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:
Sep. 10, 2019
Filed:
Oct. 11, 2017
Applicant:
Xylem Water Solutions U.s.a., Inc., Brown Deer, WI (US);
Inventors:
Trevor Wayne Ghylin, Wauwatosa, WI (US);
Sarah Olivia Elger, Cudahy, WI (US);
Daniel Sheldon, Waukesha, WI (US);
Assignee:
Xylem Water Solutions U.S.A., Inc., Brown Deer, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 3/30 (2006.01); C02F 3/28 (2006.01); C02F 3/12 (2006.01); C02F 3/00 (2006.01); C02F 11/12 (2019.01);
U.S. Cl.
CPC ...
C02F 3/308 (2013.01); C02F 3/006 (2013.01); C02F 3/1215 (2013.01); C02F 3/28 (2013.01); C02F 3/1263 (2013.01); C02F 3/301 (2013.01); C02F 11/12 (2013.01); C02F 2209/005 (2013.01); C02F 2209/006 (2013.01); C02F 2209/04 (2013.01); C02F 2209/05 (2013.01); C02F 2209/06 (2013.01); C02F 2209/07 (2013.01); C02F 2209/14 (2013.01); C02F 2209/18 (2013.01); C02F 2209/22 (2013.01); Y02W 10/15 (2015.05);
Abstract
A process for biological nutrient removal including: receiving fluid having sludge in a basin through a sludge inlet; activating an aeration system based at least partially on a time of day; periodically measuring a potassium level of the fluid; determining a potassium rate of change based on the periodic measurements of potassium level; and deactivating the aeration system based at least partially on the determined potassium rate of change. A system for biological nutrient removal is also disclosed.