公开(公告)号：US3725243A

公开(公告)日：1973-04-03

申请号：US3725243D

申请日：1970-07-10

Applicant: UNION OIL CO

Inventor： ATTANE E ,  JONES D ,  BARAL W ,  REEG C ,  HASS R ,  MICKELSON G

IPC: B01J29/06 ,  C10G49/08 ,  C10G13/02 ,  B01J11/82

CPC classification number: B01J29/061 ,  C10G49/08

Abstract: HYDROCARBON CONVERSION CATALYSTS HAVING MARKEDLY IMPROVED CHARACTERISTICS ARE PREPARED FROM INTIMATE ADMIXTURES OF FORAMINOUS ALUMINA-CONTAINING REFRACTORY OXIDES AND ION EXCHANGEABLE CRYSTALLINE ALUMINOSILICATE ZEOLITES BY IMPREGNATION WITH A STRONG ACIDIC SOLUTION CONTAINING GROUP VIII AND GROUP VI METAL COMPOUNDS AND AN ACID OF PHOSPHORUS AT A PH BELOW 3, TO SUBSTANTIALLY DESTROY THE ZEOLITE CRYSTALLINITY.