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Reaction Kinetics in Oxygen Bleaching by C. L. Hsu; J. S. Hsieh is a Engineering article available to read on EtoBox.

What is Reaction Kinetics in Oxygen Bleaching about?

The oxygen bleaching of wood pulp takes place in a heterogeneous system involving oxygen (gas), water (liquid), and fiber (solid). Inconsistent effects of process variables (reaction temperature, alkali concentration, and oxygen pressure) on the overall oxygen delignification rate of wood pulp in various reacting systems have been reported in the literature. An apparent intrinsic reaction rate model, excluding the interphase mass transfer effects, has been developed based on oxygen bleaching experiments in an agitated and ultralow-consistency (solids content) reactor. The apparent intrinsic reaction rate model shows a faster delignification rate than those reported in the literature. The degree of inadequate delignification observed in the literature data is likely to be caused by insufficient mass transfer of bleaching chemicals to fibers.

Who reads Reaction Kinetics in Oxygen Bleaching?

Author

C. L. Hsu; J. S. Hsieh

Publisher

American Institute of Chemical Engineers; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 0001-1541)

Published

1988

Language

EN

Field

Engineering (Physical Sciences)