Alternative wood treatment with blends of linseed oil, alcohols and pyrolysis oil

Jost Ruwoldt; Kai Toven

doi:10.1016/j.jobab.2022.07.002

Volume 7 Issue 4

Oct. 2022

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Jost Ruwoldt, Kai Toven. Alternative wood treatment with blends of linseed oil, alcohols and pyrolysis oil[J]. Journal of Bioresources and Bioproducts, 2022, 7(4): 278-287. doi: 10.1016/j.jobab.2022.07.002

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Jost Ruwoldt, Kai Toven. Alternative wood treatment with blends of linseed oil, alcohols and pyrolysis oil[J]. Journal of Bioresources and Bioproducts, 2022, 7(4): 278-287. doi: 10.1016/j.jobab.2022.07.002

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Alternative wood treatment with blends of linseed oil, alcohols and pyrolysis oil

doi: 10.1016/j.jobab.2022.07.002

Jost Ruwoldt^,,
Kai Toven

RISE PFI AS, Høgskoleringen 6B, Trondheim 7491, Norway

More Information

Corresponding author: E-mail address: jostru.chemeng@gmail.com (J. Ruwoldt)
Received Date: 2022-05-23
Accepted Date: 2022-07-07
Rev Recd Date: 2022-06-30

Available Online: 2022-07-30

Publish Date: 2022-11-01

Abstract

Abstract

Linseed oil is a common wood treatment agent, which is often blended with naphthenic oil during its application. In this study, we developed new types of linseed oil blends, where the naphthenic oil was substituted with alcohols and pyrolysis oil. As miscibility tests revealed, linseed oil can be blended indefinitely with primary alcohols containing three carbon atoms or more. In addition, kinetic stability of three-component-mixtures was found, which comprised linseed oil, alcohol and pyrolysis oil. The developed blends were further tested for their viscosity and rate of solvent evaporation. At last, trial impregnations of wood were done to test this new treatment agent. The uptake of treatment oil and the effect on water repellency varied, and substituting white spirit with propanol and pyrolysis oil showed potential. The latter were miscible with 50% (wt) linseed oil at concentrations of 37.5% 1- or 2-propanol and 12.5% pyrolysis oil. Compared with the reference case, treatment with this agent markedly decreased the water-uptake of the wood. Our study hence attributes great potential to the newly developed linseed oil blends, which may introduce additional product characteristics and generate value to byproducts via pyrolysis.
- Wood treatment,
- Wood impregnation,
- Royal process,
- Linseed oil treatment,
- Pyrolysis oil

Declaration of Competing Interest There are no conflicts to declare.

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References(26)

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