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pyrite flotation test

pyrite flotation test

Flotation of Pyrite - 911metallurgist

2017-5-3 · In test No. 63, using Pentarco No. 400 and sodium silicate, there is a decided differential flotation effect, giving high copper and zinc recoveries with low recovery of

Effects of Pyrite Texture on Flotation Performance of ...

2021-10-18 · Pyrite particles, having framboidal/altered texture, are known to significantly affect pulp chemistry and adversely affect flotation performance. Therefore, the main objectives of this study were to demonstrate influence of pyrite mineralogy on the flotation of copper (sulphidic) ores and develop alternative conditions to improve the performance.

Flotation Behavior of Arsenopyrite and Pyrite, and Their ...

To examine the flotation behavior of each mineral by pH change, flotation was carried out at pH 4 and pH 10. The test results showed arsenopyrite had higher floatability at pH 4, regardless of the potassium ethyl xanthate (PEX) concentration. This is because xanthate ion was oxidized to be stable dixanthogen, which was well adsorbed onto ...

The Flotation of Pyrite using Xanthate Collectors

2020-12-8 · The flotation properties of pyrite were found to be significantly influenced by va~iations in the pH. In acidic solutions the pyrite floatability is very high, and recoveries of 95% could be achieved using only a frother. A sharp decrease in floatability was observed in alkaline ...

Selective flotation of chalcopyrite from pyrite using ...

Flotation results showed that the selective flotation of pyrite from galena can be achieved under the preferred reagent scheme, i.e., 400 g/t chitosan (10 kDa), 1600 g/t ethyl xanthate, and 100 g ...

Thiocarbonate collectors in pyrite flotation ...

2012-6-18 · collectors are very effective for the flotation of copper sulfide minerals and POM (platinum group metal) sulfide minerals. More recently, the TIC collectors were evaluated for auriferous pyrite recovery in bench­ scale plant scale flotation testing in the United States and in plant tests at Anglogold in South Africa. TIC

Flotation kinetics and thermodynamic behavior of ...

2018-6-27 · behavior of chalcopyrite and pyrite. In the flotation test, SBX with a concentration of 0.1 mol·m-3 was used as collector, H 2 SO 4 and NaOH or lime were used as pH regulators, and 1×104 mg·m-3 of 2# oil was used as the frother. 2 4 6 8 10 12 20 40 60 80 100 y >& % >' pH + – + and

Influences of collector DLZ on chalcopyrite and pyrite

2010-3-30 · 2.2 Flotation test Before flotation test, the mineral sample of 2.0 g was put into a beaker (100 mL) and treated to clean the surface for 5 min using supersonic cleaner. Flotation of the minerals was carried out in flotation machine with a cell of total pulp volume of

New insights related to the flotation of covellite in ...

Hallimond tube tests were carried out using a modified Hallimond-type flotation cell (see Figure S1).The operational parameters in these experiments were as follows: 150 mL cell volume, 1 g of mineral (pure covellite and/or pyrite) per test, nitrogen flow rate (N 2 = 33 mL/min), magnetic stirring between 1000 and 1200 rpm, and a flotation time of 3 min.

Flotation Reagents - Mineral Processing & Metallurgy

2016-6-8 · The ore testing Laboratory of 911metallurgist, in the selection of reagents for the flotation of various types of ores, uses that combination which gives the best

Flotation Behavior of Arsenopyrite and Pyrite, and Their ...

To examine the flotation behavior of each mineral by pH change, flotation was carried out at pH 4 and pH 10. The test results showed arsenopyrite had higher floatability at pH 4, regardless of the potassium ethyl xanthate (PEX) concentration. This is because xanthate ion was oxidized to be stable dixanthogen, which was well adsorbed onto ...

Selective flotation of chalcopyrite from pyrite using ...

Flotation results showed that the selective flotation of pyrite from galena can be achieved under the preferred reagent scheme, i.e., 400 g/t chitosan (10 kDa), 1600 g/t ethyl xanthate, and 100 g ...

Thiocarbonate collectors in pyrite flotation ...

2012-6-18 · collectors are very effective for the flotation of copper sulfide minerals and POM (platinum group metal) sulfide minerals. More recently, the TIC collectors were evaluated for auriferous pyrite recovery in bench­ scale plant scale flotation testing in the United States and in plant tests at Anglogold in South Africa. TIC

The Flotation of Pyrite using Xanthate Collectors

2020-12-8 · The flotation properties of pyrite were found to be significantly influenced by va~iations in the pH. In acidic solutions the pyrite floatability is very high, and recoveries of 95% could be achieved using only a frother. A sharp decrease in floatability was observed in alkaline ...

Influences of collector DLZ on chalcopyrite and pyrite

2010-3-30 · 2.2 Flotation test Before flotation test, the mineral sample of 2.0 g was put into a beaker (100 mL) and treated to clean the surface for 5 min using supersonic cleaner. Flotation of the minerals was carried out in flotation machine with a cell of total pulp volume of

Effect of Collector Type and Blends on Mixed Pyrite and ...

2020-8-21 · flotation test. Flotation was performed at pH 6.4 after 30 mins conditioning in air. Following conditioning, SIBX and DTP in varying ratios (80:20, 50:50, 20:80) minerals as shown in Figurewere added to the pulp for 5 minutes followed by MIBC addition for 2 mins. Flotation was carried out for 10 mins using an air

Pyrite depressant useful in flotation separation ...

1997-6-17 · The present invention relates to a process for separating pyrite from sulfide ores and coal during flotation separation which comprises the depression of pyrite with from about 0.125 to 1.250 pounds per ton of 2-S thironium-ethane sulfonate (IESA) as a pyrite depressant. The aforementioned depressant is surprisingly effective in pyrite removal ...

THE INFLUENCE OF CYANIDE SALTS AND FERROUS

2016-5-17 · /NaCN) on pyrite flotation was investigated. Tests covered the frothless flotation of pyrite under different concentrations of depressants at various solution pH’s with potassium butyl xanthate (KBX) as collector. Flotation test results have shown that NaCN, and even more the combination of reagents FeSO 4

Effect of pyrite type on the electrochemistry of ...

2018-10-4 · Pyrite is highly floatable and readily enters the flotation concentrates, diluting the grade of valuable products. In addition, it is well known pyrite interacts with other base metal sulphide minerals, such as chalcopyrite. Such interactions are thought to boost pyrite floatability due

BATCH FLOTATION TEST FOR ORE CHARATCERIZATION

2017-3-6 · According to the mass balance results (Wightman, 2010), the copper recovery in Cu Rougher concentrate is about 72 %, i.e. 28 % of copper is lost to pyrite flotation circuit. The test results given in Figure 3.15, on the other hand, showed that 5 g/t extra collector addition to Cu Rougher Tail will increase the recovery in copper rougher section ...

The Flotation of Pyrite using Xanthate Collectors

2020-12-8 · The flotation properties of pyrite were found to be significantly influenced by va~iations in the pH. In acidic solutions the pyrite floatability is very high, and recoveries of 95% could be achieved using only a frother. A sharp decrease in floatability was observed in alkaline ...

Thiocarbonate collectors in pyrite flotation ...

2012-6-18 · collectors are very effective for the flotation of copper sulfide minerals and POM (platinum group metal) sulfide minerals. More recently, the TIC collectors were evaluated for auriferous pyrite recovery in bench­ scale plant scale flotation testing in the United States and in plant tests at Anglogold in South Africa. TIC

Selective flotation of chalcopyrite from pyrite using ...

Flotation results showed that the selective flotation of pyrite from galena can be achieved under the preferred reagent scheme, i.e., 400 g/t chitosan (10 kDa), 1600 g/t ethyl xanthate, and 100 g ...

Effect of Collector Type and Blends on Mixed Pyrite and ...

2020-8-21 · flotation test. Flotation was performed at pH 6.4 after 30 mins conditioning in air. Following conditioning, SIBX and DTP in varying ratios (80:20, 50:50, 20:80) minerals as shown in Figurewere added to the pulp for 5 minutes followed by MIBC addition for 2 mins. Flotation was carried out for 10 mins using an air

US5853571A - Pyrite depressant useful in flotation ...

The present invention relates to a process for separating pyrite from sulfide ores and coal during flotation separation which comprises the depressing of pyrite with from about 0.05 to 0.75 kilograms per ton of concentrate solids using a pyrite depressant compounds selected from the group consisting of R1, R2, R3 N.sup.+ O.sub.2 H.sub.4 SR4X.sup.-

Pyrite depressant useful in flotation separation ...

1997-6-17 · The present invention relates to a process for separating pyrite from sulfide ores and coal during flotation separation which comprises the depression of pyrite with from about 0.125 to 1.250 pounds per ton of 2-S thironium-ethane sulfonate (IESA) as a pyrite depressant. The aforementioned depressant is surprisingly effective in pyrite removal ...

A Simple Model for the Calculatio n of Entrainment in ...

2005-8-11 · Two sets of flotation experiments with different feed materials were performed. Pyrite and quartz were separately used in these estsflota as tion feed materia The .sl test sam glape,sl s sgrade quartz O (Si 2 5 > 99. % ) and pyrite concentrate, were obtained from Toprak Enerji A. . and Etibank Küre Copper Flotation Plant (Turkey), re-

Flotation data for the design of process plants Part 2 ...

2021-6-24 · ite/pyrite ßotation tailings. Mineralogical variation within the orebody would probably result in only minor metallurgical differences. Benchscale flotation test work Benchscale batch ßotation test work and mineralogical investigations were conducted at the Aberfoyle labora-tory in Tasmania and Amdel in Adelaide. Preliminary

An Electrochemical Study of Surface Oxidation and ...

2018-5-8 · The influence of pyrite oxidation on flotation of other valuable sulfide minerals is an important topic for the mineral industry and has attracted many studies [34-37]. Owusu et al. [4] recently investigated the effect of pyrite on flotation of chalcopyrite and reported pyrite can be activated by

BATCH FLOTATION TEST FOR ORE CHARATCERIZATION

2017-3-6 · According to the mass balance results (Wightman, 2010), the copper recovery in Cu Rougher concentrate is about 72 %, i.e. 28 % of copper is lost to pyrite flotation circuit. The test results given in Figure 3.15, on the other hand, showed that 5 g/t extra collector addition to Cu Rougher Tail will increase the recovery in copper rougher section ...