Sodium Sulfide Can Be Used To Oxidize And Reduce Copper, Iron, Zinc And Other Metal Ores In The Mining Industry

 

Sodium Sulfide

Sodium Sulfide is a chemical substance that finds use in many different industries. It is used as an oxygen scavenger and metal precipitant in water treatment, and it is also an effective reducing agent for sulfur dyes.

Among its other uses, it is often employed in the tanning industry as a depilatory agent for animal hides during pre-tanning processes. Its effectiveness and efficiency make it the preferred depilatory for leather manufacturers worldwide.

In the leather manufacturing process, it is used to chemically destroy the hair on hides, and to soften stiff skin. It is often combined with lime for better efficacy and more efficient results.

Sodium Sulfide is also employed in the photographic industry to protect developer solutions from oxidation in the textile industry as a bleaching agent. It is also utilized for the production of elastomeric synthetic materials and sulfur colors.

This compound is a strong base that can be harmful to the mucous membranes of the body. Contact with the eyes, mouth or nose can produce serious caustic burns with painful inflammation and possible tissue destruction.

When the compound comes into contact with an acid, it converts to sodium hydroxide and sodium thiosulfate. This corrodes the skin, eyes and mucous membranes. It can also release toxic hydrogen sulfide gas when mixed with an acid.

Sodium Sulfide is also used in the oxidation process of gold, lead and cooper metal ores as well as for sheep dips. It is also used to treat paper in the pulp and paper industry.

It is used as a coagulation and flocculation agent in wastewater treatment facilities. It can be mixed with ferrous sulfate in a coagulation and flocculation system to remove heavy metals such as hexavalent chromium, which is found in some municipal waste waters.

For the coagulation and flocculation of wastewater, the influent must be kept above a pH of 7.0 to prevent off-gassing of hydrogen sulfide. This can be achieved by adding external recycled sludge and anionic polymer to the chemical tank effluent.

Another use for Sodium Sulfide is in the manufacturing of sulphur dyes, which are highly sought after and popularly used by consumers all over the world. It is a valuable reducing agent for this purpose, and it is also a regenerating dyeing agent that can be used to restore original color and brightness of the dye after it has been removed from the fabric or dyed.

Tessenderlo Group acquired 100% shares of the PICANOL GROUP in March 2023.  During the final acceptance period of the public exchange offer 90,695 shares tendered to the Exchange Offer.

Press Release of Sodium Sulfide is available

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