Process for removing oxidizable substance or reducible...

B - Operations – Transporting – 01 – J

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B01J 31/08 (2006.01) B01J 39/20 (2006.01) B01J 47/00 (2006.01) C02F 1/42 (2006.01) C02F 1/72 (2006.01) C02F 1/76 (2006.01) C02F 1/78 (2006.01)

Patent

CA 2095199

An oxidizable substance and/or a reducible substance is removed from a liquid, such as a liquid industrial waste, by treating the liquid with a composite comprising a fluorine-containing organic cation exchanger and a metal oxide or hydroxide, supported on the cation exchanger. The metal of the metal oxide or hydroxide is selected from manganese and elements of group 1B and group 8 of the periodic table. This treatment is carried out, if required, in the presence of an oxidizing agent, or by using the composite which has previously been treated with an oxidizing agent.

Une substance oxydable et (ou) réductible est extraite d'un liquide, tel qu'un déchet industriel liquide, en soumettant ce liquide à l'action d'un composé contenant un échangeur de cations organique constitué de fluor et d'un oxide métallique ou d'un hydroxyde que l'échangeur de cations supporte. Le métal de l'oxide métallique ou de l'hydroxyde est choisi à partir d'un manganèse et d'éléments des groupes 1B et 8 du tableau périodique. Ce traitement est effectué, s'il y a lieu, en présence d'un agent oxydant, ou en utilisant le composé qui a déjà été soumis à l'action de l'agent oxydant.

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