	US 11,964,256 B2
	FCC catalyst additive with mixed alumina
Edward Lee Foster, Pearland, TX (US); Maria Margaret Ludvig, El Lago, TX (US); and Kevin Alfonso Miller, League City, TX (US)
Assigned to Ketjen Limited Liability Company, Houston, TX (US)
Appl. No. 16/494,875
Filed by Ketjen Limited Liability Company, Houston, TX (US)
PCT Filed Mar. 16, 2018, PCT No. PCT/US2018/022967 § 371(c)(1), (2) Date Sep. 17, 2019, PCT Pub. No. WO2018/170452, PCT Pub. Date Sep. 20, 2018.
Claims priority of provisional application 62/472,980, filed on Mar. 17, 2017.
Prior Publication US 2023/0149905 A1, May 18, 2023
Int. Cl. B01J 29/06 (2006.01); B01J 21/12 (2006.01); B01J 21/16 (2006.01); B01J 29/40 (2006.01); B01J 29/70 (2006.01); B01J 35/00 (2006.01); C07C 4/06 (2006.01)

CPC B01J 21/12 (2013.01) [B01J 21/16 (2013.01); B01J 29/40 (2013.01); B01J 29/70 (2013.01); B01J 35/002 (2013.01); C07C 4/06 (2013.01); C07C 2521/12 (2013.01); C07C 2521/16 (2013.01); C07C 2529/40 (2013.01); C07C 2529/70 (2013.01)]

14 Claims

1. An FCC additive composition comprising:

a. about 35 wt % to about 80 wt % zeolite;

b. about 0 wt % to about 10 wt % of silica binder;

c. about 7 wt % to about 20 wt % P₂O₅;

d. about 10.5 wt % to about 20 wt % alumina that comprises at least one large crystallite alumina having an average crystallite size of about 25 nm or greater and at least one small crystallite alumina having an average crystallite size from about 4 nm to about 5 nm;

e. the balance clay.