Method and feedstock for producing hydrocarbons

Patent metadata

Field	Value
Publication number	US-11021658-B2
Application number	US-202016944776-A
Country	US
Kind code	B2
Filing date	Jul 31, 2020
Priority date	Apr 3, 2019
Publication date	Jun 1, 2021
Grant date	Jun 1, 2021

Abstract

A method for producing a cracking product having a mixture of hydrocarbons, a thermal cracking feedstock, a cracking product containing a mixture of hydrocarbons is disclosed as is a method involving use of the cracking product for producing polymers.

First claim

What is claimed is:

1. A thermal cracking feedstock, comprising:
a 1-100 wt-% renewable isomeric paraffin composition of a total weight of a thermal cracking feedstock, the renewable isomeric paraffin composition containing:
at least 60 wt-% paraffins of a total weight of the renewable isomeric paraffin composition, wherein of said paraffins 10-95 wt-% are isoparaffins and of said isoparaffins at least 80 wt-% are in a range of carbon number C14-C18, and a ratio of a wt-% amount of isoparaffins with more than three branches to a total wt-% amount of the isoparaffins is less than 0.12; and
0-99 wt-% fossil naphtha of the total weight of the thermal cracking feedstock,
a sum of wt-% amounts of the renewable isomeric paraffin composition and of the fossil naphtha is at least 90 wt-% of the total weight of the thermal cracking feedstock.

2. The thermal cracking feedstock according to claim 1 , wherein the thermal cracking feedstock comprises:
50-100 wt-% renewable isomeric paraffin composition of the total weight of the thermal cracking feedstock; and
0-50 wt-% fossil naphtha of the total weight of the thermal cracking feedstock.

3. The thermal cracking feedstock according to claim 2 , wherein the ratio of the wt-% amount of isoparaffins with more than three branches to the total wt-% amount of the isoparaffins in the renewable isomeric paraffin composition is less than 0.10.

4. The thermal cracking feedstock according to claim 3 , wherein of the isoparaffins in the renewable isomeric paraffin composition, at least 85 wt-% are in the range of carbon number C14-C18.

5. The thermal cracking feedstock according to claim 4 , wherein of the total weight of the renewable isomeric paraffin composition at least 70 wt-% are paraffins, and of the paraffins in the renewable isomeric paraffin composition, 60-95 wt-%, are isoparaffins.

6. The thermal cracking feedstock according to claim 5 , wherein the fossil naphtha comprises:
20-85 wt-% paraffins, 0-35 wt-% olefins, 10-30 wt-% naphthenes, and 0-30 wt-% aromatics of a total weight of the fossil naphtha, a wt-% of hydrocarbons in the fossil naphtha is at least 95 wt-% of a total weight of the fossil naphtha.

7. The thermal cracking feedstock according to claim 6 , wherein the thermal cracking feedstock comprises:
sulfur 20-300 ppm by weight.

8. The thermal cracking feedstock according to claim 1 , wherein the thermal cracking feedstock comprises:
50-85 wt-% renewable isomeric paraffin composition and 15-50 wt-% fossil naphtha of the total weight of the thermal cracking feedstock; and
the sum of the wt-% amounts of the renewable isomeric paraffin composition and of the fossil naphtha is at least 95 wt % of the total weight of the thermal cracking feedstock.

9. The thermal cracking feedstock according to claim 8 , wherein of the isoparaffins in the renewable isomeric paraffin composition, at least 85 wt-% are in the range of carbon number C14-C18.

10. The thermal cracking feedstock according to claim 8 , wherein the thermal cracking feedstock comprises:
50-85 wt-% renewable isomeric paraffin composition and 15-50 wt-% fossil naphtha of the total weight of the thermal cracking feedstock; and
the sum of the wt-% amounts of the renewable isomeric paraffin composition and of the fossil naphtha is at least 99 wt-% of the total weight of the thermal cracking feedstock.

11. The thermal cracking feedstock according to claim 1 , wherein the ratio of the wt-% amount of isoparaffins with more than three branches to the total wt-% amount of the isoparaffins in the renewable isomeric paraffin composition is less than 0.10.

12. The thermal cracking feedstock according to claim 11 , wherein the ratio of the wt-% amount of isoparaffins with more than three branches to the total wt-% amount of the isoparaffins in the renewable isomeric paraffin composition is less than 0.05.

13. The thermal cracking feedstock according to claim 1 , wherein of the isoparaffins in the renewable isomeric paraffin composition, at least 85 wt % are in the range of carbon number C14-C18.

14. The thermal cracking feedstock according to claim 13 , wherein of the isoparaffins in the renewable isomeric paraffin composition, at least 95 wt-% are in the range of carbon number C14-C18.

15. The thermal cracking feedstock according to claim 1 , wherein of the total weight of the renewable isomeric paraffin composition at least 70 wt % are paraffins, and of the paraffins in the renewable isomeric paraffin composition, 60-95 wt % are isoparaffins.

16. The thermal cracking feedstock according to claim 15 , wherein of the total weight of the renewable isomeric paraffin composition at least 80 wt-% are paraffins.

17. The thermal cracking feedstock according to claim 15 , wherein of the paraffins in the renewable isomeric paraffin composition, 60-80 wt-% are isoparaffins.

18. The thermal cracking feedstock according to claim 1 , wherein the fossil naphtha comprises:
20-85 wt-% paraffins, 0-35 wt-% olefins, 10-30 wt-% naphthenes, and 0-30 wt-% aromatics of a total weight of the fossil naphtha, a wt-% of hydrocarbons in the fossil naphtha is at least 95 wt % of a total weight of the fossil naphtha.

19. The thermal cracking feedstock according to claim 1 , wherein the thermal cracking feedstock comprises:
sulfur 20-300 ppm by weight.

20. The thermal cracking feedstock according to claim 19 , wherein the thermal cracking feedstock comprises:
sulfur 20-250 ppm by weight.

21. The thermal cracking feedstock according to claim 19 , wherein the thermal cracking feedstock comprises:
sulfur 20-100 ppm by weight.

22. The thermal cracking feedstock according to claim 19 , wherein the thermal cracking feedstock comprises:
sulfur 50-65 ppm by weight.

23. The thermal cracking feedstock according to claim 1 , wherein the thermal cracking feedstock comprises:
60-85 wt-% renewable isomeric paraffin composition and 15-40 wt-% fossil naphtha of the total weight of the thermal cracking feedstock; and
the sum of the wt-% amounts of the renewable isomeric paraffin composition and of the fossil naphtha is at least 95 wt-% of the total weight of the thermal cracking feedstock.

24. The thermal cracking feedstock according to claim 1 , wherein of the isoparaffins in the renewable isomeric paraffin composition, at least 90 wt-% are in the range of carbon number C14-C18.

Assignees

• Neste Oyj

Inventors

• Jamieson John
• Ojala Antti

Classifications

• C10L1/04 Primary

  essentially based on blends of hydrocarbons · CPC title

• C10G9/36 Primary

  with heated gases or vapours · CPC title

• C10G9/32 Primary

  according to the "fluidised-bed" technique · CPC title

• C10G3/50 Primary

  in the presence of hydrogen, hydrogen donors or hydrogen generating compounds · CPC title

• C10G57/02

  with polymerisation · CPC title