Premium coking process
US4720338A · kind A · utility
11Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1986 |
| Grant date | Jan 19, 1988 |
| Priority date | — |
| Expiry date | Nov 3, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10B57/045
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for providing more uniform premium coke in a delayed coking operation by adding an aliphatic petroleum fraction to the premium coking feed during the latter part of the coking cycle. Preferably the aliphatic petroleum fraction is added gradually and is increased in quantity over the period of addition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.