リグニンモデル化合物のベラトロールとグアイアコールのオゾン分解の速度表示

概要

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The equations of reaction rate were proposed in the ozonolysis of veratrole and guaiacol which were chosen as the lignin model compounds. The reaction rate constants and reaction orders were estimated. The reaction was first order with respect to organic compound concentration and dissolved ozone concentration, respectively. The calculated values by the model equations were in satisfactory agreement with the experimental data in the ozonolysis of lignin model compounds which were adjusted at the same amounts of lignin aromatic moieties in the pulp wastewater. The main course of the rection of lignin model compounds was predicted from the reaction rate constants of several organic compounds in the degradation processes of lignin model compounds. The values of reaction rate constants in the structural types of organic compounds could be arranged according to their ease of ozonation in the following order : the values of phenolic structers > the values of muconic acid type intermetiates > the values of non-phenolic structers and they were in agreement with the results of Eriksson et al. who reported about the ozonolysis of lignin model compounds.
社団法人　日本水環境学会の論文