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:
Aug. 22, 2017
Filed:
Nov. 26, 2012
Applicants:
Richard A. Novak, Naperville, IL (US);
Malcolm E. Fabiyi, Chicago, IL (US);
Inventors:
Richard A. Novak, Naperville, IL (US);
Malcolm E. Fabiyi, Chicago, IL (US);
Assignee:
PRAXAIR TECHNOLOGY, INC., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/78 (2006.01); C02F 3/30 (2006.01); C02F 3/12 (2006.01); C02F 3/26 (2006.01); C02F 1/20 (2006.01); C02F 3/00 (2006.01); C02F 3/14 (2006.01);
U.S. Cl.
CPC ...
C02F 1/78 (2013.01); C02F 3/1221 (2013.01); C02F 3/26 (2013.01); C02F 3/301 (2013.01); C02F 1/20 (2013.01); C02F 3/006 (2013.01); C02F 3/14 (2013.01); C02F 2209/003 (2013.01); C02F 2209/005 (2013.01); C02F 2209/02 (2013.01); C02F 2209/03 (2013.01); C02F 2209/22 (2013.01); C02F 2209/225 (2013.01); C02F 2209/23 (2013.01); C02F 2209/245 (2013.01); C02F 2209/38 (2013.01); C02F 2209/40 (2013.01); C02F 2301/043 (2013.01); C02F 2301/046 (2013.01); C02F 2303/04 (2013.01); C02F 2303/18 (2013.01); Y02W 10/15 (2015.05);
Abstract
Method and system for treating wastewater includes treating sludge with ozone in a plug-flow type reactor to cause lysis of biosolids in the sludge. The ozonated sludge may be provided to an anaerobic or anoxic section of the wastewater treatment system to aid the denitrification processes occurring in the anaerobic or anoxic section of the wastewater treatment system or to other sections of the wastewater treatment system such as a fermenter, an aerobic digester, or an anaerobic digester.