The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 26, 2021

Filed:

Nov. 28, 2014
Applicant:

Rio Tinto Alcan International Limited, Montreal, CA;

Inventors:

Michael Reid, Jonquière, CA;

Guy Peloquin, Jonquière, CA;

Matthieu St-Laurent, Jonquière, CA;

Philippe Racine, Chicoutimi, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/08 (2006.01); B01D 21/24 (2006.01); C01F 7/06 (2006.01); B01D 21/06 (2006.01); B01D 21/32 (2006.01); B01D 21/01 (2006.01);
U.S. Cl.
CPC ...
B01D 21/08 (2013.01); B01D 21/01 (2013.01); B01D 21/06 (2013.01); B01D 21/2405 (2013.01); B01D 21/2411 (2013.01); B01D 21/2427 (2013.01); B01D 21/2444 (2013.01); B01D 21/32 (2013.01); C01F 7/0646 (2013.01); C01P 2006/80 (2013.01);
Abstract

A settler for decanting mineral slurries includes a tank having a side wall, a bottom and a top, an outlet for a thickened slurry at the bottom of the tank, a first overflow outlet for withdrawing an overflow stream of a clarified liquid, a slurry inlet means for introducing fresh slurry into the tank, the slurry inlet means having a slurry opening through which fresh slurry joins a body of slurry in the tank, and a stirrer having a vertical axis around which the stirrer rotates or reciprocates, in said settler the slurry opening is displaced laterally relative to said vertical axis of the stirrer and said slurry inlet means comprises mixing means. A separation installation includes the above settler and a method for separating a clarified liquid from a thickened slurry of a mineral slurry.


Find Patent Forward Citations

Loading…