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| Thesis Name： |
Electrochemical oxidation of imazethapyr and the monitoring of decomposing process |
| Usage： |
chemistry |
| Keyword： |
Ti/SnO2-Sb2O5/PbO2 anode; decomposition; imazethapyr; UV-VIS spectrophotometric monitoring |
| Remarks： |
Abstract Methodology for the electrochemical decomposition of imazethapyr using Ti/SnO2-Sb2O5/PbO2 anode is suggested in the paper. The results of an experimental study on the destruction of imazethapyr by electrochemical oxidation in NaCl medium are compared with the data obtained by electrochemical oxidation in Na2SO4 medium. The UV-VIS spectra obtained by process monitoring indicated that the reaction mechanism is different from each other when using different electrolyte. Imazethapyr was mineralized directly when using Na2SO4 as the electrolyte, while a kind of intermediate product was formed rapidly and then mineralized fast when using NaCl as the electrolyte. NaCl was selected as the electrolyte for electrochemical oxidation of imazethapyr and the conditions of electrolysis reaction were optimized in the paper. The process of electrochemical decomposition was monitored by ultra-violet spectrophotometric method. The electrochemical decomposition mechanism of imazethapyr was studied primarily by UV-VIS spectrophotometry and the comparative aerobic biological water treatment test. The effectiveness of the electrochemical pretreatment was proved by the comparative aerobic biological treatment based on the activated sludge process. |
| Original file： |
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