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:
Jan. 04, 1994
Filed:
Feb. 25, 1992
Harold J Beard, Baton Rouge, LA (US);
Other;
Abstract
An oxidation ditch wastewater treatment and denitrification system is provided, comprising an oxidation ditch, including a central channel, having an inlet end, an outlet end, a bottom and two sidewalls; an aeration channel, having an inlet end fluidly connected to the outlet end of the central channel, an outlet end fluidly connected to the inlet end of the central channel, a bottom and two sidewalls; and a denitrification channel, having an inlet end fluidly connected to the outlet end of the central channel, an outlet end fluidly connected to the inlet end of the central channel, a bottom and two sidewalls; an aerator, positioned in the aeration channel; and at least one circulation device, positioned in the oxidation ditch and adapted to circulate wastewater from the inlet end of the central channel to the outlet end of the central channel, from the inlet end of the aeration channel to the outlet end of the aeration channel, and from the inlet end of the denitrification channel to the outlet end of the denitrification channel.