Patent · US Expired

Sewage and wastewater treatment plant using anaerobic and aerobic microorganisms

US5843305A · kind A · utility

7Cited by
11References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1997
Grant dateDec 1, 1998
Priority date
Expiry dateFeb 25, 2017

Classification

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

Abstract

A sewage and wastewater treatment plant which comprises a bioreactor having an anaerobic treatment tank for anaerobic treatment, an aerobic contacting tank and a microorganism separation tank located in between the anaerobic and aerobic tanks respectively. In the anaerobic and aerobic tanks a media is provided in a layered honeycomb type arrangement for distributing the wastewater and sewage to be treated and for adherence of microorganisms.

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