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Sonochemical photodegradation of linuron, which is one of phenylurea herbicides, was carried out in the presence of Fe(II). The degradation rate was strongly influenced by initial concentration of Fe(II) and solution pH. The optimal Fe(II) concentration and pH were found to be 1.2×10 −4 molL −1 and 3.0, respectively. An initial linuron concentration of 10mgL −1 was completely...
2,3,7,8-Tetrachlorodibenzo-p-dioxin (2,3,7,8-TeCDD) was rapidly decreased by sonication in aqueous solution. The degradation efficiency was strongly influenced by ultrasonic power and reaction temperature. An initial 2,3,7,8-TeCDD concentration of 20ngl −1 was completely degraded within 60min under sonochemical conditions using a 20kHz frequency with a 150W ultrasound power. The activation...
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