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The behavior of water solutions of dyes under the influence of oxidizing agents has been described. Decomposition of the dyes in time was observed on the basis of changes in the adsorption spectra. The obtained spectrophotometrical data were subjected to the factor analysis in order to determine the number and the spectral characteristics of colour components in the systems under study. The correctness...
A quantitative estimation of direct ozonation and indirect free radical oxidation of dyes with assorted chromophores was studied through the examination of reaction kinetics in the ozonation process. The reaction kinetics of dye ozonation under different conditions was determined by adjusting the ozone doses, dye concentration, and reaction pH. The ozonation of dyes was found dominant by pseudo-first-order...
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