Methods and apparatuses for deoxygenating pyrolysis oil
Patent
·
OSTI ID:1390227
Methods and apparatuses are provided for deoxygenating pyrolysis oil. A method includes contacting a pyrolysis oil with a deoxygenation catalyst in a first reactor at deoxygenation conditions to produce a first reactor effluent. The first reactor effluent has a first oxygen concentration and a first hydrogen concentration, based on hydrocarbons in the first reactor effluent, and the first reactor effluent includes an aromatic compound. The first reactor effluent is contacted with a dehydrogenation catalyst in a second reactor at conditions that deoxygenate the first reactor effluent while preserving the aromatic compound to produce a second reactor effluent. The second reactor effluent has a second oxygen concentration lower than the first oxygen concentration and a second hydrogen concentration that is equal to or lower than the first hydrogen concentration, where the second oxygen concentration and the second hydrogen concentration are based on the hydrocarbons in the second reactor effluent.
- Research Organization:
- UOP LLC. Des Plaines, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- EE0002879
- Assignee:
- UOP LLC
- Patent Number(s):
- 9,758,441
- Application Number:
- 14/551,797
- OSTI ID:
- 1390227
- Country of Publication:
- United States
- Language:
- English
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