Method of producing sweet feed in low pressure hydrotreaters
US4973396A · kind A · utility
5Cited by
12References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 10, 1989 |
| Grant date | Nov 27, 1990 |
| Priority date | — |
| Expiry date | Jul 10, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G65/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Hydrotreating at relatively low pressure and elevated temperature followed by a selective distillation results in lighter fractions substantially free of sulfur and nitrogen. Over half of the total liquid product is suitable for sweet hydroprocessing over a noble metal catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.