flotation of cu and ni

flotation of cu and ni - supremewheels.co.za

Cu(II) and Ni(II) activation in the flotation of quartz, lizardite and . Apr 4, 2005 Chlorite and lizardite are often the major MgO silie gangue minerals in nickel ores. Although hydrophilic, they nevertheless report to the concentrate as fine particles by entrainment or as locked in composite particles with sulphide minerals. In this study, we ...

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US7004326B1 - Arsenide depression in flotation of multi ...

A mineral separation process includes wet-grinding the ore to liberation of minerals, oxidizing the slurry using air, hydrogen peroxide or other oxidants and floating the valuable minerals at a pH between about 9.0 and 10.0 with a xanthate as collector, and a combination of a polyamine and a sulfur containing species as depressants for arsenide minerals.

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Leaching of Trace Amounts of Metals from Flotation ...

Oct 25, 2018· In this work, cupric chloride leaching was applied to dissolve Au, Cu, Co, Ni, and Zn present at low-grade flotation tailings. In order to support the use of this waste fraction as a raw material, grinding pre-treatment process was applied. One hundred twenty minutes of grinding was shown to provide raw material with p80 value of 21 μm. The ...

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Froth flotation - Wikipedia

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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MEI Blog: Flotation '17 Conference Diary - Barry A. Wills

Nov 27, 2017· Hot on the heels of the FL SuperCell is Outotec's forced-air TankCell® e500 flotation cell, which was installed in 2014 at Kevitsa Cu-Ni-PGE concentrator as the first cell in the Cu rougher scavenger bank. After commissioning of the 500 m3 flotation cell the metallurgical and gas dispersion performance of the cell were investigated.

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Arsenic Rejection in the Flotation of Garson Ni-Cu Ore

With a flow sheet consisting of a magnetic separation, rougher- scavenger flotation, followed by regrinding and cleaning of combined magnetic and scavenger concentrate, the arsenic recovery to the final Cu-Ni bulk concentrate was reduced from 73 per cent in baseline test to less than 30 per cent with either reagent suite at no decrease in ...

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A review of the physicochemical properties and flotation ...

A review of the physicochemical properties and flotation of pyrrhotite superstructures (4C – Fe 7 S 8 / 5C – Fe 9 S 10) in Ni‐Cu sulphide mineral processing Ravinder S. Multani. Department of Mining and Materials Engineering, McGill University, 3610 University, Montréal, QC, H3A 0C5, Canada.

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Method for improving selectivity and recovery in the ...

Jul 12, 2016· After flotation, the concentrate and tailings waters from each test were collected and analyzed for residual DETA, Cu and Ni. The results of the analyses are summarized in Table 9. The decreased residual levels of DETA, Cu and Ni obtained with the use of the new mixture of D-912, DETA and Na 2 SO 3 can clearly be seen.

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Chapter 6 Copper Production Technology

Chapter 6 Copper Production Technology The last boomin technological innovation for the copper industry occurred in the first two dec-ades of this century, whenopen pit mining, flo- tation concentration,and the reverberatory

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Electroflotation Studies on Cu, Ni, Zn, and Cd with ...

The concentration of Cu, Ni, Zn, and Cd ions by electroflotation using the ammonium salt of dodecyl dithiocarbamic acid as an anionic collector is examined. Quantitative studies reveal better separation efficiency by this method as compared to column flotation using dodecyl dithiocarbamic acid ...

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The effect of triethylenetetraamine (Trien) on ... - DeepDyve

Feb 15, 2003· The effect of triethylenetetraamine (Trien) on the ion flotation of Cu 2+ and Ni 2+ The effect of triethylenetetraamine (Trien) on the ion flotation of Cu 2+ and Ni 2+ Doyle, Fiona M.; Liu, Zhendong 2003-02-15 00:00:00 Ion flotation is a separation process involving the adsorption of a surfactant and counterions at an air/aqueous solution interface.

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Flotation of Nickel and Nickel–Copper Ores - kundoc.com

The flotation of copper during the treatment of copper–nickel ores does not represent any problem and copper recovery in the bulk Cu–Ni usually exceeds 90% Cu. Bulk flotation of copper and nickel is standard practice in many operating plants treating copper–nickel ore.

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Copper activation option for a pentlandite–pyrrhotite ...

May 30, 2016· Introduction. Different sulphide ores respond differently in the prospect of copper activation to thiols for froth flotation. With the BCL Selebi-Phikwe ore body, pentlandite–pyrrhotite–chalcopyrite co-occur and there is the constraint of fine pentlandite dissemination in the pyrrhotite, so that liberation is limited.

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Jing Liu - Jr. Metallurgist - SGS | LinkedIn

About. 8 years of diverse mineral processing education and experience, from 2+ years plant experience in a Cu/Mo mine to 1+ year managing an academic research group for Ni-Cu sulfide flotation for ...

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Co 397 124 ore Ni 375 70 Element Copper tailings ...

Ni Zn Mo Ag Cd Sb U Th LREE HREE V Cu Fe Pb Recovery [%] Recovery of metals from flotation tailings by using different acids and conditions 1.5M HNO3, 24h 1M citric, 48h 2M CH3COOH, 48h Fig.8 0 10 20 30 40 50 60 70 80 90 100 Co Ni Zn Mo Ag Cd Sb U Th LREE HREE V Cu Fe Pb Recovery [%] Recovery of metals from flotation tailings by using H 2 SO 4 ...

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US4460459A - Sequential flotation of sulfide ores - Google ...

A sequential flotation process for the recovery of high-grade concentrates of copper, lead and cobalt-nickel from sulfide ores is provided. A primary grind ore pulp is conditioned with SO 2 as H 2 SO 3 under intense aeration, and the conditioned pulp subjected to sequential flotation, with regrinding and conditioning of a copper rougher concentrate obtained in the first flotation step for copper.

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Chapter 16: Flotation of Nickel and Nickel Copper Ores ...

There are more than 45 different nickel minerals, but only a few are of economic importance. Table 16.1 lists some of the most important nickel minerals. Nickel, in various ores can also be found in other minerals, such as pyrrhotite and various cobalt minerals as an exsolution in isomorphic phases ...

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Metallurgical Performance of Outotec's e500 TankCell® at ...

An Outotec e500 TankCell, with 500 m³ of actual flotation volume, was commissioned at the Kevitsa Cu-Ni-PGE concentrator in northern Finland during 2014. This flotation cell was implemented at the head of the existing copper circuit as the first Cu rougher flotation cell.

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MgO Depression in Ci-Ni Flotation - Froth Flotation ...

Tell me how to get rid or depress and reduce MgO in the Cu / Ni ores flotation? Using reagents company Cytec, but MgO 22-24%. Tell me how to get rid or depress and reduce MgO in the Cu / Ni ores flotation? Using reagents company Cytec, but MgO 22-24% ... Froth Flotation (Sulphide & Oxide) robertd 2017-04-04T06:57:31-04:00.

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Cu(II) and Ni(II) activation in the flotation of quartz ...

In addition, gangue minerals, such as chlorite, lizardite, and quartz, can be activated with Cu 2+ and Ni 2+ and floated with xanthate in the pH range from 7 to 10 [12]. Metal ions and the ...

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Flotation of Nickel and Nickel–Copper Ores - PDF Free Download

The flotation of copper during the treatment of copper–nickel ores does not represent any problem and copper recovery in the bulk Cu–Ni usually exceeds 90% Cu. Bulk flotation of copper and nickel is standard practice in many operating plants treating copper–nickel ore.

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flotation of ni-sulphides - greenrevolution.org.in

flotation of ni-sulphides Differential flotation of chalcopyrite, pentlandite and pyrrhotite in Ni ... A new method for the treatment of Ni-Cu sulphides ores from the Sudbury region by differential flotation …

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An overview on the surfactants used in ion flotation ...

Jul 15, 2019· More recently, dodecyl diethylenetriamine (Ddien) was used as a chelating surfactant in ion flotation of Co(II), Ni(II) and Cu(II). The effect of triethyleneteraamine as chelating ligand on the ion flotation of Cu(II) and Ni(II) was studied. The results showed that the recovery of ions increased by adding chelating ligand [33,34].

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(PDF) A Review of the Flotation of Copper Minerals

Flotation of sulphidic and oxidic copper minerals is reviewed, with particular reference to previous studies of refractory copper ore flotation. Discover the world's research 15+ million members

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Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

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 different levels was investigated. Therefore, the main objective of the study was to optimize the process

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The effect of triethylenetetraamine (Trien) on the ion ...

The objective of this work was to assess the effect of Trien on the ability to separate copper (a model heavy metal contaminant) and calcium (present in many natural waters) and compare the ion flotation behavior of the simple Cu 2+ and Ni 2+ aquo ions with the behavior of the Cu Trien 2+ and Ni …

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Differential Flotation of Chalcopyrite, Pentlandite and ...

Jul 18, 2013· AbstractA new method for the treatment of Ni–Cu sulphides ores from the Sudbury region by differential flotation is presented. The method exploits the ease of chalcopyrite floatability in complete or virtual absence of collector, but in the presence of sulphur dioxide, an effectivecomplexing agent such as diethylenetriamine (DETA) and a frother.

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Cu(II) and Ni(II) activation in the flotation of quartz ...

Apr 04, 2005· Read "Cu(II) and Ni(II) activation in the flotation of quartz, lizardite and chlorite, International Journal of Mineral Processing" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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Development of a Combined Flotation and High Pressure ...

The flotation experiments were performed in a 0.5 L mineral separator (MS) type laboratory flotation cell to upgrade recoveries of Cu and Ni (bulk flotation) from mine tailing. In flotation tests, an appropriate weight of the mine tailing sample was poured into 500 mL of water to prepare slurry/feed with different

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Froth Flotation Research Papers - Academia.edu

View Froth Flotation Research Papers on Academia.edu for free. ... of SiBX. The improved recoveries for PGE, Cu, and Ni are correlated with improvements in the flotation kinetics of their slow-floating components. Save to Library. Download. by ... Distribution of Sb minerals in the Cu and Zn flotation of Rockliden massive sulphide ore in north ...

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