Method for manufacturing cleaner fuels
US6248230A · kind A · utility
74Cited by
20References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1999 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | Jun 24, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G67/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method is provided for manufacturing cleaner fuels, in which NPC (Natural Polar Compounds), naturally existing in small quantities within various petrolic hydrocarbon fractions, are removed from the petrolic hydrocarbon fractions ranging, in boiling point, from 110 to 560.degree. C. and preferably from 200 to 400.degree. C., in advance of catalytic hydroprocessing. The removal of NPC improves the efficiency of the catalytic process and produces environment-friendly products, such as diesel fuel with a sulfur content of 50 ppm (wt) or lower. Also, the NPC can be used to improve fuel lubricity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.