杨凤林
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蒽醌染料活性艳蓝KN-R的ACF电极成对电解脱色
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Indexed by:期刊论文

Date of Publication:2006-11-30

Journal:化工学报

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:57

Issue:11

Page Number:2714-2719

ISSN No.:0438-1157

Key Words:电流密度;成对电解;活性炭纤维;蒽醌染料;脱色

Abstract:在恒电流模式下,采用无隔膜电解槽,同时以活性炭纤维(ACF)为阳极和阴极,研究了不同电流密度下蒽醌染料活性艳蓝KN-R的脱色效果和脱色机制.结果表明:0~0.1 mA·cm-2时,脱色是由于染料在ACF上的吸附,极化对吸附行为影响不大,脱色率在15%左右;0.2~0.6 mA·cm-2时,阳极电位达到该染料在ACF上的氧化电位(0.5 V),阴极电位未达到其还原电位(-0.7 V),脱色是由于阳极电氧化和阴极吸附,脱色率最高可达52%;0.7~1.0 mA·cm-2时,发生成对电解,即阳极电氧化和阴极电还原同时使染料脱色,脱色率最高可达83%.

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Gender:Male

Alma Mater:大连工学院

Degree:Master's Degree

School/Department:环境学院

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