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Sodium isobutyl xanthate was used as a collector in this investigation. The mineralogy analysis showed that the samples of the ores contained 0.33 and 2.45% nickel feed grade for ore samples A and B, respectively. Batch flotation tests were performed on the ore samples using two different frothers namely Senfroth XP 200 and 516.
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Introduction. Serpentine ((Mg, Fe) 3 Si 2 O 5 (OH) 4) is a typical magnesium-bearing silicate gangue mineral in nickel sulfide ore, which seriously interferes the flotation enrichment of pentlandite ((Fe, Ni) 9 S 8) (Kusuma et al., 2014).Until now, the microscopic interference mechanism of serpentine towards pentlandite enrichment is …
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The financial benefits from the project were substantial and immediate. The improved recovery increased nickel production by over 6000 t.p.a. for a small increase (A$0.10/t of ore) in operating cost. At the nickel price at the time, the project paid for itself within a month. At longer term nickel prices, the increase in NPV was over A$300 million.
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To support the transformation to clean low carbon technologies, there is a demand for critical metals such as nickel. Awaruite is a less common nickel-bearing mineral with unique properties and responses to mineral separation. This paper presents the findings of a flotation study to recover awaruite from the Baptiste ultramafic …
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In our study we investigated a refractory copper-nickel sulfide ore separation by using a cyclonic-static micro-bubble flotation column (FCSMC). The process mineralogy of the main products was studied. ... The study of flotation scale-up is crucial for the optimisation of industrial plant performance and the maximisation of laboratory-scale ...
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After flotation, the Cu and Ni enrichment ratios of the flotation concentrate increased by 0.3 and 0.2, respectively. Meanwhile, their corresponding recoveries increased by 4.2% and 3.1%. This study provides new insights for the treatment of copper–nickel sulfide ore to enhance the grinding and flotation process.
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This study investigates the characterization of Fanibi Laterite and the efficiency of froth flotation to beneficiate nickel from its host rock sourced in Akure, Ondo State, Nigeria.
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Most of the world's nickel is extracted from the mineral pentlandite, (Ni, Fe)9S8, which frequently occurs in ores containing predominantly pyrrhotite and various non-sulRdes, some of which contain magnesium (Table 1). The nickel content in such sulRde ores is generally low (0.2}3%) and varies from place to place in the same deposit. The low …
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The ore sample used in this study is of high nickel grade (1.35%). Approximately 96% of the nickel in the ore is in the form of pentlandite and may be recovered by true flotation. The remaining 4% of nickel is distributed in non-sulphide minerals, which may only be recovered by the entrainment mechanism or as composites …
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The authors present experimental data on synthesis of new flotation agents, based on the renewable vegetal resource, and their applicability to floating copper-nickel ores. It is verified experimentally that the new flotation agents efficiently improve extraction of copper minerals.
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Semantic Scholar extracted view of "Nickel and Cobalt Ores: Flotation" by G. Rao. Skip to search form Skip to main ... The effects of cations stress of magnesium ion and sodium ion on the low-grade nickel sulfide ore oxidative leaching in simulated sulfuric acid solutions were investigated. ... Fundamental study on the flotation of garnierite ...
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This type of sulfide ore is very rich in clay-type minerals, mainly talc, the removal of which is of utmost importance. This study was an attempt to maximize talc removal from talc-bearing copper-nickel sulfide ore by using sodium phytate as a talc inhibitor. A series of experimental (microflotation on single and mixed minerals, batch …
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Laterite ore is a valuable resource due to its high content of metals essential for modern technology, including nickel, iron, and cobalt. However, extracting nickel from laterite ores is challenging due to their complex mineral composition and low nickel concentrations. This study examined the leaching behavior of pre-roasted laterite ore …
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EXPERIMENTAL DETAILS . Pyrrhotite samples in this study were sourced from the 100 ore body at the Sudbury Copper Cliff North (CCN) mine in Canada by Vale INCO personnel and by handpicking pyrrhotite
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In this study, upgrading nickel by flotation in three laterite ore samples, limonite, saprolite and intermediate, from different geology zones, was investigated. It …
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The present study initially investigates the kinetics of microwave-assisted grinding and flotation in a porphyry copper deposit. Kinetic tests were conducted on untreated and microwave-irradiated samples by varying the exposure time from 15 to 150 s. Optical microscopy, energy-dispersive X-ray spectroscopy, and scanning electron …
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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 …
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The purpose of this study therefore, was to determine the effect of different frothers in the flotation of low grade nickel sulphide obtained in South Africa. Sodium isobutyl Xanthate was used as ...
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1.Introduction. Serpentine ((Mg, Fe) 3 Si 2 O 5 (OH) 4) is a typical magnesium-bearing silicate gangue mineral in nickel sulfide ore, which seriously interferes the flotation enrichment of pentlandite ((Fe, Ni) 9 S 8) (Kusuma et al., 2014).Until now, the microscopic interference mechanism of serpentine towards pentlandite enrichment is …
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The study agent modes imply the use of PTTC, being a component of modified xanthate and providing 6–7% increase in recovery of copper, nickel, and PGM in flotation of the low-sulfide ...
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Highlights High temperature experiments demonstrated that selective sulphidation is feasible. Sulphides were submicron in size but could be physically upgraded. Nickel sulphides responded to flotation and grades of 6–8% were achieved. Low nickel grade was due to fine particle entrainment. Low nickel recovery was due to issues with …
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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 …
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In this study, the effect of purifying the nickel concentrate thickener overflow water with DAF on the metallurgical performance of nickel flotation was investigated. …
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This therefore calls for a continual characterisation and optimisation of flotation parameters such that concentrator performance as a whole is always maintained. In this study, the robust Taguchi experimental design method was used to determine the optimum conditions for the flotation of nickel, copper and cobalt from a nickel-copper sulphide ore.
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References [1] Ma Z L. Study on the Separation of Jinchuan Nickel Ore in Shorten Process by Column Flotation. Xuzhou: China University of Mining and Technology Press, 2009. (In Chinese) [2] Shi J Z. Study on general flotation process for Jinchuan copper-nickel ores. Mining & Metallurgy, 2000, 9(4): 28–31.
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addition on flotation performance of a nickel sulphide ore. The objectives of the study were to: 1. develop an understanding of the effects of collector and …
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Selective flocculation can help to enhance flotation performance of laterite ore. The challenges in processing nickel laterite ores using flotation process were …
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The flotation of magnetic and non-magnetic pyrrhotite from selected nickel ore deposits ... smelter feed and reduce SO 2 emissions. In this study, the effect of different pyrrhotite flotation rejection strategies (artificial oxidation and TETA: SMBS addition) are evaluated on a magnetic (Ore A) and non-magnetic (Ore B) pyrrhotite ore to ...
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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 0.8 pct nickel ...
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The nickel content in such sulRde ores is generally low (0.2}3%) and varies from place to place in the same deposit. The low nickel content of the present-day nickel sulRde ores …
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This study investigates the characterization of Fanibi Laterite and the efficiency of froth flotation to beneficiate nickel from its host rock sourced in Akure, …
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A South American nickel mine has been producing a nickel concentrate that also contains copper and iron (15 percent nickel, 5 percent copper, 28 percent iron) for the end use of stainless steel production. A critical specification for the quality of the steel is the iron to magnesium oxide ratio (Fe:MgO), with a ratio of below 3.5:1 having a substantial …
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In this paper, the flotation behaviour of nickel-copper ores processed in the Sudbury area is discusse~ with emphasis on the effect of oxidation on individual minerals, pnmarily pyrrhOlite. In general, moderate oxidation of a freshly ground ore promotes the flotability of all principal sulphides in the ore leading to a bulk flotation concentrate.
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In anticipation of future demands, a comprehensive understanding of the chemical and mineralogical characteristics of nickel-bearing minerals is a prerequisite to devising effective nickel beneficiation methods. Of particular importance are markers in the mineralogy of the flotation concentrate that inform beneficiation strategies to improve …
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Several nickel processing operations have practiced hydrometallurgical processing of nickel sulfide flotation concentrates or whole ore at commercial scale and these are summarized in Table 4. It can be seen in Table 4 that there is wide variability in terms of the feedstocks processed, finished nickel products and leaching technology …
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The latter may be problematic when intergrown inclusions of pentlandite or nickel in solid solution are present (Rao, 2000). Rejecting hexagonal pyrrhotite may be achieved by (i) staged flotation ...
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