Reagent for centration of ores by flotation

Reagent for the purification of waste waters from the paper...

Reagent for zinc ore and method of utilizing same

Recirculation system for wet-removal of precipitated dust

Reclaiming plastic and paper fibre from plastic coated paper

Recovering copper by flotation using n-mercaptoalkyl amide...

Recovery and up-grading of bitumen from tar-sands

Recovery and upgrading of bitumen from tar-sands

Recovery of bitumen from bituminous sand

Recovery of bitumen from bituminous sand

Recovery of bitumen from oil sands using sonication

Recovery of bitumen from tar sand

Recovery of bitumen from tar sands utilizing an evacuation step

Recovery of bitumen from treated emulsions and froths

Recovery of dissolved species from aqueous solutions by a...

Recovery of dust from gases containing the same

Recovery of elemental sulphur from products containing...

Recovery of gold using diisobutyl and disec. butyl...

Recovery of heavy bitumen in tar sands processing process

Recovery of hydrocarbons from hydrocarbon contaminated sludge