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    Description

    The authors have developed technologies for fungal bioremediation of waste wood treated with oilborne or metal-based preservatives. The technologies are based on specially formulated inoculum of wood-decay fungi, obtained through strain selection to obtain preservative-tolerant fungi. This waste management approach provides a product with reduced wood volume and the capacity to collect metals for reuse, thereby preventing environmental contamination. In this chapter we describe our research on the bioremediation of CCA-treated wood waste with brown-rot wood-decay fungi. The paper contains new data and summarizes past research. The research includes (1) isolating and characterizing CCA-tolerant fungi, (2) defining economical materials and methods to prepare and package viable inoculum of metal-tolerant decay fungi, (3) establishing treatment procedures for the remediation and degradation process, and (4) conducting a laboratory scale-up to evaluate the method on solid lumber treated with CCA.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Illman, Barbara L.; Yang, Vina W. 2006. Bioremediation of treated wood with fungi. Environmental impacts of treated wood. Boca Raton, FL : CRC/Taylor & Francis, 2006: Pages 413-426.

    Keywords

    Fungal remediation, bioremediation, wood-decaying fungi, wood preservatives, wood waste, biodegradation, preservatives, chromated copper arsentate, CCA, treated wood, review article

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https://www.fs.usda.gov/treesearch/pubs/24918