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:
Feb. 11, 1997
Filed:
Jan. 11, 1996
Applicant:
Inventors:
James M Hawkins, Charlotte, NC (US);
Cindy Wallis-Lage, Prairie Village, KS (US);
Assignee:
Black & Veatch, Kansas City, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210605 ; 210621 ; 210623 ; 210903 ; 210906 ; 210630 ;
Abstract
An apparatus and method are provided that are useful in a process for treating organic wastewater for the removal of phosphorus and nitrogen compounds. The apparatus includes an anoxic zone, an oxic zone, and an anaerobic treatment zone, each having therein microorganisms that are operable to affect biological denitrification, BOD oxidation, luxury-uptake of phosphorus and formation of nitrates.