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:
Aug. 11, 2026

Filed:

Nov. 27, 2017
Applicant:

Altek Europe Ltd., Chesterfield, GB;

Inventors:

Alan Peel, Chesterfield, GB;

Andrew Gibbs, Chesterfield, GB;

Assignee:

Altek Europe Limited, Chesterfield, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 21/00 (2006.01); C22B 7/04 (2006.01);
U.S. Cl.
CPC ...
C22B 21/0069 (2013.01); C22B 7/04 (2013.01); C22B 21/0007 (2013.01); Y02P 10/20 (2015.11);
Abstract

Methods and apparatus for processing a material, the material being the upper layer from a metal melting process, the material containing one or more salts, the material containing one or metals, are provided. The method includes feeding the material to a size reduction step; feeding the material from the size reduction step to a density based separation step; feeding the material from the density based separation step to a leaching step. The size reduction stage is optimised to provide exposure of material for a ferrous and non-ferrous metal separation. The ferrous separation is preferably provided by an eddy current separator. The non-ferrous separation is preferably provided by a cyclone.


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