C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 3/34 (2006.01) C02F 3/02 (2006.01)
Patent
CA 2407199
A process for treatment of aqueous effluents that contain at least methyl-tert-butyl ether (MTBE) or methyl-tert-amyl ether (TAME) so as to reduce the concentration of said ether is described, characterized in that a Mycobacterium austroafricanum I-2562 bacterium is grown under aerobic conditions in the presence of a growth substrate that contains said ether, and said ether is degraded by said bacterium down to the final degradation products, carbon dioxide and water. The results are improved in the presence of yeast extract. Application to the treatment of an aquifer.
On décrit un procédé de traitement d'effluents aqueux contenant au moins du méthyl tertio butyl éther (MTBE) ou du méthyltertioamyl éther (TAME) afin de réduire la concentration dudit éther, caractérisé en ce qu'on fait croître en conditions aérobies une bactérie Mycobacterium austroafricanum I-2562 en présence d'un substrat de croissance contenant le dit éther et on fait dégrader le dit éther par ladite bactérie jusqu'aux produits ultimes de dégradation, le dioxyde de carbone et l'eau. Les résultats sont améliorés en présence d'extrait de levure. Application au traitement d'un aquifère.
Fayolle Francoise
Francois Alan
Monot Frederic
Institut Francais Du Petrole
Robic
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