Abstract
A modified quasistationary method of describing the kinetics of processing different fibre materials that quantitatively accounts for diffusion and sorption phenomena is proposed. Calculated dependences for changing the concentration of the reagent and the duration and rate of the process are obtained. The dependences sufficiently accurately describe the different kinetics of processing of fibre materials: modification, dyeing, drying. The quasistationary method can be used to find the relations for the effect of different factors on the kinetics of a process, in particular, the concentration of NaCl on the equilibrium concentration in dyeing of flax fibre. It is also possible to determine the diffusion and mass transfer coefficients and obtain generalizing kinetic relations for treatment processes. The equations obtained can be used for predicting the process parameters outside of the range of the experimental values.
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