A kinetics study of the methomyl electrochemical degradation in the chloride containing solutions

被引：31
|
作者：
Grgur, Branimir N. [1 ]
Mijin, Dusan Z. [1 ]
机构：
[1] Univ Belgrade, Fac Technol & Met, Belgrade 11020, Serbia
来源：
APPLIED CATALYSIS B-ENVIRONMENTAL | 2014年 / 147卷
关键词：
Degradation; Electrochemical; Langmuir-Hinshelwood mechanism; UV-vis; LC-MS; CONTAINING S-TRIAZINES; PHOTO-FENTON; ORGANIC POLLUTANTS; PESTICIDE METHOMYL; AQUEOUS-SOLUTIONS; ACTIVE CHLORINE; WATER-TREATMENT; ELECTRO-FENTON; OXALIC-ACID; OXIDATION;
D O I：
10.1016/j.apcatb.2013.09.028
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The kinetics of the electrochemical degradation of methomyl has been study by the means of electrochemical techniques, UV-vis spectrophotometry, HPLC, and HPLC-ESI-MS in the sodium chloride containing solution. Degradation kinetics has been investigated on the DSA Ti/RuO2 electrode in mainly 2 g dm(-3) sodium chloride solution, applying the currents in the range of 10-90 mA and methomyl concentration from 0.05 to 0.5 mM. It has been suggested that methomyl degradation initially follows the pseudo zero-order Langmuir-Hinshelwood reaction kinetics, and mixed homogeneous and heterogeneous pseudo first-order reaction during prolonged electrolysis. (C) 2013 Elsevier B.V. All rights reserved.
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页码：429 / 438
页数：10
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