From laboratory investigations sodium hydrosulphide proved to enhance flotation selectivity of copper and cobalt towards the gangue minerals while ammonium sulphide emerged as a strong nonselective sulphidiser Best results were recorded with a synergistic combination of sulphidisers a 11 mixture of sodium hydrosulphide and ammonium sulphide.
Sodium hydrosulfide is the chemical compound with the formula NaHS This compound is the product of the halfneutralization 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 Role of sodium sulfide in the flotation of oxidized copper.
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It is shipped as a 45 solution with a specific gravity of 1303 and a pH of 104 The viscosity is 7 centipoise The solution tends to crystallize below 62176F 17176C The role of sodium sulfide in the flotation of pyrite To float pyrite depressed in copper flotation sodium sulfide or sodium hydrosulfide is normally used to activate pyrite.
Sodium Hydrosulfide For Copper Froth Flotation 1a process for separating molybdenite from copper concentrates containing copper and iron sulfides gangue materials and an organic collector comprising 1 conditioning the concentrate in aqueous suspension at a ph below about 7 with a soluble metal salt 2 contacting the so treated concentrate with hydrogen peroxide at ph of about 4 to about 8 3.
kansanshi mining plc sodium hydrosulphide copper ore leaching in south africa miningbmw Mopani Copper Mines PLC Mining Technology The Kansanshi mine in Zambia is the eight largest copper mine in the world copper in solution sodium hydrosulphide sodium hydrosulfide for oxide copper ores Sodium hydrosulfide Wikipedia.
Sodium Hydrosulfide NaHS Solution 45 Nomenclature Sodium Hydrosulfide Sodium Hydrogen Sulfide Formula NaSH Product Identification Number UN 2922 CAS Number 16721805 Molecular Weight 5606 Description Sodium Hydrosulfide NaHS is an economical form of reactive sulfur that is typically a lightyellow colored solution with the accompanying.
Abstract Sulphidising flotation of oxide coppercobalt ores with sodium hydrosulphide used as sulphidising agent is common practice in Katanga Democratic Republic of Congo From laboratory investigations sodium hydrosulphide proved to enhance flotation selectivity of copper and cobalt towards the gangue minerals while ammonium sulphide emerged as a strong nonselective sulphidiser.
Sep 01 2020018332The surface properties of slightly oxidized chalcocite bornite and chalcopyrite with sodium hydrosulfide NaHS treatment were investigated by solid analyses of Xray photoelectron spectroscopy solution analyses and zeta potential measurements NaHS is known as a flotation activator for copperoxide minerals by sulfurizing their surfaces.
evaluation of oxidized copper ore is important today In another study sulphidising flotation of oxide coppercobalt ores using sodium hydrosulphide as the sulphidising agent has been practiced in Katanga Democratic Republic of Congo With sodium hydrosulphide nearly 77 of the copper and 75 of the cobalt were recovered with a.
Sodium hydrosulfide WOW Silicon industries is a best manufacturer of Sodium Hydro Used as a flotation agent in copper mining Sodium hydrosulfide is the chemical Get Price sodium hydrosulphide mining chemical copper ore copper in solution sodium Dyestuff Mining Chemical Use Sodium Hydrosulfide Sodium Hydrosulfide 70 for mining industry.