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    Author(s): Xianjun Li; Zhiyong Cai; Eric Horn; Jerrold E. Winandy
    Date: 2011
    Source: Tappi journal. Vol. 10, no. 5 (May 2011): p. 41-45.
    Publication Series: Scientific Journal (JRNL)
    PDF: View PDF  (233 KB)

    Description

    This study was conducted to evaluate the effect of oxalic acid (OA) pretreatment on carbohydrates released from rice straw particles and wood chips. The results showed that OA treatment accelerated carbohydrates extraction from rice straw particles and wood chips. OA pretreatment dramatically increased the amount of carbohydrates extracted, up to 24 times for wood chips and 2.3 times for rice straw particles. Sugars released from the OA-treated rice straw particles and wood chips increased with increasing treatment temperature and duration. OA treatment also improved the primary physical properties of rice straw particleboard and wooden medium density fiberboard (MDF), except for the mechanical strength of MDF. Carbohydrates extracted from rice straw particles and wood chips could be a potential sustainable resource for biofuel or biobased chemicals.

    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

    Li, Xianjun; Cai, Zhiyong; Horn, Eric; Winandy, Jerrold E. 2011. Oxalic acid pretreatment of rice straw particles and loblolly pine chips: release of hemicellulosic carbohydrates. Tappi Journal. 10(5): 41-45.

    Keywords

    Oxalic acid, wood chips, hemicellulose, carbohydrates, ethanol, loblolly pine, Pinus taeda, sugars, particle board, mechanical properties, fiberboard, composite materials, rice, residues, temperature, fuelwood, biotechnology, biomass energy, biomass, utilization, crop residues, plant fibers, chemical utilization, bioconversion, loblolly pine, chips, pretreatment, alcohol, biorefining, wood extractives, rice straw, physical properties, fiberboard, strength, biomass fuel

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