Naphtha desulfurization method
US6960291B2 · kind B2 · utility
24Cited by
35References
24Claims
0Family size
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Inventors
Key dates
| Filing date | Jun 4, 2002 |
| Grant date | Nov 1, 2005 |
| Priority date | — |
| Expiry date | Jul 24, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a method for desulfurizing naphtha boiling-range hydrocarbons such as cracked naphtha. More particularly, the invention relates to hydrotreating the naphtha under selective hydrotreating conditions, and then removing mercaptans from the hydrotreater effluent using a caustic extractant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.