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. 21, 2006
Filed:
Jun. 08, 2004
Raleigh L. Cox, Baton Rouge, LA (US);
Christopher E. Cox, Denham Springs, LA (US);
Brenda Guy, Baton Rouge, LA (US);
Michael D. Catanzaro, Baton Rouge, LA (US);
Murphy M. Arcemont, Iii, Gonzales, LA (US);
Travis L. Lejeune, Baton Rouge, LA (US);
Raleigh L. Cox, Baton Rouge, LA (US);
Christopher E. Cox, Denham Springs, LA (US);
Brenda Guy, Baton Rouge, LA (US);
Michael D. Catanzaro, Baton Rouge, LA (US);
Murphy M. Arcemont, III, Gonzales, LA (US);
Travis L. LeJeune, Baton Rouge, LA (US);
Pentair Pump Group, Inc., Golden Valley, MN (US);
Abstract
The present invention is a method for reducing the nitrate concentration in wastewater within a wastewater treatment apparatus configured to define an aeration zone and a quiescent zone or dilution zone. The method comprises the step of ceasing airflow into the aeration zone for a predetermined time period or until the dissolved oxygen level within the wastewater has reached a predetermined threshold. The method also comprise the step of mixing the wastewater in the aeration zone to prevent suspended particles within the wastewater in the aeration zone from settling and to avoid substantially disturbing the quiescence of the quiescent zone.