B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 27/30 (2006.01) B01J 23/94 (2006.01) B01J 37/20 (2006.01) B01J 38/64 (2006.01)
Patent
CA 2255577
The invention features a method for treating a supported catalyst with a sulphur compound based active phase and a mercury compound contaminated mineral support. This method consists in implementing the following steps: the said catalyst is contacted with a basic aqueous solution of at least one sulphide selected among alkaline metal sulphides, alkaline-earth metal sulphides or ammonium sulphide; then the catalyst is separated from the basic aqueous solution. At the end of this process, the treated catalyst shows the same characteristics as before its contamination by mercury.
L'invention concerne un procédé de traitement d'un catalyseur supporté présentant une phase active à base d'un composé du soufre et un support minéral, contaminé par un composé du mercure. Ce procédé consiste à mettre en oeuvre les étapes suivantes: on met en contact ledit catalyseur avec une solution aqueuse basique d'au moins un sulfure choisi parmi les sulfures de métaux alcalins, les sulfures de métaux alcalino-terreux ou le sulfure d'ammonium, puis on sépare le catalyseur de la solution aqueuse basique. A l'issue de ce traitement, le catalyseur traité présente les mêmes caractéristiques qu'il possédait avant sa contamination par le mercure.
Bournonville Jean-Paul
Le Cloirec Pierre
Nocher Bernard
Ollivier James
Procatalyse
Robic
LandOfFree
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