The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 1999
Filed:
Mar. 24, 1997
Pierre Cote, Andresy, FR;
Jacques Sibony, Paris, FR;
Annie Tazi-Pain, Asnieres, FR;
Michel Faivre, Acheres, FR;
Omnium de Traitements et de Valorisation (OTV), Cedex, FR;
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.