B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/87
B01J 23/96 (2006.01) B01J 27/32 (2006.01) B01J 38/44 (2006.01) C10G 35/12 (2006.01)
Patent
CA 2232508
The invention concerns a process for regenerating an aromatics production and reforming catalyst, including combustion stages (A), oxychlorination (B) and calcination (C), in which at least one chlorinating agent (line 19), at least one gas containing oxygen (line 18), and water (line 20) are introduced for the oxychlorination stage such that the molar ratio H2O/HCl is 3 to 50. The oxychlorination stage takes place in the presence of an oxychlorination gas containing less than 21% oxygen and at least 50 ppm by weight of chlorine (calculated as HCl) and at a temperature of 350 - 600°C. The moving bed regeneration chamber with use of gases from the combustion chamber is also claimed.
L'invention concerne un procédé de régénération d'un catalyseur de production d'aromatiques et notamment de reformage, comprenant les étapes de combustion (A), oxychloration(B) et calcination (C), dans lequel il est introduit pour l'étape d'oxychloration au mois un agent chlorant (conduite 19), au moins au gaz contenant de l'oxygène (conduite 18), et de l'eau (conduite 20) tel que le rapport molaire H20/HCl soit de 3 à 50, l'étape d'oxychloration se déroulant en présence d'un gaz d'oxychloration contenant moins de 21% d'oxygène et au moins 50 ppm poids de chlore (calculé HCl), et à une température de 350-600°C. L'enceinte de régénération en lit mobile avec utilisation des gaz issus de la combustion apport d'eau est également revendiquée.
Capelle Marianne
Deves Jean-Marie
Hoffmann Frederic
Thery Michel
Institut Francais Du Petrole
Robic
LandOfFree
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