serpentine flotation concentrate

MINING

FLOTATION BEHAVIOR OF SUDANESE CHROMITE ORES

chromite and serpentine. Olivine iron oxides and talc have been identified as minor minerals. Adequate degree of liberation of chromite was obtained by grinding the ore to minus 180µm. Froth flotation was used to upgrade this chromite ore. Oleic acid was used as collector. Several operating parameters influencing the

The flotation separation of galena and pyrite using ...

So the flotation separation of fine grained galena and pyrite can be achieved. A concentrate with Pb grade of 65.09% and recovery of 67.72% can be achieved in the mixed minerals flotation when serpentine was added as depressant. Mechanism studies indicated that serpentine particles attach to the surface of pyrite more easily.

The Effect of Sodium Alginate on Chlorite and Serpentine in ...

chlorite serpentine has a 1:1 layer structure. When serpentine dissociates the magnesia octahedral layer breaks and there are many Mg–O bonds exposed on the surface. Due to the transfer of –OH from the serpentine surface to the slurry in preference to Mg2+ the surface of the serpentine is positively charged [1617].

Xiaolong Zhang's research works | Northeastern University ...

Serpentine a typically magnesium phyllosilicate gangue mineral is often associated with chalcopyrite. In the process of flotation serpentine is easy to get into the concentrate together with ...

v115n8a4 Effects on entrainment of serpentines by hydrophobic ...

Serpentine minerals which have the generalized composition (MgFe)3Si2O5(OH)4 can be easy to crush and grind due to their convoluted and bent layered structures. These serpentines can hinder the enrichment of some metallic minerals and dilute their concentrates by entrainment during flotation.

(PDF) Flotation of chromite and serpentine

In the process of flotation serpentine is easy to get into the concentrate together with useful minerals which seriously affects the quality of concentrate products.

Copper Flotation - Mineral Processing & Metallurgy

In some cases the concentrate from the first three or four rougher flotation cells can be sent directly to cleaning without regrinding. After the rougher flotation concentrate is reground it is cleaned twice in additional “Free-Flow” Flotation Machines with the recleaned concentrate going to final concentrate filtration or as the ...

Flotation of chromite and serpentine - ResearchGate

Flotation of chromite and serpentine ... The obtained results in the concentrate were expressed as flotation recovery (R %) in the normal manner. 3. Results and discussion 3.1. Anionic flotation

The Effect of Sodium Alginate on Chlorite and Serpentine in ...

The flotation results showed that sodium alginate could simultaneously depress the flotation of chlorite and serpentine effectively but seldom influenced the floatability of chalcopyrite at pH 9. In the ternary mixture flotation a concentrate with a Cu grade of 31% could be achieved at Cu recovery of 90%.

Flotation of chromite and serpentine - ScienceDirect

Flotation recoveries of minerals differ significantly at pH values 6–10 with the best difference around pH 8. At the peak value of pH 8 it seems possible to concentrate chromite from serpentine gangue. The effect of collector concentration on minerals flotation at pH 8 is performed in Fig. 5 b.

Flotation of Chromite Ore

Flotation of a gravity concentrate containing 40.9 percent Cr2O3 and 4.4 percent SiO2 recovered 90 percent of the chromite in cleaner products containing 44.9 percent Cr2O3 and 0.63 percent SiO2. The combined recovery by gravity and flotation was 87 percent.

v115n8a4 Effects on entrainment of serpentines by hydrophobic ...

smelters. Since the quality of nickel flotation concentrate depends heavily on its MgO content (generally less than 6–7% for No.1 or 2 grade nickel concentrate according to the standard requirement from National Non-ferrous Industry) reducing the entrainment of serpentine during flotation is becoming more and more pressing. Previous research has

Geometallurgical Modeling of the Dumont Deposit

(consisting of rougher and cleaner flotation stages). Concentrate will be thickened filtered and stockpiled on site prior to being loaded onto railcars or trucks for transport to third-party smelters. The slimes flotation tailings magnetic separation tailings and awaruite rougher tailings will be combined and thickened before TSF placement.

A novel method to limit the detrimental effect of serpentine ...

Large amounts of serpentine in the flotation concentrate reduces the effectiveness of smelting often resulting in the imposition of smelter penalties on mineral processing companies [2]. ...

Leachox™ Process for flotation concentrates | Maelgwyn ...

Whilst the installation is similar to that used for pre-oxidation or Aachen assisted leaching in the Leachox process the flotation concentrate is pumped through the reactor multiple times perhaps as many as 30 passes in contrast to 1-2 passes for the pre-oxidation role .Depending upon the mineralogy ultrafine grinding of the flotation concentrate may be required prior to cyanidation

Enhancing flotation separation of chalcopyrite and magnesium ...

It will enter the concentrate product along with the foam during the flotation process affecting the concentrate grade 8 9 10 11. In the flotation process of Copper-Nickel Sulfide Ores...

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