Purifying bitumen recovered in the hot water process
Pyrite depressants useful in the separation of pyrite from coal
Pyrite depression in coal flotation by the addition of...
Pyrochlore flotation
Pyrolysis gas purification apparatus and process
Quaternary ammonium compounds for froth flotation of...
Radial flow electrostatic filter
Radioactive ionizer for electrostatic precipitator
Rapper assembly for electrostatic precipitators
Rapper mechanism
Rapping apparatus for an electrostatic precipitator
Rapping assembly and electrode supports for electrostatic...
Rapping device
Rapping device
Rapping device for precipitation electrodes in electrostatic...
Rapping mechanism for rapping the electrodes of an...
Rapping shaft drive assembly for electrostatic precipitators
Reactif deprimant pour la flottation des minerais et procede...
Reagent and process for beneficiating ores
Reagent consumption in mineral separation circuits