Process and unit for hydrotreating a petroleum feedstock that comprises the cracking of ammonia and the recycling of hydrogen in the unit
US6096195A · kind A · utility
7Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1998 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Aug 24, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G49/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Described in a process for hydrotreating (HDT) a petroleum feedstock (1) that contains sulfur and nitrogen are the catalytic cracking of the ammonia, produced by the hydrotreating process, in a catalytic cracking furnace (F), the cooling (E2) and separating of the cracking effluent to produce an H.sub.2 S containing gas phase, the extraction of the hydrogen sulfide from said gas phase and from the hydrotreating purge gas in an amine washing unit (20), and the separation (SM) of the hydrogen from the resultant effluent. The recovered hydrogen is recycled to hydrotreating unit (HDT) via a pipe (17).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.