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sodium sulphide for mineral processing

The Effect of Sodium Silicate as pH Modifier and Depressant in the ...

25 Jun 2010 ... Furthermore, flotation efficiency using sodium silicate was better more than that using ... Pb, Zn, and Cu that can consist in sulfide minerals were.

Chalcopyrite and pyrite floatabilities in the presence of sodium ...

ABSTRACTOne of the principal problems in flotation of copper complex ores is ... of sodium sulfide and sodium metabisulfite in a high pyritic copper complex ore.

Effects of pH and pulp potential on selective separation of ...

found that the addition of 16 kg/t Na2S into the flotation pulp and aeration rapidly decreased ... selective molybdenite flotation by Na2S/NaSH addition, because.

Best Quality Sodium Sulphide at Factory Prices! - Kemcore

Sodium sulphide has a diverse range of uses in flotation of various minerals. Below are some of its applications: Sulphidizing reagent for metallic copper, oxides...

Sodium Sulfide - Solvay

Solvay Fluorides, LLC does not sell sodium sulfide directly to consumers. ... in mining (ore processing) and in waste water, soil and process sludge treatment.

Chalcopyrite and Pyrite Floatabilities in the Presence of Sodium ...

Pyrite recovery was sharply increased by the addition of sodium sulfide in light of sodium sulfide-induced collectorless flotation; however, it showed a very weak...

A study on the effect of active pyrite on flotation of porphyry copper ...

23 Feb 2018 ... Flotation of copper sulphides is a traditional technique for processing the sulphide copper. ... flotation of chalcopyrite and using sodium.

Role of Sodium Sulfide - Copper Lead & Zinc Ore Flotation

11 Oct 2018 ... Sodium sulfide is one of the most widely used alkali metal sulfides in the flotation of copper, lead, and zinc minerals in their oxidized form.

sulfide mineral | Definition, Examples, Identification, & Facts ...

Sulfide mineral, any member of a group of compounds of sulfur with one or more metals. ... involves two sulfide ions in each of the octahedral positions in the sodium ... The sulfide deposits formed as a result of the first process include mainly...

Dual effects of sodium sulfide on the flotation behavior of ...

7 May 2014 ... This study explores the flotation behavior of chalcopyrite in the presence of different concentrations of sodium sulfide (Na2S·9H2O) at pH 12...

Froth Flotation in Saline Water - J-Stage

Starting from this example, the case of flotation of sulfide ores (chalcocite, chalcopyrite, pyrite and ..... tion of phosphate ore with anionic collector (sodium.

Effect of sodium sulfide waste water recycling on the separation of ...

14 Jun 2017 ... Physicochemical Problems of Mineral Processing ... Sodium sulfide as a kind of flotation reagents had been used in plants for many years...

Development and optimization of mixed sulphide/oxide copper ore ...

Keywords: copper flotation, mixed sulphide/oxide ore, controlled potential ... The method involves multistage addition of sodium sulphide (Na2S), sodium...

Cationic flotation of smithsonite and dolomite from Brazilian ...

16 Sep 2019 ... The flotation of low-grade oxidized zinc ores has been commonly used ... keywords: Smithsonite; dolomite; cationic flotation; sodium sulphide;...

Minerals | Free Full-Text | Study of the Effect of Sodium Sulfide as a ...

Two kinds of collectors, sodium butyl xanthate and kerosene, and a depressor, sodium sulfide, were used in this research. The study applied flotation tests, pulp...

(PDF) The role sodium sulphide in amine flotation of silicate zinc ...

PDF | The role of sodium sulphide in amine flotation of the silicate zinc minerals willemite and hemimorphite is discussed. Data from the literature are compared...

The alkaline sodium sulphide leaching of enargite - UBC Library ...

27 Apr 2011 ... 21 3.4.3 Sodium sulphide alkaline leach process applied to enargite ..... 20 Table 3.6: Major minerals in the equity plant concentrate .

Study of the Effect of Sodium Sulfide as a ... - Semantic Scholar

30 Mar 2017 ... concentration of sodium sulfide for separation was 0.03 mol/L, which rejected 83% ... recovered 82% molybdenite in the single mineral flotation.

Role of Surfactants in Mineral Processing: An Overview | IntechOpen

To further strengthen mineral flotation chemistry and advancement of mineral ... e.g. ammonium phosphate, calcium sulphate, sodium sulphate, nickel chloride,...

ELECTROCHEMICAL ASPECTS IN THE FLOTATION OF LEAD ...

Sodium sulfide plays a multifunctional role in sulfide minerals flotation. The restorative action of minerals surface is its main function. As pH regulator, it reacts on...

Biogenic Sulphide Reagent in Hydrometallurgy - SGS.com

Sulphide reagents are widely used in mineral processing and hydrometallurgical operations. The use of sodium hydrosulphide, NaHS, to provide conditions in...

The collecting performance and interaction mechanism of sodium ...

Single mineral flotation experiments showed that sodium diisobutyl ... There are five common coppersulfur separation processes, which are known as high pH...

The use of sodium sulphite to improve the flotation selectivity ...

The processing of complex sulphide ores by the sequential method of flotation requires maximal selectivity. In particular, the entrainment of galena into the...

Sodium sulfide - Wikipedia

Sodium sulfide is the chemical compound with the formula Na2S, or more commonly its hydrate ... Sodium sulfide is primarily used in the kraft process in the pulp and paper industry. It is used in water ... It is used in other applications including ore flotation, oil recovery, making dyes, and detergent. It is also used during...

A Review on Novel Techniques for Chalcopyrite Ore Processing

1 Jan 2012 ... This method is applied to sulphide flotation concentrates rather than ores and ..... Grade A purity copper from a purified sodium chloride, sodium...

Selective Flotation of Iranian Angooran Oxidised Zinc ... - DiVA portal

sulphidization with sodium sulphide at pH around 11. Selective flotation of smithsonite is accomplished from oxidised zinc ore with dodecylamine collector at pH...

Identification and Description of Mineral Processing Sectors and ...

19 Apr 2019 ... At the process end points, selenium metal is precipitated from solutions of sodium selenite or selenious acid by sulfur dioxide.2 Exhibits 2...

Recent Minerals Engineering Articles - Elsevier

Recently published articles from Minerals Engineering. ... concentrate processing via low-temperature calcination with sodium chloride: Part 2 ... A new thiosalt depuration bioprocess for water- recycling in metallic sulphide mineral processing.

Flotation Behavior of Complex Sulfide Ores in the Presence of ...

14 May 2017 ... Flotation tests were carried out in a D12-Denver flotation laboratory cell in the presence and absence of chitosan and/or sodium cyanide...

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