Improvements to oxidising processes by oxygen transfer...

B - Operations – Transporting – 01 – J

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B01J 19/00 (2006.01) B01J 10/00 (2006.01) C02F 1/00 (2006.01) C02F 1/72 (2006.01) C02F 1/74 (2006.01) C02F 11/08 (2006.01) D21C 11/00 (2006.01) C02F 1/02 (2006.01) C02F 1/78 (2006.01)

Patent

CA 2436927

The invention concerns a method for oxidising with an oxidising gas a liquid contained in a reactor (1) having a closed volume. The reactor (1) comprises at least means (4) for introducing gas in to the reactor and at least means (5) for introducing liquid into the reactor, at least liquid evacuating means (12), at least gas evacuating means. In said method, the liquid contains compounds to be oxidised and the oxidising gas contains oxygen, the liquid and the gas are introduced into the reactor in amounts such that a gaseous roof is formed above the liquid contained in the reactor, a gas roof bleeding is produced. The invention is characterised in that said bleeding provides a predetermined partial pressure of the oxygen in the gaseous roof, the value of said partial pressure corresponding to a desired oxidising rate for said compounds.

Un procédé d'oxydation à l'aide d'un gaz d'oxydation d'un liquide contenu dans un réacteur (1) présentant un volume clos. Le réacteur (1) comprend au moins un moyen (4) d'introduction du gaz dans le réacteur et au moins un moyen (5) d'introduction du liquide dans le réacteur, au moins un moyen (12) d'évacuation du liquide, au moins un moyen d'évacuation du gaz. Dans ledit procédé, le liquide contient des composés à oxyder et le gaz d'oxydation contient de l'oxygène, le liquide et le gaz d'oxydation sont introduits dans le réacteur en quantités telles qu'un ciel gazeux est formé au-dessus du liquide contenu dans le réacteur, une purge du ciel gazeux est réalisée. De façon caractéristique, ladite purge assure une pression partielle d'oxygène dans le ciel gazeux prédéterminée, la valeur de cette pression partielle correspondant au taux d'oxydation désiré des dits composés.

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