|7152742||Separation process for carpets|
Comminuted carpet pieces are fed to a first stirred tank together with an aqueous solution containing separating salt, to form a first suspension, which is fed to a first mechanical separating stage. A first high-solids phase, a second high-solids phase containing p...
|4406664||Process for the enhanced separation of impurities from coal and coal products produced therefrom|
An improved process for the beneficiation of coal and the separation of impurities therefrom comprising subjecting coal to surface treatment by contact with an aqueous medium comprising polymerizable monomer, polymerization catalyst and liquid organic car...
|4387034||Mixed alkylthionocarbamates flotation collectors and ore dressing methods in which the collectors are employed|
A collector for use in concentrating metal values in ores by flotation, said collector comprising a synergistic mixture of O-isopropyl N-ethylthionocarbamate and O-isobutyl N-methylthionocarbamate. Ore dressing flotation methods wherein said mixture serve...