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Pretreatment Characteristics of Waste Oak Wood by Ammonia Percolation

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Abstract

A log of waste oak wood collected from a Korean mushroom farm has been tested for ammonia percolation pretreatment. The waste log has different physical characteristics from that of virgin oak wood. The density of the waste wood was 30% lower than that of virgin oak wood. However, there is little difference in the chemical compositions between the woods. Due to the difference in physical characteristics, the optimal pretreatment conditions were also quite different. While for waste oak the optimum temperature was determined to be 130°C, for virgin oak wood the optimum pretreatment was only achieved at 170°C. Presoaking for 12 h with ammonia solution before pretreatment was helpful to increase the delignification efficiency.

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Acknowledgment

This study was supported by Korea New and Renewable Energy Center.

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Authors and Affiliations

  1. Department of Chemical Engineering, Kyonggi University, Suwon, 443-760, South Korea

    Jun-Seok Kim & Hyunjoon Kim

  2. Bioenergy Research Center, KIER 71-2 Jang-dong, Daejeon, 305-343, South Korea

    Jin-Suk Lee, Joon-Pyo Lee & Soon-Chul Park

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  1. Jun-Seok Kim
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  2. Hyunjoon Kim
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  3. Jin-Suk Lee
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  4. Joon-Pyo Lee
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  5. Soon-Chul Park
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Correspondence to Jin-Suk Lee.

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Kim, JS., Kim, H., Lee, JS. et al. Pretreatment Characteristics of Waste Oak Wood by Ammonia Percolation. Appl Biochem Biotechnol 148, 15–22 (2008). https://doi.org/10.1007/s12010-008-8179-2

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  • DOI: https://doi.org/10.1007/s12010-008-8179-2

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