Electrochemical degradation of Acid Red I dye and its treatment by UV light

被引：0

作者：

Sarala, P. ^{[1
]}

Venkatesha, T. V. ^{[1
]}

机构：

[1] Kuvempu Univ, Dept Post Grad Studies & Res Chem, Sch Chem Sci, Shimoga 577451, Karnataka, India

来源：

TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY | 2012年 / 94卷 / 09期

关键词：

azodye; chemical oxygen demand; UV light exposure; electrochemical degradation; kinetic study; ELECTRODE;

D O I：

10.1080/02772248.2012.727816

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Degradation of Acid Red I (ARI) dye by electrochemical treatment and UV light irradiation was studied in this work. The effect of the current density and the concentration of NaCl and dye on the decoloration and degradation efficiency were studied and optimized. The UV irradiation was monitored by UV-Vis spectrophotometry and chemical oxygen demand. The kinetic constants for decoloration and degradation were calculated. Degradation of 86% was achieved in 160 min and the first-order kinetic constant was 0.013 min(-1). Degradation products were identified by gas chromatography/mass spectrometry. The mechanism for the degradation of ARI was proposed.

引用

页码：1646 / 1656

页数：11

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