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蛭石-Fe2O3/MnO2非均相Fenton催化剂降解水中罗丹明B染料
作者: 炫1 2 陈俊涛1 2  谦1  蒙1 段光相1  林1 
单位:(1. 河南理工大学化学化工学院 河南 焦作 454000 2. 煤炭安全生产河南省协同创新中心 河南 焦作 454000) 
关键词:蛭石 降解 非均相Fenton 催化剂 废水 
分类号:X703
出版年,卷(期):页码:2018,46(7):0-0
DOI:
摘要:

采用共沉淀法制备出蛭石–Fe2O3/MnO2非均相Fenton催化剂,并利用该催化剂高效降解水中罗丹明B染料。利用X射线荧光光谱分析、N2吸附、扫描电子显微镜、能谱分析仪以及X射线光电子能谱对材料进行了表征。结果表明:在室温,催化剂投加量0.1 g/L、H2O2投加量10.0 mmol/L、溶液初始pH=4.5以及罗丹明B浓度为90.0 mg/L的条件下,反应50 min罗丹明B的脱色率达到98.76%。运用一级动力学方程对反应过程进行拟合,R2>0.97。根据罗丹明B最大吸收峰位置的变化,推断反应体系中可能发生的反应并进行了自由基掩蔽实验。

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参考文献:
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