Transformation of Wood during Ozonization in the Presence of Hydrogen Peroxideстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Samples of ozonized aspen wood pretreated with hydrogen peroxide solutions of various concentra
tions are investigated by UV diffuse reflectance spectroscopy, IR spectroscopy, and Xray structural analysis. The
general course of wood transformation under the action of the O3/H2O2 system is associated with the destruc
tion of lignin and oxidation of carbohydrates, raising the fraction of the crystalline phase in a lignocarbohydrate
material. The possibility of varying the depth of the chemical and structural transformation of the substrate upon
changing the hydrogen peroxide concentration in the O3/H2O2 system is demonstrated.