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Sonochemical Degradation Kinetics of Methyl Violet in Aqueous Solutions

Author: Wang Xi Kui   Chen Guan Hong   Guo Wei Lin  

Publisher: MDPI

E-ISSN: 1420-3049|8|1|40-44

ISSN: 1420-3049

Source: Molecules, Vol.8, Iss.1, 2003-01, pp. : 40-44

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Abstract

The sonochemical degradation in aqueous solution of methyl violet, chosen as a model of a basic dye, was studied. The ultrasonic degradation kinetics in water were found to be first-order and the degradation rate coefficient is 1.35×10-2 min-1 (R= 0.9934, n=8) at 20±1°C. The influence of the initial concentrations, reaction temperature and the pH of medium on the ultrasonic decomposition of methyl violet were also investigated.

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