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Fast Pyrolysis of Forestry Residue and Pine. 4. Improvement of the Product Quality by Solvent Addition
Abstract
Addition of alcohols was found to improve the homogeneity, decrease the viscosity and density, lower the flash point, and increase the heating value of pyrolysis liquids. Alcohol addition also lowered the viscosity and molecular mass increase during the aging of pyrolysis liquids. The reduction in the viscosity change was primarily due to a stabilizing effect of alcohols on the water-insoluble high molecular mass lignin-derived fraction. Other effects include the formation of acetals in reactions of alcohols with aldehydes, ketones, and anhydrosugars. Low (≤5 wt %) alcohol additions prevented aging reactions by a few months, while the higher (≥10 wt %) ones retarded them by almost a year. Methanol was the most effective alcohol of those tested (methanol, ethanol, isopropanol). By improving solubility, the alcohols also enhanced the separation of the extractive-rich top layer in the pyrolysis of forestry residue by decreasing its volume and increasing the concentration of extractives and solids in the top layer.
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Citations
Cited by
Pyrolysis of Wood/Biomass for Bio-oil: A Critical Review
Mohan, D., Pittman, C. U., & Steele, P. H. (2006) · Energy & Fuels · doi:10.1021/ef0502397 · Cited by 5,663
Bio-oil production and upgrading research: A review
Xiu, S., & Shahbazi, A. (2012) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2012.04.028 · Cited by 1,127
Fast Pyrolysis Bio-Oils from Wood and Agricultural Residues
Oasmaa, A., Solantausta, Y., Arpiainen, V., Kuoppala, E., & Sipilä, K. (2010) · Energy & Fuels · doi:10.1021/ef901107f · Cited by 407
Self-citationState-of-the-art of fast pyrolysis in IEA bioenergy member countries
Meier, D., van de Beld, B., Bridgwater, A. V., Elliott, D. C., Oasmaa, A., & Preto, F. (2013) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2012.11.061 · Cited by 295
Self-citationScreening heterogeneous catalysts for the pyrolysis of lignin
Jackson, M. A., Compton, D. L., & Boateng, A. A. (2009) · Journal of Analytical and Applied Pyrolysis · doi:10.1016/j.jaap.2008.09.016 · Cited by 187
Metadata
- Authors
- Oasmaa, A., Kuoppala, E., Selin, J.-F., Gust, S., & Solantausta, Y.
- Venue
- Energy & Fuels
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-08-31
- Volume
- 18
- Issue
- 5
- Pages
- 1578-1583
- ISSN
- 0887-0624 (ISSN-L)
- 1520-5029
- OpenAlex
- W1987210966
- Cited by
- 192
- References
- 0
- FWCI
- 1.77
- Type
- journal article
- Language
- en
- Open access
- closed
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- Oasmaa, A., Kuoppala, E., Selin, J.-F., Gust, S., & Solantausta, Y. (2004). Fast Pyrolysis of Forestry Residue and Pine. 4. Improvement of the Product Quality by Solvent Addition. Energy & Fuels. https://doi.org/10.1021/ef040038n
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
