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:
Jan. 10, 2006
Filed:
Feb. 15, 2002
Applicants:
Paul Etienne, Montclar de Lauragais, FR;
Pierre Buffiere, Paris, FR;
Inventors:
Paul Etienne, Montclar de Lauragais, FR;
Pierre Buffiere, Paris, FR;
Assignee:
Ondeo Degremont, Rueil Malmaison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a method for biological purification of effluents in mixed cultures using micro-organisms whereof part at least is fixed on solid supports. The invention is characterized in that said supports are activated so as to generate a turbulence in the reaction medium, the intensity of which is such that it reduces the production of biological sludge, the materials constituting said micro-organism supports being abraded and cleaned, while being retained in said reaction medium.