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  • Modeling the conversion of arabinose to furfural

    Creator:
    Yasuda, Dean D.
    Abstract:
    Hemicellulose hydrolyzate contains many carbohydrate fractions, the most abundant being xylose, arabinose, and glucuronic acid. Under mild acid conditions (0.025 - 0.10 M sulfuric acid) and high temperatures (140°C to 200°C) the first two components form furfural through a series of dehydration reactions. Unlike xylose and arabinose, glucuronic acid must...
    Resource Type:
    Masters Thesis
    Full Text:
    concentration versus time. A computer program was written which varied the value of k3 and integrated the

  • Modeling the conversion of glucose to hydroxymethylfurfural

    Creator:
    Liu, Daming
    Abstract:
    Cellulosic biomass materials have three principal components: cellulose, hemicellulose, and lignin. Under mild acid conditions and high temperature, the first two components yield a variety of sugars: hexoses and pentoses, which are subject to decomposition on continued exposure to hot dilute acid. In the process hexoses yield hydroxymethylfurfural (HMF) which,...
    Resource Type:
    Masters Thesis
    Full Text:
    Program for Estimating the k3 Parameters for the Proposed Three-constant Model 84 Appendix B: Computer