Staged process for the production of middle distillate from a heavy distillate
US4169040A · kind A · utility
11Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1978 |
| Grant date | Sep 25, 1979 |
| Priority date | — |
| Expiry date | Apr 26, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/501
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Middle distillate oil is produced with a minimum production of lighter hydrocarbons by (1) contacting hydrogen gas and a heavy distillate oil containing nitrogenous hydrocarbons with a catalyst in a first reaction zone under selected conditions, and (2) contacting hydrogen gas and at least a portion of the resulting effluent from the first zone with a catalyst in a second reaction zone under selected conditions. In each zone the catalyst is a composite of an amorphous silica-alumina carrier and a hydrogenation component wherein the silica and hydrogenation component are highly dispersed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.