Pitch composition

• US 8,231,775 B2
• Filed: 06/15/2010
• Issued: 07/31/2012
• Est. Priority Date: 06/25/2009
• Status: Active Grant

• Current Assignee: UOP Llc (Honeywell International Inc.)
• Original Assignee: UOP Llc (Honeywell International Inc.)
• Inventors: McGehee, James F., Smyczynski, Ronald S.
• Primary Examiner(s): MCAVOY, ELLEN M
• Application Number:
  US12/815,599
• Publication Number:
  US 20100326882A1
• Time in Patent Office: 777 Days
• Field of Search: 208/22, 208/23, 208 39- 45
• US Class Current: 208/22
• CPC Class Codes: C08L 95/00 Compositions of bituminous materials, e.g. asphalt, tar, pitch
• CPC Class Codes: C10C 3/00 Working-up pitch, asphalt, bitumen compositions of asphalts and other bitumenous materials C08L95/00
• CPC Class Codes: C10G 2300/201 Impurities
• CPC Class Codes: C10G 49/22 Separation of effluents

Abstract

A process and apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a particulate solid material to form a heavy hydrocarbon slurry and hydrocracked in a slurry hydrocracking unit to produce vacuum gas oil (VGO) and pitch. A first vacuum column separates VGO from pitch, and a second vacuum column further separates VGO from pitch. As much as 15 wt-% of VGO can be recovered by the second vacuum column and recycled to the slurry hydrocracking unit. A pitch composition is obtained which can be made into particles and transported without sticking together.

Claims

1. A composition of pitch comprising hydrocarbon material boiling above 538°

C., with no more than about 30 wt-% VGO, a hydrogen concentration of no more than about 7.3 wt-% on an ash-free basis and at least about 10.2 wt-% toluene insoluble organic residue.

2. The composition of claim 1 further comprising an exhibition of onset of softening point temperature of at least 66°

C.

3. The composition of claim 1 further comprising no more than about 25 wt-% VGO.

4. The composition of claim 1 further comprising no more than about 14 wt-% VGO.

5. The composition of claim 1 further comprising at least about 1 wt-% VGO.

6. The composition of claim 1 further comprising an exhibition of hydrogen concentration of no more than about 6.9 wt-% or less.

7. The composition of claim 1 further comprising a hydrogen concentration of at least about 4.5 wt-%.

8. The composition of claim 7 further comprising a hydrogen concentration of at least about 5 wt-%.

9. A composition of pitch comprising hydrocarbon material boiling above 538°

C. and exhibiting an onset of softening point temperature of at least 66°

C. with no more than about 30 wt-% VGO, at least about 10.2 wt-% toluene insoluble organic residue and a hydrogen concentration of no more than about 6.9 wt-% on an ash-free basis.

10. The composition of claim 9 further comprising a hydrogen concentration of at least about 5 wt-%.

11. The composition of claim 9 further comprising no more than about 14 wt-% VGO.

12. The composition of claim 9 further comprising at least about 1 wt-% VGO.

13. The composition of claim 9 further comprising a density of at least about 1.15 g/cc.

14. The composition of claim 9 further comprising a density of no more than about 1.3 g/cc.

15. A composition of pitch comprising hydrocarbon material boiling above 538°

C. with less than about 30 wt-% VGO, a hydrogen concentration of no more than about 7.3 wt-% on an ash-free basis and a toluene insoluble organic residue of at least about 10.2 wt-%.

16. The composition of claim 15 further comprising no more than about 6.9 wt-% hydrogen.

17. The composition of claim 15 further comprising an exhibition of onset of softening point temperature of at least 66°

C.

18. The composition of claim 15 further comprising at least about 4.5 wt-% hydrogen.