Recovery of bitumen from sludge resulting from hot water...
Recovery of bitumen from sludge resulting from hot water...
Recovery of bitumen from sludge resulting from hot water...
Recovery of bitumen from tar sand
Recovery of bitumen from tar sands
Recovery of bitumen from tar sands sludge using additional...
Recovery of bitumen from tar sands sludge using additives
Recovery of bituminous oil from tar sands
Recovery of bituminous products from tar sands
Recovery of by-products from coal distillation
Recovery of c.sub.3 hydrocarbon conversion products and net...
Recovery of catalysts from the hydrogenation of coal
Recovery of coal liquefaction catalysts
Recovery of contaminated seal oils
Recovery of heavy oil
Recovery of heavy oil
Recovery of hydrocarbon from aqueous streams
Recovery of hydrocarbon oils from bituminous materials
Recovery of hydrocarbons from aqueous tailings
Recovery of hydrocarbons from dilution centrifuging tailings