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.
Patent No.:
Date of Patent:
Oct. 26, 2010
Filed:
Jan. 07, 2010
Applicants:
Richard J. Fruehan, Murrysville, PA (US);
David J. Roha, Greensburg, PA (US);
Anders Schei, Kristiansand, NO;
Mark L. Weaver, Greenwell Springs, LA (US);
Inventors:
Richard J. Fruehan, Murrysville, PA (US);
David J. Roha, Greensburg, PA (US);
Anders Schei, Kristiansand, NO;
Mark L. Weaver, Greenwell Springs, LA (US);
Assignees:
Alcoa Inc., Pittsburgh, PA (US);
Elkem AS, Oslo, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An agglomerate comprising alumina, carbon, and a binder for use in a vapor recovery reactor of a carbothermic alumina reduction furnace is disclosed. A method for using alumina-carbon agglomerates to capture aluminum vapor species and utilize waste heat from off-gases in a vapor recovery reactor to form a recyclable material is also disclosed.