| Title | Wood Juice Valorization through Production of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Using Bacillus sp. G8_19 |
|---|---|
| ID_Doc | 8341 |
| Authors | Ciesielski, S; Adu, EO; Mozejko-Ciesielska, J; Pokoj, T; Wilke, A |
| Title | Wood Juice Valorization through Production of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Using Bacillus sp. G8_19 |
| Year | 2021 |
| Published | Acs Sustainable Chemistry & Engineering, 9.0, 50 |
| Abstract | Wood juice, a liquid produced during wood processing, is a harmful waste that requires utilization. To achieve a circular economy, biowastes should be recycled, reducing fossil carbon usage. Therefore, the objective of this work was to examine the potential of wood juice as a feedstock for bioplastic synthesis by Bacillus sp. G8_19. Polyhydroxyalkanoate (PHA) syntheses using wood juice from Douglas fir trees and that from a mixture of spruce/fir trees were compared. It was found that the PHA content was higher after using wood juice from spruce/fir trees than that from Douglas fir trees (18.0% vs 6.1% of cell dry mass). Gas chromatography analysis showed that, with both wood juices, Bacillus sp. G8_19 accumulated poly(3-hydroxybutyrate-co-3-hydroxyvalerate). The content of 3-hydroxyvalerate (3HV) monomers was higher when spruce/fir wood juice was used (10.7% vs 1.9%). The C/N ratio did not have a statistically significant effect on the copolymer content in biomass, but it did significantly influence the 3HV content. The proposed concept may serve as an approach to wood waste valorization via production of biodegradable materials. |
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