PROCESS AND DEVICE FOR TREATING GASEOUS EFFLUENTS ISSUED FROM A CATALYTIC CRACKER.

摘要

THE DEVICE COMPRISES AT LEAST ONE FIRST STAGE FOR REGENERATING THE CATALYST USED FOR THE CATALYTIC CRACKING PROCESS. ACCORDING TO THE INVENTION, THE GASEOUS EFFLUENTS ISSUING FROM THE CRACKING CATALYST REGENERATOR ARE TREATED IN A HEAT RECOVERY UNIT (CR) COMPRISING A TREATING CHAMBER (15) OF THE ENTRAINED BED TYPE; THE ABSORBENT INTRODUCED IN THIS CHAMBER (15) HAS A''FINE'' GRAIN SIZE RANGING BETWEEN 0.1 AND 100 UM AND CAN BE REGENERATED IN THE DEVICE DOWNSTREAM FROM HEAT RECOVERY UNIT (CR). (FIG.1)