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:
Mar. 01, 2016
Filed:
Mar. 03, 2011
Applicant:
Matthew Stephen Grimley, Lincolnshire, GB;
Inventor:
Matthew Stephen Grimley, Lincolnshire, GB;
Assignee:
Intevep, S.A., Caracas, VE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 7/00 (2006.01); C22B 34/34 (2006.01); C22B 3/26 (2006.01); C22B 3/12 (2006.01); C22B 3/44 (2006.01); C22B 23/02 (2006.01); C22B 34/22 (2006.01); C22B 3/00 (2006.01);
U.S. Cl.
CPC ...
C22B 34/345 (2013.01); C22B 3/0005 (2013.01); C22B 3/12 (2013.01); C22B 3/44 (2013.01); C22B 7/008 (2013.01); C22B 7/009 (2013.01); C22B 23/026 (2013.01); C22B 23/0461 (2013.01); C22B 34/225 (2013.01); Y02W 30/54 (2015.05);
Abstract
A method of recovering vanadium, nickel and molybdenum from heavy crude oil refinery residues comprises pyrolysis and combustion of the residues at temperatures up to 900° C. to produce an ash, converting the ash to an aqueous slurry comprising sodium hydroxide as leading agent and hydrogen peroxide as oxidizer, and extracting vanadium, nickel and molybdenum salts and oxides from the slurry. Extraction processes for the metals are disclosed.