+86 0371 8654 9132

sodium sulphide for mineral processing

3 Major Roles of Sodium Sulfide in Mineral Processing

Oct 29, 2020 · 3 Major Roles of Sodium Sulfide in Mineral Processing. Oct. 29, 2020. Share. Sodium Sulfide is a frequently used agent in the flotation of sulfide ore. Its functions are mainly as follows: 1. Sodium sulfide is an inhibitor of most sulfide ore. When the amount is large, it can inhibit most of the sulfide ore. The descending order of its ...

Mineral Processing Chemicals

Sulphide reagents are broadly applied in mineral processing and hydrometallurgical operations. Sodium Hydrosulphide (NaHS) is used in order to separate Molybdenum Sulphide from Copper Sulphide in Flotation process. Sodium Hydrosulphide (NaHS) is also applied to reduce the concentration of residual metals, especially Cadmium, in water treatment.

Sodium sulfide | HNa2S+ - PubChem

SODIUM SULFIDE is a white to yellow crystalline material, flammable. Can explode on rapid heating or when shocked. Violent reaction with carbon, charcoal, diazonium salts, N,N-dichloromethylamine, strong oxidizers, water. On contact with acids it liberates highly toxic and flammable hydrogen sulfide gas.

Sulphide Leaching - Mineral Processing & Metallurgy

Jun 24, 2015 · Sodium sulphide solution reacts with sulphides of arsenic, antimony, tin and mercury to form soluble thiosalts, additions of NaOH helping prevent hydrolysis of Na 2 S. Alkali hydroxides: NaOH may be used to leach PbS and ZnS forming soluble plumbite (Na 2 Pb0 2 ) and zincate solutions respectively (Na 2 Pb0 2 ) respectively.

Sodium Sulfide - Structure, Properties, uses and Side effects

This sodium sulfide exhibits as yellow or in reddish-brown colour, and it is flaky and granular. It is mainly used in paper, dyes, ore floatation, mineral processing, dyeing industries and printing. The industrial sodium sulfide is classified into three categories by GB/T 10500-2000 standard.

New insights into the reagent-removal mechanism of sodium ...

May 01, 2020 · In the mineral-processing field, froth flotation is often used to separate and recover these sulfide minerals . In the flotation of complex sulfide ores, the two methods most extensively used for the separation of economic amounts of copper and lead are as follows: (1) bulk copper/lead flotation followed by copper/lead separation; (2 ...

Flotation Regulator: Inhibitor - JXSC Machine

Oct 09, 2021 · 1. Sodium Sulfide. Sodium sulfide is the activator of non-ferrous metal oxide ore, and when the addition amount is large enough, it is also an inhibitor of sulfide ore. The preparation of sodium sulfide is to reduce sodium sulfate (Na2SO4) by burning coal, charcoal, etc. as a reducing gas. The reaction formula is: Na 2 SO 4 +2C=Na 2 S+2CO ...

A fundamental study of the alkaline sulfide leaching of gold

The European Journal of Mineral Processing and Environmental Protection Vol.3, No.3, 1303-0868, 2003, pp. 336-343 A fundamental study of the alkaline sulfide leaching of gold M.I. Jeffrey1* and C.G Anderson2 1 Department of Chemical Engineering, Monash University, Vic., 3800, Australia 2 The Center for Advanced Mineral and Metallurgical Processing,

(PDF) RECOVERY OF SILVER FROM CYANIDE LEACH SOLUTIONS

In a recent study, Koc et al. (2016) investigated the precipitation of silver as sulphide using sodium sulphide (2.0-24.2 mM Na 2 S) from a PLS derived from the cyanide leaching of a pyritic gold ...

Mining Industry | Copper Sulfide Ore and Flotation Process ...

Jul 09, 2019 · 1 Types of copper sulfide ore (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper. The gangue minerals are mainly quartz, carbonate and silicate. (2) Copper-sulfur ore Called copper-bearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite.

Principles and practice of sulphide mineral flotation ...

Synopsis. This paper presents both the fundamentals of sulphide mineral flotation and the practical aspects of sulphide ore flotation. The fundamental aspects of the flotation of sulphide minerals both in the absence and presence of thiol collectors are discussed in relation to their crystal structure, surface chemistry and electrochemical characteristics.

sodium sulfide & sodium sulfide - Sales Manager - Tiandeli ...

sodium sulfide & sodium sulfide | 中国 湖南省 长沙 | Sales Manager - Tiandeli sodium sulphide co .,ltd | sodium sulphide is produced in china, is used for Hair removal or water treatment or Mineral products, if you inteseted ,pls let me know , my mail id : [email protected] , my skype id : lisa.tdl | 500+ 位好友 | 查看sodium sulfide的首页、档案、动态、文章

Method of flotation of sulfide copper-zinc ores

(57) Abstract: Usage: mineral processing, in particular flotation of copper-zinc sulphide ores and products. Method of flotation of sulfide copper-zinc ores includes the conditioning of the pulp in a calcareous environment with reagents-regulators sulfur, sodium, and zinc sulfate, the introduction of collector and Frother and subsequent separation with separation of copper minerals in the ...

Mineral and Minerals - 2.imimg

By Product Sodium sulphide Process of Manufacture Barium Sulphide Barium Carbonate Barium Chloride Barium Sulphate By Product Sodium sulphide Properties Barium Sulphide ... Computer Aided Design & Optimization of Mineral Processing Plants By a State of the Art Simulator Introduction Modeling Simulation Tools Case Studies Plant Audit ...

Mineral processing ii - SlideShare

Apr 17, 2014 · MINERAL PROCESSING-II Prepared By: Ali Bux Wassan (12MN65) 2. AGGLOMERATION By: Ali Bux Wassan (12MN65) 3. AGGLOMERATION The act or process of converting separate particles into mass or cluster. An enormous amount of fines is generated during mining and ore processing operations. Since the fines can not be used directly in the blast furnace ...

XPS & FTIR Study of Adsorption Characteristics Using ...

The activating effect of sodium sulphide is strongly time dependent. An increase in sulphidisation leads to an increase in the hydrophobicity of the mineral surface. Excess of sodium sulphide acts as a depressant for oxidised lead and zinc minerals because the adsorption of divalent sulphide ions on the surface of lead oxide minerals increases the

(PDF) Role of Starch and Metabisuphite on Pure Pyrite and ...

The mechanism for depression of sulphides floated with xanthate with addition of sodium sulphide producing a drop in the redox potential causing desorption of xanthate from the mineral (chemical displacement process) and a subsequent loss of flotation (Gebhardth and Kotlayar, 1991).

Mohammad Abdi - Mineral Processing Engineer (Research Part ...

In Dandi, Zandjan, Iran, mineral processing plant, sodium sulphide and potassium ethyl xanthate are used as sulphidizer and collector respectively. Reagents dosage optimization was investigated on different feed samples varying in lead content. Flotation tests were carried out

Sodium sulfide | HNa2S+ - PubChem

SODIUM SULFIDE is a white to yellow crystalline material, flammable. Can explode on rapid heating or when shocked. Violent reaction with carbon, charcoal, diazonium salts, N,N-dichloromethylamine, strong oxidizers, water. On contact with acids it liberates

sodium sulphide in mining

Sodium Sulfide, Solid (60-62 %, with Crystallization. Sodium sulfide is used in many industries; for example, the pulp and paper industry and in leather processing to remove hair from hides. Sodium sulfide may be used in the making of colors and dyes. Sodium sulfide can also be used in the manufacture of other chemicals, metals or in mining

SODIUM SULPHATE: ITS SOURCES AND USES

Some details about the use of sodium sulphate in making glass, sodium sulphide, and wood pulp are given on pages 33-36. MINERALOGY OF PRINCIPAL COMPOUNDS OF SODIUM SULPHATES Mirabilite. Hydrated sodium * sulphate, Na2S04 .10H20. Com­ position, sodium sulphate (Na2S04), 44.1 per cent; water (H20), 55.9 per cent.

Sulphide Leaching - Mineral Processing & Metallurgy

Jun 24, 2015 · Sodium sulphide solution reacts with sulphides of arsenic, antimony, tin and mercury to form soluble thiosalts, additions of NaOH helping prevent hydrolysis of Na 2 S. Alkali hydroxides: NaOH may be used to leach PbS and ZnS forming soluble plumbite (Na 2 Pb0 2 ) and zincate solutions respectively (Na 2 Pb0 2 ) respectively.

US4051220A - Sodium sulfide leach process - Google Patents

A process is disclosed for treating mixed metal sulfides containing trivalent antimony sulfide wherein the sulfide concentrates are leached with an excess of sodium sulfide in order to isolate copper sulfide and other insolubles in solid form while solubilizing the remaining metal sulfides and producing sodium thioantimonite, separating the insoluble sulfides from the solution; oxidizing the ...

Sodium sulfide | 1313-82-2

Cubic crystals of sodium sulfide (Na 2 S) are extremely hygroscopic in nature and discolor on exposure to air. Na 2 S is soluble in water, slightly soluble in alcohol and insoluble in ether. Aqueous solutions of Na 2 S are strongly alkaline.

Mineral and Minerals - 2.imimg

By Product Sodium sulphide Process of Manufacture Barium Sulphide Barium Carbonate Barium Chloride Barium Sulphate By Product Sodium sulphide Properties Barium Sulphide ... Computer Aided Design & Optimization of Mineral Processing Plants By a State of the Art Simulator Introduction Modeling Simulation Tools Case Studies Plant Audit ...

(PDF) A Review of the Flotation of Copper Minerals

was added in the presence of sodium sulphide. The hig hest recovery was obtained when ammonium sulphate . ... sulphidisation," Inte rnational Journal of Mineral Processing, no. 84, p p. 108-117, 2007.

Mining Industry | Copper Sulfide Ore and Flotation Process ...

Jul 09, 2019 · 1 Types of copper sulfide ore (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper. The gangue minerals are mainly quartz, carbonate and silicate. (2) Copper-sulfur ore Called copper-bearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite.

Betachem (Pty) Ltd - The design, development & production ...

NaSH (sodium hydrogen sulphide), antiscalants, ... mineral processing laboratory, flotation release analysis, modal mineralogy, PGM and gold mineral identification, coal liberation analysis, sodium isobutyl xanthate, pilot plant tests, training of operators and metallurgical staff,

sodium sulfide solid, sodium sulfide solid Suppliers and ...

Sodium Hydrosulfide is widely applied as floatation agent in copper ore and sulfide dye agent in synthetic fibre. 9#, JiuJiang City,JiangXi Province,China leather agent low iron 70% solid sodium hydrosulphide produce ammonium sulfide 1 Q: The Saftey of Sodium Hydrosulfide.

Effect of chalcopyrite and pyrrhotite interaction on ...

May 01, 1992 · Yoon, R.H., 1981, “Collectorless flotation of chalcopyrite and sphalerite ores by using sodium sulfide,” International Journal of Mineral Processing, Vol. 8, pp. 31–48. Article Google Scholar Download references

Biogenic Sulphide Reagent in Hydrometallurgy

Biogenic sulfide reagent can also be considered for other applications in hydrometallurgy and mineral processing. Uses under consideration by a number of mining companies include: (1) replacement of sodium hydrosulphide . in the SART process for cyanide regeneration and copper recovery in the processing of gold-copper ores, and (2)

The Sidelight of Chinese Technology on Mineral Processing_矿

Apr 12, 2017 · Huang Kaiguo Professor Central South University, Changsha, CHINA The Sidelight of Chinese Technology on Mineral Processing . Abstract: In this paper, the reverse-flotation of iron ore, bauxite, and carnallite, the collectorless flotation of copper sulphide ore, ingenious applications of sodium sulphide for flotation of sulphide ores, as well as table flotation of mix scraps of bronze and