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:
Apr. 08, 2025

Filed:

Sep. 07, 2021
Applicant:

Somerset International Finance Designated Activity Company, Dublin, IE;

Inventors:

David Osborne, Redland Bay, AU;

James Graham, St. Lucia, AU;

Geoff Orr, Shorncliffe, AU;

James C. Fisher, II, Morgantown, WV (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 11/127 (2019.01); B01D 21/02 (2006.01); B01D 21/26 (2006.01); C02F 9/00 (2023.01); C02F 11/147 (2019.01); C10G 1/04 (2006.01); B01D 21/01 (2006.01); C02F 1/52 (2023.01); C02F 103/10 (2006.01); E21B 21/06 (2006.01); E21B 43/34 (2006.01);
U.S. Cl.
CPC ...
C02F 11/127 (2013.01); B01D 21/02 (2013.01); B01D 21/262 (2013.01); C02F 9/00 (2013.01); C02F 11/147 (2019.01); C10G 1/045 (2013.01); B01D 21/01 (2013.01); C02F 1/52 (2013.01); C02F 2103/10 (2013.01); C02F 2305/04 (2013.01); E21B 21/068 (2013.01); E21B 43/34 (2013.01);
Abstract

Methods of dewatering tailings, including tailings streams that may include a clay, ultra-fine particles, or both. The methods may include providing a tailings stream, dewatering the tailings stream with a dewatering apparatus to produce a first cake and a first residual effluent stream, contacting the first residual effluent stream with one or more additives, and dewatering the first residual effluent stream with a solid bowl centrifuge to produce a second cake and a second residual effluent stream. The methods may include providing a tailings stream, contacting the tailings stream with one or more additives, and dewatering the tailings stream with a solid bowl centrifuge to produce a first cake and a first residual effluent stream.


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