Recovery media for mineral processing

US10835905B2 · kind B2 · utility

Assignee

• CIDRA CORPORATE SERVICES LLC · US

Inventors

• Paul J. Rothman · Windsor, US
• Mark R. Fernald · Enfield, US
• Francis K. Didden · Wallingford, US
• Christian V. O'Keefe · Durham, US
• Douglas H. Adamson · Mansfield Center, US
• Paul DOLAN · Portland, US
• Timothy J. Bailey · Longmeadow, US
• Michael Ryan · Allentown, US

Key dates

• Filing date: Jan 9, 2017
• Grant date: Nov 17, 2020
• Expiry date: Jun 30, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B03D2203/02
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

An engineered collection medium for use in mineral separation is described. The engineered collection medium has a solid phase body configured with a three-dimensional open-cell structure like foam or sponge to provide collection surfaces. The surfaces are functionalized with a hydrophobic chemical having molecules with a functional group for attaching mineral particles to the collection surfaces. The engineered collection medium can be a foam block, a filter or conveyor belt to be placed in a slurry to collect mineral particles in the slurry. The engineered collection medium carrying the mineral particles is provided to a release apparatus where the mineral particles can be released by using mechanical agitation, sonic agitation and so forth.