Anodic oxidation of dyes at novel Ti/B-diamond electrodes

被引：148

作者：

Chen, XM ^{[1
]}

Chen, GH ^{[1
]}

Yue, PL ^{[1
]}

机构：

[1] Hong Kong Univ Sci & Technol, Dept Chem Engn, Kowloon, Hong Kong, Peoples R China

来源：

CHEMICAL ENGINEERING SCIENCE | 2003年 / 58卷 / 3-6期

关键词：

COD; current efficiency; electrochemistry; environment; films; pollution;

D O I：

10.1016/S0009-2509(02)00640-1

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The physiochemical and electrochemical properties as well as the activity of novel Ti/B-diamond electrodes for anodic oxidation of various dyes were investigated. It was found that the Ti/B-diamond electrodes were much more active than Ti/Sb2O5-SnO2. All dyes tested, including orange 11 and 16 reactive dyes, could be mineralized effectively at Ti/B-diamond, with current efficiencies being 51.0-90.2%. The energy consumption ranges from 8.9 to 17.9 kW h/m(3). Operating variables could affect the process efficiency significantly. Low current density, high pH, and high temperature are beneficial for dye degradation. (C) 2003 Elsevier Science Ltd. All rights reserved.

引用

页码：995 / 1001

页数：7

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