Claims
- 1. A hydrocarbon conversion process for converting a heavy hydrocarbon vacuum bottoms charge oil into lighter products which comprises passing said heavy hydrocarbon vacuum bottoms charge oil at hydrocarbon conversion conditions into contact with a hydrocarbon conversion catalyst containing a zeolite selected from the group consisting of ultrastable Y-zeolites and superultrastable Y-zeolites characterized by
- (i) a decreased unit cell size of from about 24.05 .ANG. to less than 24.15 .ANG.,
- (ii) a Secondary Pore Size of 105 .ANG.-190 .ANG.,
- (iii) a Secondary Pore Volume of 0.11-0.14 cc/g,
- (iv) a Secondary Pore Mode of 125 .ANG.-155,
- (v) a Surface Silicon to Aluminum Atom Ratio of 24-30, and
- (vi) an Acid Site Density of about 1-6.
Parent Case Info
This is a continuation of application Ser. No. 07/463,650, filed Jan. 11, 1990 and now abandoned.
US Referenced Citations (7)
Continuations (1)
|
Number |
Date |
Country |
Parent |
463650 |
Jan 1990 |
|