姬磊;陈丽铎;姜震;吴凯;石楠齐;李宗奇;

• 1:东北石油大学化学化工学院

• 2:中国石化大庆石化分公司龙凤炼油厂

• 3:中国石化大庆石化分公司腈纶厂

摘要(Abstract)：

采用水热法制备磁性铁酸铋(Bi_2Fe_4O_9)光催化剂,利用X线衍射仪、扫描电子显微镜、紫外—可见漫反射等仪器对Bi_2Fe_4O_9的晶相、形貌、光吸收特性进行表征。结果表明:在紫外光或可见光下,Bi_2Fe_4O_9可有效降解亚甲基蓝(MB),且在紫外光下降解效果尤为显著,其表观速率常数可达2.422×10~(-2) min~(-1)。通过加入不同种类的捕获剂推断Bi_2Fe_4O_9的光催化机理,以及光催化过程中的活性物种,h~+与·OH为光催化降解过程中的主要活性物种。

关键词(KeyWords)：Bi2Fe4O9;光催化;捕获剂;催化机理

Abstract:

Keywords:

基金项目(Foundation):

作者(Author):姬磊;陈丽铎;姜震;吴凯;石楠齐;李宗奇;

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