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:
Jul. 03, 2001
Filed:
Jul. 15, 1999
Guillermina Hernandez, Paris, FR;
François Le Roux, Rueil Malmaison, FR;
François Fayolle, Clamart, FR;
Jean-Paul Vandecasteele, Fourqueux, FR;
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Abstract
A process for treating aqueous effluents that contain at least one ether, preferably ethyl tert-butyl ether (ETBE) and/or methyl tert-butyl ether (MTBE) and/or tert-amylmethylether (TAME) to reduce the concentration of said ether is described, characterized in that in the presence of a growth substrate, at least one bacterium that is selected from the group that is formed by,CIP I-1889 and,CIP I-2053 is grown in aerobic conditions, and the ether that is contained in the effluents is degraded in the presence of the substrate by the biomass of the bacteria that are thus produced.