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Barite flotation reagent

105 16.May.2024 KZ Editor


Flotation reagents are the key factors in barite flotation. The dosage and type of reagents will directly affect the adsorption force and stability between barite and bubbles. Commonly used agents include collectors, pH adjusters and foaming agents.

01 Barite flotation collector

Commonly used collectors for barite are mainly fatty acid salts.

Fatty acid salt is a substance that can form a complex with barium ions on the surface of barite. It needs to be used under conditions with a high pH value. It can make the surface of barite hydrophobic and easily adhere to bubbles. Commonly used fatty acid salts include sodium oleate, sodium stearate, sodium palmitate, etc.

02 Barite flotation pH adjuster

Commonly used pH adjusters for barite include alkaline substances, acidic substances and salts. Alkaline substances are substances that can increase the pH value of the slurry, thereby making the surface of barite appear negatively charged, increasing the adsorption effect of fatty acid salts, and improving the flotation recovery rate of barite. Commonly used alkaline substances include sodium hydroxide, sodium carbonate, calcium hydroxide, etc. 

Acidic substances are substances that can lower the pH value of the flotation solution, thereby causing the surface of barite to present a positive charge, reducing the adsorption effect of fatty acid salts, and reducing the flotation recovery rate of barite. Commonly used acidic substances include sulfuric acid, hydrochloric acid, oxalic acid, etc.

Salts are substances that can change the electrolyte concentration of the flotation solution, thereby affecting the potential difference on the barite surface and the solubility of the collector. They are selected according to different process conditions. Commonly used salts include sodium sulfate, sodium chloride, ammonium sulfate, etc.

03 Barite flotation frother

Commonly used foaming agents for barite include rosin oil, turpentine and alcohols. Rosin oil is a mixture distilled from pine trees and contains a variety of terpenes that form emulsions in water and react with oxygen in the air to form stable bubbles.

To sum up, the reagents used in barite flotation mainly include collectors, slurry regulators and foaming agents. Their dosage and type will directly affect the adsorption force and stability between barite and bubbles. properties, thus affecting the flotation effect and quality of barite.


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