EP 0833690 A1 19980408 - PROCESS FOR REGENERATING A HIGH TEMPERATURE TREATED ZEOLITE CATALYST
Title (en)
PROCESS FOR REGENERATING A HIGH TEMPERATURE TREATED ZEOLITE CATALYST
Title (de)
VERFAHREN ZUM REGENIEREN EINES HOCHTEMPERATURBEHANDELTEN ZEOLITISCHEN KATALYSATORS
Title (fr)
PROCEDE DE REGENEATION D'UN CATALYSEUR AUX ZEOLITES TRAITE A HAUTE TEMPERATURE
Publication
Application
Priority
- US 9607746 W 19960509
- US 45092695 A 19950525
Abstract (en)
[origin: WO9637299A1] Provied is a process for regenerating a high temperature treated reforming catalyst which has been deactivated due to coke deposition and which catalyst comprises at least one Group VIII metal. The process comprises first burning coke from the catalyst by contacting the catalyst with an oxygen containing gas. The catalyst is then reduced by contacting the catalyst with a reducing gas, preferably hydrogen. The catalyst is then treated at a temperature in the range of from 975 DEG to less than 1150 DEG F. This last treatment step can take place in either a reducing atmosphere, or in an inert gaseous atmosphere. It is also preferred that the last step be conducted while maintaining the water level of the effluent gas below 200 ppmv.
IPC 1-7
IPC 8 full level
B01J 29/62 (2006.01); B01J 29/90 (2006.01); B01J 38/12 (2006.01); B01J 38/18 (2006.01); C10G 35/06 (2006.01); C10G 35/095 (2006.01)
CPC (source: EP)
B01J 29/90 (2013.01); B01J 38/18 (2013.01); C10G 35/06 (2013.01); C10G 35/095 (2013.01)
Citation (search report)
See references of WO 9637299A1
Designated contracting state (EPC)
BE DE ES FR GB IT NL
DOCDB simple family (publication)
WO 9637299 A1 19961128; CA 2220685 A1 19961128; EP 0833690 A1 19980408; JP 2001501861 A 20010213; MX 9708880 A 19980331
DOCDB simple family (application)
US 9607746 W 19960509; CA 2220685 A 19960509; EP 96916656 A 19960509; JP 53593196 A 19960509; MX 9708880 A 19960509