活性炭纤维耦合柠檬酸铁在中性pH条件下活化双氧水降解染料

被引：13

作者：

王列

姚玉元

孙利杰

吕汪洋

陈文兴

机构：

[1] 浙江理工大学先进纺织材料与制备技术教育部重点实验室

来源：

化学学报 | 2013年 / 71卷 / 12期

关键词：

活性炭纤维; 柠檬酸铁; 类芬顿; 催化纤维; 染料;

D O I：

暂无

中图分类号：

X703 [废水的处理与利用];

学科分类号：

摘要：

在环境催化领域,开发pH适应范围广的类芬顿催化剂一直是活跃而极具挑战性的研究课题.采用活性炭纤维耦合柠檬酸铁制得耐pH的类芬顿催化纤维(Cit-Fe@ACFs),在pH值2～10的范围内Cit-Fe@ACFs均表现出优异的催化性能,有效拓宽了传统芬顿反应的pH适应范围;Cit-Fe@ACFs在中性条件下能快速活化H2O2催化降解活性染料、酸性染料、碱性染料等多种染料,并具有良好的重复使用性.采用探针化合物正丁醇、苯醌,结合电子顺磁共振波谱(EPR)证明了Cit-Fe@ACFs/H2O2催化体系中的氧化活性种主要为羟基自由基(OH)和超氧自由基(HO2),推测了其催化反应机理.

引用

页码：1633 / 1638

页数：6

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