OALib Journal期刊
Preparation of supported Bi2WO6/AC photocatalyst and its photocatalytic degradation of o-nitrophenol under visible light
SUN Jianhui ,
TIAN Xiaoke ,
LI Yifan ,
FENG Jinglan ,
LI Xiaoyan ,
DONG Shuying College of Chemistry ,
Environmental Sciences ,
Henan Normal University ,
Henan Key Laboratory for Environmental Pollution Control ,
Xinxiang ,
,
田小可 ,
李怡帆 ,
冯精兰 ,
李晓艳 ,
董淑英 Keywords: supported Bi2WO6/AC ,hydrothermal method ,visible light ,photocatalytic activity ,o-nitrophenol ,水热法 ,可见光 ,光催化活性 ,邻硝基苯酚
Abstract:
采用水热法在160℃条件下以活性炭(AC)为载体合成了光催化剂Bi2WO6/AC,用X射线衍射仪(XRD)、电子扫描电镜(SEM)对催化剂进行了表征.同时,以邻硝基苯酚为目标污染物,在可见光照射下,讨论了催化剂用量、溶液的pH、污染物初始浓度等因素对催化剂光催化活性的影响.结果表明,当Bi2WO6/AC]=5 g·L-1、pH=5邻硝基苯酚]0=100 mg·L-1时,催化剂可见光降解活性最好,60 min后邻硝基苯酚的降解率可达到99.81%.
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