Patent · US Active

Wastewater treatment apparatus

US8496808B2 · kind B2 · utility

0Cited by
12References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 2007
Grant dateJul 30, 2013
Priority date
Expiry dateFeb 19, 2029

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2303/26
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A wastewater treatment apparatus (10) includes one or more treatment tanks (12, 14). Each treatment tank (12, 14) has an associated oxygenation treatment circuit (18) including a gas and liquid mixing chamber (20), a gas injector (22) upstream of the mixing chamber (20) and one of an oxygen generator (24) or an ozone generator (26) supplying gas to the gas injector (22), and a pump (28, 29) for pumping wastewater from the treatment tank (12, 14) through the mixing chamber (20) and back to the treatment tank (28, 29).

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