Multiple stage hydrodesulfurization process including partial feed oil by-pass of first stage
US4016069A · kind A · utility
9Cited by
6References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 17, 1975 |
| Grant date | Apr 5, 1977 |
| Priority date | — |
| Expiry date | Nov 17, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G65/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A multiple stage process for hydrodesulfurizing a residual oil comprising passing the oil downwardly through a plurality of stages in series with an interstage flashing step. A portion of the fresh feed oil continuously or intermittently by-passes the first stage and flows directly to the second stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.