Abstract: A hydrometallurgical process is provided for the selective extraction of one or more target metals from ore, concentrates, tailings, slags or other metal bearing solids, by combining simultaneously leaching with sorption in the state of wet solids. The sorption and leaching are performed simultaneously, which reduces the required number of process stages in comparison to conventional technologies. Performing the sorption leaching in wet solids enables a significant increase in the concentration of leaching agents in relation to target metal(s) content in solids, at the same addition rate of said leaching agents, improving thermodynamic conditions and leaching kinetics for dissolving target metal(s). The invention has the main advantage of improving metal recoveries at a reduced consumption rate of leaching agents.
Type:
Grant
Filed:
October 16, 2015
Date of Patent:
July 23, 2019
Assignees:
INNOVECO AUSTRALIA PTY. LTD., ORYXEIO INGENIERÍA LIMITADA
Inventors:
Hans Christian Hein, Pavel Spiridonov, Ricardo Oliver Hein Hoernig
Abstract: A hydrometallurgical process is provided for the selective extraction of one or more target metals from ore, concentrates, tailings, slags or other metal bearing solids, by combining simultaneously leaching with sorption in the state of wet solids. The sorption is performed by means of sorbents such as ion exchange resins, activated carbon, zeolites, among others, and mixtures thereof.
Type:
Application
Filed:
October 16, 2015
Publication date:
October 26, 2017
Applicants:
INNOVECO AUSTRALIA PTY. LTD., ORYXEIO INGENIERÍA LIMITADA
Inventors:
Hans Christian HEIN, Pavel SPIRIDONOV, Ricardo Oliver HEIN HOERNIG