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·The process exploits the particle size dependence of nickel sulphide flotation and the different ways that pH change and pulp density influence the response of coarse and fine particles Implementation of the new process at Mt Keith has raised nickel recovery by 10%
·in water may form either hydroxo species or precipitates in the flotation pulp when the process pH is altered This may alter the chemical interactions that enable the process This study investigates the interactive effect of plant water ionic strength and pH in the flotation of a sulphidic PGM bearing ore
·The effect of the depressant glucomannan KGM on the depression of talc and the flotation of a nickel copper sulfide ore have been investigated through microflotation batch flotation and
·Semantic Scholar extracted view of "Challenges in processing nickel laterite ores by flotation" by S Farrokhpay et al Process mineralogy of low grade laterite nickel ore in Indonesia was systematically characterized and the beneficiation process of mineral components such as limonite serpentine and chromite was
·Finch 1989 while in other studies they appear to be beneficial to the flotation process Basilio et al 1996; Chen et al 2009; Liu et al 1993 Generally the presence of flotation effluents in process water has been implicated to degrade flotation process however no explicit experimental evidence for this assertion is yet available
·The flotation process is a separation technique primarily used in mineral processing for the recovery of minerals Wills and Finch 2016 that also finds application in other industrial processes such as wastewater treatment and paper recycling Saththasivam et al 2016 Vashisth et al 2011 Separation of mineral particles by flotation takes advantage of the
·DOI / Corpus ID 266660462; Search for new amide class collecting agents and study of their flotation activity in the process of copper nickel ore flotation
·Laboratory flotation tests conducted on ore and process samples showed that pyrrhotite rejection is greatly improved by small additions of DETA; however the effectiveness of this depressant is
·Thornhill Citation 1954 in the original patent for the process in use at the Falconbridge iron ore plant proposed that Na 2 SO 4 improved nickel recovery during sulfation roasting by reacting with nickel ferrite releasing NiSO 4 and by reaction with SO 3 to form sodium pyrosulfate Na 2 S 2 O 7 which is an effective sulfation agent
It is shown that monoalkylamides are more efficient towards nickel containing minerals Flotation tests on a sample of finely disseminated copper nickel ore with copper content of % and nickel content of % have shown that succinic acid monoalkylamide as an independent collector with its own foaming properties and in a mixture with
the flotation recovery of Ni Cu and Co from a nickel copper sulphide ore The effect on flotation performance of various parameters such as pH collector dosage % solids and depressant dosage at
Nickel processing Extraction Refining Alloying The extraction of nickel from ore follows much the same route as copper and indeed in a number of cases similar processes and equipment are used The major differences in equipment are the use of higher temperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel
·In this research a procedure has been devised which rejects much of the pyrrhotite while maintaining the necessary level of talc rejection In batch tests on an ore containing pentlandite pyrrhotite pyrite and talc the procedure rejected 57% of the iron sulphides and 98% of the talc and recovered 81% of the nickel in a concentrate assaying % Ni
·In the conditioner the collectors foamers and pH modifiers are mixed well The rougher stage produces a final concentrate of 26% copper Final relave with a law of % copper and final concentrate of the mill with a 16% copper grade To model the copper ore flotation process an analysis was made on the factors that affect the results
Request PDF On Dec 26 2023 E A Bazarova and others published Search for new amide class collecting agents and study of their flotation activity in the process of copper nickel ore flotation
·The flotation characteristics of a nickel sulphide transition ore are investigated by laboratory tests with regard to two aspects the recovery of magnesia bearing gangue and the depression of
·It was found that the nickel sulphides responded to flotation at pH 9 with PAX and TETA additions and that maximum grades of between 6 to 8% were achieved E Hayes 2009 Factors affecting nickel extraction from the reduction roasting of saprolite ore in the Caron Process In Proceedings of the International Symposium on the
·in Flotation Process FA´BIO DE SA˜O JOSE´ ALAINE MOREIRA IMBELLONI FRANCIELLE CAˆMARA NOGUEIRA and CARLOS ALBERTO PEREIRA Nickel ore dispersion before flotation using different reagents was investigated on a bench scale to improve metallurgical recovery and selectivity The nickel ore had a content of pct nickel and
·Nickel laterite ore accounts for about 70% mostly in the form of oxidized ore deposits near the equator [1 [3][4][5][6] However due to the increasing depletion of nickel sulphide resources
·Farrokhpay and Filipov [15] suggested the use of a dual aggregation and flotation process to concentrate a nickel laterite ore by floc flotation The pre adsorbed collector in the particle surface
·by flotation Measurement made easy — Introduction The flotation process can separate a required mineral such as copper nickel molybdenum or zinc from ore Flotation can separate this mineral from waste materials or from another mineral The process starts with crushed ore A ball mill receives the crushed ore and reduces its particle
·The increasing complexity of ore deposits declining ore grades and higher global demand for copper has resulted in increased ore processing by flotation plants around the world
·The grinding flotation electrorefining process has such disadvantages as metal dispersion complex process flow and low recovery rate This process has not been adopted in the newly emerging hydrometallurgical treatment facilities of high grade nickel matte since the 1970s but it still has industrial application in China Russia and Canada
