B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/68 (2006.01) B01D 15/00 (2006.01) B01D 53/02 (2006.01) B01J 20/08 (2006.01) C07C 17/38 (2006.01) C07C 45/79 (2006.01)
Patent
CA 2442516
The invention relates to a method for eliminating metal halides which are present in a liquid or gaseous, organic or non-organic effluent. According to the invention, the elimination is carried out by absorption of said metal halides on alumina agglomerates. The inventive method is characterised in that: the specific surface area of said agglomerates is between 50 and 350 m /g, preferably between 70 and 300 m /g and, better still, between 80 and 250 m /g; and the V¿80.ANG.? thereof is greater than or equal to 20 ml/100g, preferably greater than or equal to 25 ml/100g, better still greater than or equal to 30 ml/100g and, optimally, greater than or equal to 35 ml/100g.
L'invention concerne un procédé d'élimination des halogénures métalliques présents dans un effluent organique ou non organique, liquide ou gazeux, selon lequel on réalise cette élimination par adsorption desdits halogénures métalliques sur des agglomérés d'alumine, caractérisé en ce que: lesdits agglomérés ont une surface spécifiquecomprise entre 50 et 350 m /g, préférentiellement comprise entre 70 et 300 m /g, très préférentiellement comprise entre 80 et 250 m /g ; et en ce que: lesdits agglomérés ont un V80.ANG. supérieur ou égal ô 20 ml/100g, préférentiellement supérieur ou égal ô 25 ml/100g, très préférentiellement supérieur ou égal ô 30ml/100g, optimalement supérieur ou égal ô 35 ml/100g.
Axens
Robic
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