Patent · US Expired

Regulating air velocity continuously injected into biological water treatment reactor

US7407584B2 · kind B2 · utility

10Cited by
4References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 27, 2005
Grant dateAug 5, 2008
Priority date
Expiry dateMay 27, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W10/10
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A method of treating wastewater wherein the biomass associated with the wastewater is subjected to simultaneous nitrification and denitrification in a single reactor. The method entails directing a wastewater influent stream into the reactor and measuring the concentration of N—NH4 in the influent wastewater stream at a point upstream from the reactor. Air is supplied to the reactor for aerating the biomass in the reactor. The method includes controlling the quantity of air introduced into the reactor based in part at least on the measured concentration of N—NH4.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.