Patent · US Expired

Installation for biological water treatment for the production of drinkable water

US5932099A · kind A · utility

60Cited by
8References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1997
Grant dateAug 3, 1999
Priority date
Expiry dateMar 24, 2017

Classification

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

Abstract

This invention relates to a plant for the biological treatment of water to produce drinking water, characterized in that it comprises at least one biological reactor (7) provided with injection means (9) for injecting oxygenated gas, at least one separation membrane (11 for microfiltration or ultrafiltration immersed in said reactor (7), and addition means (10) for adding to said reactor (7) at least one pulverulent material in suspension serving as a support for a biomass, said pulverulent material possibly being a reactive powder which also allows fixation of the substrate required by said biomass.

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