Fractional condensation of pyrolysis vapors produced from Nordic feedstocks in cyclone pyrolysis
Abstract
Pyrolysis oil is a complex mixture of different chemical compounds with a wide range of molecular weights and boiling points. Due to its complexity, an efficient fractionation of the oil may be a more promising approach of producing liquid fuels and chemicals than treating the whole oil. In this work a sampling system based on fractional condensation was attached to a cyclone pyrolysis pilot plant to enable separation of the produced pyrolysis vapors into five oil fractions. The sampling system was composed of cyclonic condensers and coalescing filters arranged in series. Our objective was to characterize the oil fractions produced from three different Nordic feedstocks and suggest possible applications. The oil fractions were thoroughly characterized using several analytical techniques including water content; elemental composition; heating value, and chemical compound group analysis using solvent fractionation, quantitative 13C NMR and 1H NMR and GC x GC - TOFMS. The results show that the oil fractions significantly differ from each other both in chemical and physical properties. The first fractions and the fraction composed of aerosols were highly viscous and contained larger energy-rich compounds of mainly lignin-derived material. The middle fraction contained medium-size compounds with relatively high concentration of water, sugars, alcohols, hydrocarbonylsmore »
- Authors:
-
- SP Energy Technology Center AB, Pitea (Sweden)
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Publication Date:
- Research Org.:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Bioenergy Technologies Office
- OSTI Identifier:
- 1343082
- Alternate Identifier(s):
- OSTI ID: 1416825
- Report Number(s):
- NREL/JA-5100-66751
Journal ID: ISSN 0165-2370
- Grant/Contract Number:
- AC36-08GO28308
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Analytical and Applied Pyrolysis
- Additional Journal Information:
- Journal Volume: 123; Journal ID: ISSN 0165-2370
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 09 BIOMASS FUELS; fractional condensation; pyrolysis; cyclone pyrolysis; Nordic feedstock; oil characterization
Citation Formats
Johansson, Ann-Christine, Lisa, Kristiina, Sandström, Linda, Ben, Haoxi, Pilath, Heidi, Deutch, Steve, Wiinikka, Henrik, and Öhrman, Olov G. W. Fractional condensation of pyrolysis vapors produced from Nordic feedstocks in cyclone pyrolysis. United States: N. p., 2016.
Web. doi:10.1016/j.jaap.2016.11.020.
Johansson, Ann-Christine, Lisa, Kristiina, Sandström, Linda, Ben, Haoxi, Pilath, Heidi, Deutch, Steve, Wiinikka, Henrik, & Öhrman, Olov G. W. Fractional condensation of pyrolysis vapors produced from Nordic feedstocks in cyclone pyrolysis. United States. https://doi.org/10.1016/j.jaap.2016.11.020
Johansson, Ann-Christine, Lisa, Kristiina, Sandström, Linda, Ben, Haoxi, Pilath, Heidi, Deutch, Steve, Wiinikka, Henrik, and Öhrman, Olov G. W. Tue .
"Fractional condensation of pyrolysis vapors produced from Nordic feedstocks in cyclone pyrolysis". United States. https://doi.org/10.1016/j.jaap.2016.11.020. https://www.osti.gov/servlets/purl/1343082.
@article{osti_1343082,
title = {Fractional condensation of pyrolysis vapors produced from Nordic feedstocks in cyclone pyrolysis},
author = {Johansson, Ann-Christine and Lisa, Kristiina and Sandström, Linda and Ben, Haoxi and Pilath, Heidi and Deutch, Steve and Wiinikka, Henrik and Öhrman, Olov G. W.},
abstractNote = {Pyrolysis oil is a complex mixture of different chemical compounds with a wide range of molecular weights and boiling points. Due to its complexity, an efficient fractionation of the oil may be a more promising approach of producing liquid fuels and chemicals than treating the whole oil. In this work a sampling system based on fractional condensation was attached to a cyclone pyrolysis pilot plant to enable separation of the produced pyrolysis vapors into five oil fractions. The sampling system was composed of cyclonic condensers and coalescing filters arranged in series. Our objective was to characterize the oil fractions produced from three different Nordic feedstocks and suggest possible applications. The oil fractions were thoroughly characterized using several analytical techniques including water content; elemental composition; heating value, and chemical compound group analysis using solvent fractionation, quantitative 13C NMR and 1H NMR and GC x GC - TOFMS. The results show that the oil fractions significantly differ from each other both in chemical and physical properties. The first fractions and the fraction composed of aerosols were highly viscous and contained larger energy-rich compounds of mainly lignin-derived material. The middle fraction contained medium-size compounds with relatively high concentration of water, sugars, alcohols, hydrocarbonyls and acids and finally the last fraction contained smaller molecules such as water, aldehydes, ketones and acids. But, the properties of the respective fractions seem independent on the studied feedstock types, i.e. the respective fractions produced from different feedstock are rather similar. Furthermore, this promotes the possibility to vary the feedstock depending on availability while retaining the oil properties. Possible applications of the five fractions vary from oil for combustion and extraction of the pyrolytic lignin in the early fractions to extraction of sugars from the early and middle fractions, and extraction of acids and aldehydes in the later fractions.},
doi = {10.1016/j.jaap.2016.11.020},
journal = {Journal of Analytical and Applied Pyrolysis},
number = ,
volume = 123,
place = {United States},
year = {Tue Dec 06 00:00:00 EST 2016},
month = {Tue Dec 06 00:00:00 EST 2016}
}
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