationship. These results confirm that the use of HIC improves the flotation performance of this ore greatly
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2021-8-9 · In cases such as the Sudbury deposit, where the copper content of the ore is almost equal to that of nickel, the concentrate is subjected to a second selective flotation whereby the copper is floated to produce a low-nickel copper concentrate and a separate nickel concentrate
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2020-9-24 · The flotation of copper-nickel ore has the following four basic processes. Directly use priority flotation or partial priority flotation process: When the copper content in the ore is much higher than the nickel content, this process can be used to select copper into a separate concentrate. The advantage of this process is that copper
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2010-4-24 · Nickel sulfide ores undergo flotation (differential flotation if Ni/Fe ratio is too low) and then are smelted. After producing the nickel matte, further processing is done via the Sherritt-Gordon process. First copper is removed by adding hydrogen sulfide, leaving a concentrate of only cobalt and nickel. Solvent extraction then efficiently
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Image: Nickel Ore Dryer. Some novel processes may employ pelletizing at this stage of the process, where drying also facilitates pulverization of the ore in preparation of processing on a disc pelletizer.. Pelletizing may also be used as a means of reintroducing recycle to the process
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2021-8-9 · Gold processing - Gold processing - Mining and concentrating: The nature of the ore deposit determines the mining and mineral processing techniques applied. Oxide ore deposits are frequently of such low grade (e.g., 3 to 10 parts per million) that
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