Flash thermocracking of tar or pitch
US5507938A · kind A · utility
0Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1994 |
| Grant date | Apr 16, 1996 |
| Priority date | — |
| Expiry date | Jul 22, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10C3/002
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for producing high-quality pitches comprising atomizing a preheated feed material of carbonaceous tar and/or pitch, forming an aerosol, contacting the aerosol in a reaction vessel with a flowing, non-reactive gas atmosphere for less than about 10 seconds at a gas temperature of about 1400.degree. F. to about 2000.degree. F., and separating and recovering a liquid fraction of the liquid formed in the reaction vessel which remains in a liquid phase up to a distillation temperature of about 750.degree. F.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.