Process for the desulfurization of petroleum feeds
US6303020A · kind A · utility
40Cited by
23References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2000 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Feb 11, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for the hydrodesulfurization of a cracked naphtha stream is disclosed where very little of the valuable olefins are saturated. The process is a two staged process wherein the H.sub.2 S is removed between the stages to prevent recombinant mercaptans formation. Because the H.sub.2 S is removed between the stages milder conditions can be used in the second stage polishing reactor to achieve the same desulfurization levels with less olefin loss.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.