Patent · US Expired

Contact device and container for a rotating biological contactor

US5350507A · kind A · utility

7Cited by
35References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 1, 1993
Grant dateSep 27, 1994
Priority date
Expiry dateJun 1, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S261/72
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A biological reactor and media members wherein the reactor is made up of a hollow drum having end shields with openings in the drum periphery so that liquid can flow through the drum periphery. The drum is supported by outwardly extending shafts attached to end shields and no shaft section is disposed inside the drum. Hemispherical shaped hollow media members with internal ribs are supported in the drum for bacteria to form on and legs are attached to the outside of the hollow media members to engage other media members and thus, providing further agitation. About forty percent (40%) of the drum is disposed in the liquid.

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