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:
Jun. 28, 2016
Filed:
Mar. 26, 2012
Applicants:
Tim Corben, Vijfhuizen, NL;
Wolfram Franke, Porsgrunn, NO;
Marina Ettl, Alpen-Veen, DE;
Jan Hilmers, Berlin, DE;
Inventors:
Tim Corben, Vijfhuizen, NL;
Wolfram Franke, Porsgrunn, NO;
Marina Ettl, Alpen-Veen, DE;
Jan Hilmers, Berlin, DE;
Assignee:
YARA INTERNATIONAL ASA, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 3/28 (2006.01); C02F 1/72 (2006.01); C02F 3/00 (2006.01); C02F 103/32 (2006.01);
U.S. Cl.
CPC ...
C02F 3/286 (2013.01); C02F 1/722 (2013.01); C02F 3/006 (2013.01); C02F 3/28 (2013.01); C02F 2103/322 (2013.01); C02F 2103/325 (2013.01); C02F 2209/005 (2013.01); C02F 2209/02 (2013.01); C02F 2209/04 (2013.01); C02F 2209/265 (2013.01); C02F 2209/285 (2013.01); C02F 2209/40 (2013.01); C02F 2307/08 (2013.01); Y02E 50/343 (2013.01); Y02W 10/12 (2015.05);
Abstract
The present invention concerns a process for treatment of industrial waste water containing both easy biodegradable and heavy biodegradable matter wherein the process comprises the two steps of first treating the waste water in a bioreactor wherein a nitrate solution is added and secondly treating the waste water in a chemical oxidation step wherein an oxidizer, permanganate, is added.