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Title: Characterization of upgraded fast pyrolysis oak oil distillate fractions from sulfided and non-sulfided catalytic hydrotreating

Journal Article · · Fuel

Catalytic hydroprocessing of pyrolysis oils from biomass produces hydrocarbons that can be considered for liquid fuel production. This process requires removal of oxygen and cracking of the heavier molecular weight bio-oil constituents into smaller fragments at high temperatures and pressures under hydrogen. We present in this paper the characterization of a group of five distillate fractions from each of two types of hydroprocessed oils from oak pyrolysis oil: a low oxygen content (LOC, 1.8% O, wet basis) oil and a medium oxygen content (MOC, 6.4% O, wet basis) oil. The LOC oil was generated using a sulfided hydrotreating system consisting of RuS/C and xMoS/Al2O3 while the MOC was produced using non-sulfided catalysts, Ru/C and Pd/C. Elemental analysis and 13C NMR (nuclear magnetic resonance) results suggest that the distillate fractions from both oils become more aromatic/unsaturated as they become heavier. Carbonyl and carboxylic groups were found in the MOC light fractions, while phenols were present in the heavier fractions for both MOC and LOC. Paraffin, iso-paraffin, olefin, naphthene, aromatic (PIONA) analysis of the light LOC fraction shows a predominance of paraffins with a minor amount of olefins. Sulfur analysis showed the comparative concentration of sulfur in the different fractions as well as the surprising similarity in content in some sulfided and non-sulfided fractions. These results can be used to direct future research on refinery integration and production of value-added product from specific upgraded oil streams.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Bioenergy Technologies Office
Grant/Contract Number:
AC05-76RL01830; AC36-08GO28308; AC36-08-GO28308
OSTI ID:
1355772
Alternate ID(s):
OSTI ID: 1358685; OSTI ID: 1397651
Report Number(s):
NREL/JA-5100-68239; PII: S0016236117303277
Journal Information:
Fuel, Vol. 202, Issue C; ISSN 0016-2361
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 25 works
Citation information provided by
Web of Science

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Cited By (8)

High-throughput continuous hydrodeoxygenation of liquid phase pyrolysis oil journal January 2018
Recent advances in hydrodeoxygenation of biomass-derived oxygenates over heterogeneous catalysts journal January 2019
Driving towards cost-competitive biofuels through catalytic fast pyrolysis by rethinking catalyst selection and reactor configuration journal January 2018
Hydrodeoxygenation (HDO) of Aliphatic Oxygenates and Phenol over NiMo/MgAl2O4: Reactivity, Inhibition, and Catalyst Reactivation journal June 2019
Refinery integration of lignocellulose for automotive fuel production via the bioCRACK process and two-step co-hydrotreating of liquid phase pyrolysis oil and heavy gas oil journal January 2020
Hydrocarbon production by continuous hydrodeoxygenation of liquid phase pyrolysis oil with biogenous hydrogen rich synthesis gas journal January 2019
Hydrodeoxygenation (HDO) of aliphatic oxygenates and phenol over NiMo/MgAl$_{2}$O$_{4}$: Reactivity, inhibition, and catalyst reactivation text January 2019
Temperature Dependence of Single Step Hydrodeoxygenation of Liquid Phase Pyrolysis Oil journal July 2018