Diesel fuel production process employing direct and indirect coal liquefaction
US9234139B2 · kind B2 · utility
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2References
20Claims
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Key dates
| Filing date | Oct 22, 2012 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Apr 21, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A40/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A combined Direct Coal Liquefaction (DCL)/Fischer Tropsch (F-T) process and system for producing high Cetane diesel fuel by converting at least 70% of the feed coal by DCL operating at 50 to 70% conversion and gasifying the bottoms and between 0 and 30% of the feed coal to produce H2 for supply to the DCL and to upgrading and syngas for being converted to diesel by F-T. Diesel blendstocks produced by the DCL and the F-T in a ratio of 3 to 1 to 14 to 1 are blended to produce diesel fuel having a Cetane Number of at least 51 and a specific gravity of 0.845 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.