A collecting agent comprising ammoniated compounds (primary,...

A froth flotation method and apparatus, a froth flotation...

A method for processing froth treatment tailings

A method for processing refractory auriferous sulfide ores...

A method of and a reactor for removing impurities from a liquid

A method of controlling feed variation in a valuable mineral...

A method to improve the cleaner froth flotation process

A process for purification of a fibre suspension

A separate size flotation device

Aeration apparatus

Aerator apparatus

Agglomerating and separating liquid suspended particles...

Agitated counter current flotation apparatus

Agitator flotation cell with perforated retaining wall

Agitator-flotation cell for dressing minerals and coal

Air distributing ring

Alkylated diaryl oxide monosulfonate collectors useful in...

Alkylether frothing agent for ore flotation

Alkyloxyalkaneamines useful as cationic froth flotation...

Amine oxide promoters for froth flotation of mineral ores