sodium sulphide for mineral processing

sodium sulphide for mineral processing

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  • Sodium sulfide

    Sodium sulfide is the chemical compound with the formula Na 2 S, or more commonly its hydrate Na 2 S9H 2 OBoth are colorless water-soluble salts that give strongly alkaline solutions When exposed to moist air, Na 2 S and its hydrates emit hydrogen sulfide, which smells like rotten eggsSome commercial samples are specified as Na 2 SxH 2 O, where a weight percentage of Na 2 S is specified...

  • Sodium Sulfide, Solid (60

    Sodium sulfide is used in many industries; for example, the pulp and paper industry and in leather processing to remove hair from hid Sodium sulfide may be used in the making of colors and dy Sodium sulfide can also be used in the manufacture of other chemicals, metals or in mining...

  • Sodium Hydrosulfide (NaSH)

    Sodium hydrosulfide (NaSH) is a chemical reagent with numerous applications within predominately three (3) industries: Kraft Paper Milling In Kraft, pulping sulfidity is controlled through the use of reduction furnaces which reduce sodium sulfate plus caustic soda to sodium sulfide...

  • Red and Yellow Flakes 1

    red and yellow flakes 1-3mm zns granules/pieces sodium sulphide uses in leather industry 1Product Introduction: Sodium sulfide is used mainly in the pulp and paper industry in the Kraft process It serves as an oxygen scavenger agent in water treatment Other applications include ore flotation, oil recovery, making dyes and detergents...

  • Sodium sulfide | Disodium sulfide | Sigma

    General description 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 Application Na 2 S is used for H 2 S therapy, to study its effect on the prevention of diabetes in animals...

  • (PDF) Reduction of Lead and Zinc loss in Pre

    Eventually, the study revealed that using simultaneous Sodium Sulfide (SS) and Sodium Metabi Solfide (SMBS) during pre-flotation process provides the best result: (a) 47% reduction of zinc loss ....

  • Sodium sulfide

    Sodium sulfide is the chemical compound with the formula Na 2 S, or more commonly its hydrate Na 2 S9H 2 O Both are colorless water-soluble salts that give strongly alkaline solutions When exposed to moist air, Na 2 S and its hydrates emit hydrogen sulfide , which smells like rotten eggs...

  • Copper extraction

    The processing techniques depend on the nature of the ore If the ore is primarily sulfide copper minerals (such as chalcopyrite), the ore is crushed and ground to liberate the valuable minerals from the waste ('gangue') minerals It is then concentrated using mineral flotation...

  • Sodium sulfide | Na2S

    Sodium sulfide, anhydrous is a yellow to brick red crystalline mass or fused solid with an odor of rotten eggs If exposed to moist air it is liable to spontaneous heating and may cause ignition of nearby combustible material...

  • Role of Sodium Sulfide

    Table of ContentsChemistry of Sodium SulfideSulfidization Sodium Sulfide in Sulfide Minerals Flotation 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 The sulfidization process, developed in the USA in 1915-20 for oxide copper minerals flotation, is especially suitable for oxidized lead ores in ....

  • Betachem (Pty) Ltd

    Betachem (Pty) Ltd design, development and production of mining chemicals and mineral processes , (caboxy methyl cellulose), guar gum, Betamin, Dowfroth®200, Betafloc, mineralogical investigation, mineral liberation analyser, gas chromatograph, fatty acid collectors, sulphide collector, DTP, activator, quality control, storage survices ....

  • Effect of sodium sulfide additions on the pulp ,

    Read "Effect of sodium sulfide additions on the pulp potential and amyl xanthate flotation of cerussite and galena, International Journal of Mineral Processing" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips...

  • Reagents in zinc recovery from Pb

    tailings of Dandy mineral processing plant in north-western Iran was studied A sulfidization-flotation method has been used on a laboratory scale to investigate the effect of various reagents such as sodium sulfide as sulfidizing agent, primary amine as collector, dispersants and flocculants with different...

  • Sodium Sulfide

    Sodium sulphide is commonly used for the reduction in the application of sulphur dyes on cotton Residual sodium sulphide acts as contaminant in the effluent Sodium sulphide causes no marked odour nuisance above pH 90 but in acidic pH, gaseous H2S is liberated, giving an unpleasant smell of rotten eggs which is toxic when inhaled...

  • China Sodium Sulphide Granules/Pieces Flake

    sodium sulphide granules/pieces flake 1Product Introduction: Sodium sulfide is used mainly in the pulp and paper industry in the Kraft process It serves as an oxygen scavenger agent in water treatment Other applications include ore flotation, oil recovery, making dyes and detergents...

  • Sodium hydrosulfide

    Sodium hydrosulfide is the chemical compound with the formula NaHS This compound is the product of the half-neutralization of hydrogen sulfide (H 2 S) with sodium hydroxide NaHS is a useful reagent for the synthesis of organic and inorganic sulfur compounds, sometimes as a solid reagent, more often as an aqueous solution...

  • Froth flotation

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

  • Sulphide Leaching

    Insoluble: PbS, CuS, AS2S3, Sb2S3, CaS Alkali cyanides Sodium cyanide has a solvent action on sulphid Alkali sulphides: Sodium sulphide solution reacts with sulphides of arsenic, antimony, tin and mercury to form soluble thiosalts, additions of NaOH helping prevent hydrolysis of Na2S...

  • Sodium Hydrosulfide

    In addition to sulfidization, sulfide ions act to precipitate the Cu ions as Cu 2 S, a process known as sequestration In processing mixed sulfide-oxidized ores, the sulfide minerals are usually floated first, followed by sulfidization of the oxidized minerals This prevents the depression of sulfides by sodium sulfide...

  • Sodium Sulfide/sulphide

    Application: widely used in tanning, paper making, mineral processing, dye production, organic intermediates, printing and dyeing, pharmaceutical, monosodium glutamate, rayon, special engineering plastics, polyphenylene sulfide, polyalkali rubber, also used as sodium thiocyanate, polysulfide Sodium, sodium thiosulfate, etc There are also ....

  • How Much Do You Know About Non

    For example, the sodium silicate and ferrous sulfate are used to inhibit chlorite and carbonate, the sodium silicate is used to inhibit calcite and mica, the sodium sulfide and sodium carbonate are adopted to inhibit calcium magnesium carbonate The non-sulfide mineral collectors are divided into anionic collectors and cation collectors...