Aqueous composition useful in ore flotation containing...

Aqueous composition useful in ore flotation containing...

Arrangement for generating an electric corona discharge in air

Arrangement for supporting a plurality of discharge...

Arrangement for suspending and controlling precipitation...

Arrangement in electrofilters

Arrangement in emission electrodes for electrostatic...

Arrangement in emitting electrodes for electrostatic...

Arsenide depression in flotation of multi-sulfide minerals

Aryl monosulfonate collectors useful in the floatation of...

Asphaltite treating

Assembly and method for electrically degassing particulate...

Assembly for differential housing mechanism

Assembly for sealing a roller bearing

Assisted-siphon vacuumed oscillating-pan ore washing

Automated solid and liquid waste separation by gravity solvent

Automatic control system for electric precipitators

Automatic density control system for a froth flotation vessel

Automatic discharge valve in liquid suspension separator for...

Automatic electrical precipitators