公开(公告)号：US20230166244A1

公开(公告)日：2023-06-01

申请号：US17921668

申请日：2021-04-04

Applicant: BASF CORPORATION

Inventor： Junmei Wei ,  Nicholas Robert Favate ,  Samantha L. Rice ,  Lucas Dorazio

IPC: B01J29/08 ,  B01J37/04 ,  B01J37/08 ,  B01J37/02 ,  B01J35/08 ,  B01J35/10 ,  B01J21/04

CPC classification number: B01J29/084 ,  B01J21/04 ,  B01J35/08 ,  B01J35/1004 ,  B01J37/04 ,  B01J37/08 ,  B01J37/0215 ,  B01J2229/42 ,  B01J2229/64

Abstract: The present technology provides a method of making a fluid catalytic cracking (FCC) catalyst, the method includes: in situ crystallizing Y-zeolite on a precursor microsphere to provide the FCC catalyst, wherein the in situ crystallizing includes: mixing the precursor microspheres with sodium silicate, a zeolite initiator (seeding zeolite crystals), and water to form an alkaline slurry; and heating the alkaline slurry to a temperature of about 38° C. (100° F.) to about 93° C. (200° F.) to obtain a zeolitic microsphere material; and wherein the FCC catalyst has a zeolite content of less than or equal to about 30 weight percent (wt.%). The unit cell size of the zeolite Y is 24.60 to 24.70 angstrom.