公开(公告)号：US3729521A

公开(公告)日：1973-04-24

申请号：US3729521D

申请日：1970-09-01

Applicant: STANDARD OIL CO

Inventor： GUTBERLET L ,  BERTOLACINI R ,  BRENNAN H

IPC: B01J29/08 ,  B01J29/16 ,  B01J29/70 ,  B01J29/90 ,  B01J37/20 ,  C07C6/00 ,  C07C6/12 ,  C07C15/00 ,  C07C3/00

CPC classification number: C07C6/123 ,  B01J29/084 ,  B01J29/166 ,  B01J29/70 ,  B01J29/90 ,  B01J37/20 ,  B01J2229/26 ,  B01J2229/42 ,  C07C6/00 ,  Y02P20/584

Abstract: THE PROCESS COMPRISES CONTACTING IN A REACTION ZONE A PETROLEUM HYDROCARBON FRACTION WITH A CATALYTIC COMPOSITION UNDER SUITABLE DISPROPORTIONATION CONDITIONS, SAID CATALYTIC COMPOSITION COMPRISING A MEMBER SELECTED FROM THE GROUP CONSISTING OF (1) A METAL OF GROUP VI-B OF THE PERIODIC TABLE OF ELEMENTS, 2() A METAL OF GROUP VIII OF THE PERIODIC TABLE, (3) THE OXIDE OF A METAL OF GROUP VI-B, (4) THE SULFIDE OF A METAL OF GROUP VI-B, (5) THE OXIDE OF A METAL OF GROUP VIII, (6) THE SULFIDE OF A METAL OF GROUP VIII, AND (7) MIXTURES THEREOF DEPOSITIONED UPON A SOLID ACIDIC CRACKING SUPPORT, WHICH SUP/ PORT COMPRISES AN ULTRASTABLE, LARGE-PORE CRYSTALLINE ALUMINOSILICATE MATERIAL AND A REFACTORY INORGANIC OXIDE. THE PREFERRED METAL OF GROUP VI-B IS MOLYBDENUM AND THE PREFERRED METAL OF GROUP VIII IS COBALT. THE CATALYST IS SUBJECTED TO A SULFUR-PROVIDING COMPOUND TO INHIBIT DEMETHANATION.