公开(公告)号：US3835031A

公开(公告)日：1974-09-10

申请号：US36308273

申请日：1973-05-23

Applicant: STANDARD OIL CO

Inventor： BERTOLACINI R ,  LEHMANN G ,  WOLLASTON E

IPC: B01D53/86 ,  B01J8/26 ,  B01J20/18 ,  B01J27/00 ,  B01J29/00 ,  B01J29/06 ,  B01J29/90 ,  B01J38/12 ,  C10G11/00 ,  C10G11/04 ,  C10G11/05 ,  C10G11/18 ,  B01J11/68 ,  C01B17/56

CPC classification number: C10G11/05 ,  B01J8/26 ,  B01J20/186 ,  B01J29/06 ,  B01J2229/20 ,  Y10S502/517

Abstract: A CYCLIC FLUIDIZED CATALYTIC CRACKING PROCESS IS OPERATED WITH A CATALYST COMPRISING MOLECULAR SIEVE IN A SILICAALUMINA MATRIX, IMPREGNATED WITH ONE OR MORE GROUP IIA METAL OXIDES, TO PROVIDE FROM ABOUT 0.25 TO ABOUT 5.0 WT. PERCENT OF GROUP IIA METAL OR METALS. THE EMISSION OF SULFUR OXIDES IN THE REGENERATOR STACK GASES IS DECREASED BY AT LEAST ABOUT 50%.