Production of diesel fuel from biorenewable feedstocks
US7999142B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2008 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Jun 20, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P30/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process has been developed for producing diesel boiling range fuel from renewable feedstocks such as plant oils and animal oils, fats, and greases. The process involves treating a renewable feedstock by hydrogenating and deoxygenating i.e. decarboxylating, decarbonylating, and/or hydrodeoxygenating to provide a hydrocarbon fraction useful as a diesel boiling range fuel or diesel boiling range fuel blending component. If desired, the hydrocarbon fraction can be isomerized to improve cold flow properties. A portion of the hydrogenated and deoxygenated feedstock is selectively separated and then recycled to the treatment zone to increase the hydrogen solubility of the reaction mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.