What is Sulfide Mining? | Mining Action Group

Metallic sulfide mining (aka hard rock mining) is the practice of extracting metals such as nickel, gold and copper from a sulfide-rich ore body. Sulfides are a geologic byproduct of mining in this area, and by exposing sulfides to the air and water in our atmosphere, sulfuric acid can be created — threatening to poison the nearby water ...

Sodium Sulfide Flakes | Colombian Coal

We produce high quality sodium sulfide (Na2S) for applications across a broad spectrum of industrial sectors. It has applications in the manufacture of pulp/paper and textiles, in water treatment and the leather trade for the sulfuration tanning extracts and the removal of hair from hides.

Sodium Sulfide Flakes Sodium Sulphide Use For Mining ...

Sodium Sulfide Flakes Sodium Sulphide Use For Mining Leather Paper Making Tanning, Find Complete Details about Sodium Sulfide Flakes Sodium Sulphide Use For Mining Leather Paper Making Tanning,Sodium Sulfide Flakes,Sodium Sulphide,Mining Leather Paper Making Tanning from Electronics Chemicals Supplier or Manufacturer-Hebei Bossory Import & Export Trade Co., Ltd.

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

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

The use of sodium sulphite to improve the flotation selectivity between chalcopyrite and galena in a complex sulphide ore. ... Use of sodium sulphite, in association with alkaline-earth or metal hydroxides released by the ore, helps to reduce the entrainment of lead into the copper ore.

Sodium Sulfide Uses - Na2S Yellow Flakes 60% Applications

Jul 22, 2019· Sodium Sulphide Use in Mining Industry: One of other main sodium sulfuret uses is in the process of ore flotation in mining companies. They use Na2S ( sulfur sodium) ( sodium sulfur ) as an agent in the ore flotation process of Zinc, copper, iron, and other metal ores.

Sodium Metabisulfite MBS for pH Control and Pyrite ...

Sodium Metabisulfite aka MBS is used for pH control in froth flotation to control Pyrite depression. Below is a graph showing pH VS pyrite recovery at various collector addition rates. It is also used to prevent flotation of sphalerite by copper activation in the presence of Tennantite/Covellite in the ore.

Mining Waste Treatment Technology Selection—Technology ...

Sulfide reagents used to cause precipitation of contaminants include iron sulfide (FeS), sodium hydrosulfide (NaHS) (Wellington-Oro Water Treatment Plant), sodium sulfide (Na 2 S), calcium sulfide (CaS), and biogenic sulfide generated in situ by sulfate reduction.

Inorganic Salts Sulfide 60% Sodium Sulphide Yellow Flakes ...

Inorganic Salts Sulfide 60% Sodium Sulphide Yellow Flakes For Mining, Find Complete Details about Inorganic Salts Sulfide 60% Sodium Sulphide Yellow Flakes For Mining,Sodium Sulphide For Mining,Inorganic Salts Sodium Sulphide,Sodium Sulphide Yellow Flakes from Sulfide Supplier or Manufacturer-Xinji Xibo Chemical Co., Ltd.

Acid mine drainage - Wikipedia

Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines.. Acid rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks ...


containing any number of metals. The alkaline sulfide system is one of these and is essentially a mixture of sodium sulfide and sodium hydroxide. This is a unique hydrometallurgical system as it is a very selective lixiviant for the distinct leaching of tin, gold, antimony, arsenic and mercury (1,2,3,4,5,6,7). Worldwide, it is employed

Sodium Hydrosulfide (NaSH)-An Alternative to Sulfur ...

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.

Pros of Sulfide Mining? | Yahoo Answers

Jan 12, 2016· Pros of Sulfide Mining? What are some pros of sulfide mining, or just mining in general, beside the obvious economic boost and more jobs? Answer Save. 1 Answer. Relevance. Ron. Lv 7. 4 years ago. Many sulfides are ores of many useful metals such as zinc, lead, copper, nickel and even iron. They are also sources of mercury, antimony, bismuth ...

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

Minerals Engineering, Vol. 5, Nos. 3-5, pp. , 1992 /92 $5.00 +0.00 Printed in Great Britain 1992 Pergamon Press plc THE USE OF SODIUM SULPHITE TO IMPROVE THE FLOTATION SELECTIVITY BETWEEN CHALCOPYRITE AND GALENA IN A COMPLEX SULPHIDE ORE R. HOUOTand D. DUHAMET!

sodium sulphide flakes yellow 60% (Na2S) - Chemicals1.com

Sodium sulphide flakes (Na2S). Our sodium sulfide manufacturing plant in Iran is among the top factories in the Middle East region producing low-iron content (less than 20 ppm) sodium sulphide.. With respect to our economical price, product high quality, professional packaging, and on-time delivery, we have already penetrated main markets for sodium sulfide such as mining companies in ...

SULFIDE MINING - mncenter.org

Sulfide mining, unfortunately, poses several significant environmental risks. The most significant one is the threat to water quality. When sulfide ores are exposed to air and water, the result is sulfuric acid, which causes the leaching of potentially toxic heavy metals and the release of sulfates that contribute to the methylation of mercury.

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.

Sulphides | Solvay

Nov 24, 2014· Sodium Hydrosulphide is applied in the leather industry, waste water treatment, soil remediation, the mining industry and pulp paper and amongst others. Sodium Tetra Sulphide Sodium Tetra Sulphide is mainly applied in the leather industry and in the removal of mercury from flue gases.

Sodium hydrosulfide - Wikipedia

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.

Mining & Industrial Chemicals - Fondel Chemicals

Fondel's Mining Division supplies mining chemistries including collectors, frothers, depressants, activators and conditioners. With a long and extensive history of supplying mines around the globe, Fondel is also well-placed to source worldwide. Cost effective and logistically sound supply and chemistry solutions are custom designed for each ...

SODIUM SULFIDE - sure chemical

It can be used in sulfur dye, reductant of dye intermediate, mordant, flotation agent of ore, depilation agent of leather, paper cooking agent. Moreover, it is widely used in textile, pigment and rubber industry, or used in the production of sodium thiosulfate, sodium polysulfide and sodium hydrosulphide.

forming sulfide compounds. Thus, copper, and lead mining is often to as sulfide mining, and the re- Chapter One lease of various forms Of sultilr is an inevi- table by-product of the metals' extraction. Basic Geology and Exploration Copper, zinc, and lead are widespread in the rocks Of the eart I's crust, but ordinarily in minute quantities.

Sodium sulphide – Nebrix Limited

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Sodium hydroxide + sodium sulphide — Materials ...

Sodium hydroxide + sodium sulphide These corrosion data are mainly based on results of general corrosion laboratory tests, carried out with pure chemicals and water solutions nearly saturated with air (the corrosion rate can be quite different if the solution is free from oxygen).

Role of Sodium Sulfide - Copper Lead & Zinc Ore Flotation

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 U.S.A. in for oxide copper minerals flotation, is especially suitable for oxidized lead ores in ...

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