Process for treating a solid-liquid mixture

Details Process for treating a solid-liquid mixture Process for treating a solid-liquid mixture

C - Chemistry, Metallurgy

02

F

C02F 1/36 (2006.01) B01J 19/00 (2006.01) B09C 1/10 (2006.01) C02F 1/34 (2006.01) C02F 3/00 (2006.01) C02F 11/02 (2006.01)

Patent

CA 2625363

A process is disclosed for treating a mixture of a solid and a liquid, the mixture including a contaminant. The process comprises the step of subjecting the mixture to cavitation wherein at least a portion of the contaminant is chemically decomposed. The process subsequently comprises the step of introducing a pre-determined biological species into the treated mixture to give a desired biological outcome, such as a biodegradation treatment, remediation or decomposition of the contaminant. Such a dual process can reduce the concentration of a contaminant to extremely low levels as well as achieve outcomes that the introduction of a biological species alone is not able to achieve.

L~invention concerne un procédé de traitement d~un mélange d~un solide et d~un liquide, ledit mélange comprenant un contaminant. Le procédé comprend une étape de soumission du mélange à une cavitation, lors de laquelle au moins une partie du contaminant est décomposée chimiquement. Le procédé comprend par la suite une étape d~introduction d~une espèce biologique prédéterminée dans le mélange traité afin d'obtenir un résultat biologique souhaité, tel qu'un traitement de biodégradation, une conversion ou une décomposition du contaminant. Un tel procédé double permet de réduire la concentration d~un contaminant à des niveaux extrêmement bas, ainsi que d~obtenir des résultats qui ne pourraient être atteints par l~introduction seule d~une espèce biologique.

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