Hardwood pulping kinetics of bulk and residual phases, TAPPI JOURNAL October 2015
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The kinetics of the bulk and residual delignification phases of Eucalyptus nitens, E. globulus, E. benthamii, acacia, maple, and loblolly pine were determined in an effort to improve the use of various hardwoods. Kinetic experiments were performed using a microwave digestion system for fast heating of the kraft liquor. Delignification rates were obtained for three different temperatures (150°C, 160°C, and 170°C) and correlated with the wood’s syringyl-to-guaiacyl ratio. A linear correlation between the kraft delignification rate and the syringyl-to-guaiacyl ratio was found to exist.
Hardwood pulping kinetics of bulk and residual phases, TAPPI JOURNAL October 2015
