B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/2.E, 260/372
B01J 29/06 (2006.01) B01J 2/04 (2006.01) B01J 29/70 (2006.01) B01J 29/89 (2006.01) B01J 35/08 (2006.01) B01J 37/00 (2006.01) C07D 301/12 (2006.01)
Patent
CA 2309269
Process for producing spherical catalyst particles containing a zeolite as active element, according to which a sol containing zeolite crystals and at least one gel-forming compound is sprayed from below directly into a reaction zone containing a reaction gas such that the sol breaks up into individual sol beads immediately before or upon entry into the reaction zone, the sol beads flow through the reaction zone on a curved trajectory, in so doing are pre-consolidated and the sol beads are collected on a collecting means.
L'invention porte sur un procédé de production de particules sphériques de catalyseur renfermant un zéolite en tant qu'élément actif. Un sol renfermant des cristaux de zéolite et au moins un composé gélifiant sont vaporisés par en dessous directement sur une zone de réaction renfermant un gaz de réaction, ceci de telle sorte que le sol se fragmente en cordons immédiatement avant d'entrer ou en entrant dans la zone de réaction; les cordons de sol s'écoulent au travers de la zone de réaction selon une trajectoire courbe, au cours de laquelle ils sont préconsolidés, et sont recueillis sur un organe collecteur.
Bretz Karl-Heinz
Derleth Helmut
Strebelle Michel
Robic
Solvay (societe Anonyme)
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