公开(公告)号：US3651163A

公开(公告)日：1972-03-21

申请号：US3651163D

申请日：1969-02-27

Applicant: STANDARD OIL CO

Inventor： RADFORD HERSCHEL D ,  POHLMANN HANS P ,  GUTBERLET LOUIS C

IPC: C07C4/18 ,  C07C3/58 ,  C10G13/08 ,  C10G39/00

CPC classification number: C07C4/18 ,  C07C2521/12 ,  C07C2523/18 ,  C07C2523/42 ,  C07C2523/44 ,  C07C2523/46 ,  C07C2523/75 ,  C07C2523/755 ,  C07C2527/14

Abstract: ALKYL BENZENES AND/OR ALKYL NAPHTHALENES ARE DEALKYLATED BY CONTACTING A FEED STOCK RICH IN THESE COMPOUNDS AT ELEVATED TEMPERATURES AND UNDER HYDROGEN PRESSURE WITH A CATALYST COMPRISING A SILICA-ALUMINA CRACKING BASE IMPREDMATED WITH A HYDROGENATION COMPONENT, A SECOND METAL FROM GROUP V-A OF THE PERIODIC TABLE, AND A HALOGEN. THE PREFERRED HYDROGENATION COMPONENT IS NICKEL, THE PREFERRED GROUP V-A METAL IS ARSENIC, AND THE PREFERRED HALOGEN IS FLUORINE. IN THE RECOVERED PRODUCT, AT LEAST A PORTION OF THE COMPOUNDS HAVE A REDUCED NUMBER OF ALKYL GROUPS