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水热法制备钨酸铋及其在光催化中的应用

作者:时间:2019-03-01点击数:

PDF全文下载:  201901010.pdf

 

文章编号: 16726987201901005706 DOI 10.16351/j.16726987.2019.01.010

 

范金福, 姚倩, 张晓辰, 王杰, 李少香*

(青岛科技大学 环境与安全工程学院,山东 青岛 266042)

 

摘要: 以二水合钨酸钠和五水合硝酸铋为原料,水热法合成花球状片层钨酸铋,利用XRDSEM、红外、拉曼对其表面形貌和微观结构进行了表征,并通过催化降解模型污染物甲基橙、土霉素以及盐酸二甲双胍来探究钨酸铋的光催化效果,进而将其广泛应用于医药废水的处理中。结果表明:水热法制备的花球状片层钨酸铋在可见光照射下具有较好的光催化效果,光照2.5 h后基本可以完全降解模型化合物。

 

关键词: 钨酸铋; 光催化; 甲基橙; 土霉素; 盐酸二甲双胍中图分类号: O 611.4    文献标志码: A引用格式: 范金福, 姚倩, 张晓辰, . 水热法制备钨酸铋及其在光催化中的应用\[J\]. 青岛科技大学学报(自然科学版), 2019 401): 5761.

 

FAN JinfuYAO QianZHANG Xiaochen, et al. Preparation of bismuth tungstate by hydrothermal method and its application in photocatalysis\[J\]. Journal of Qingdao University of Science and TechnologyNatural Science Edition), 2019, 40(1) 5761.

 

Preparation of Bismuth Tungstate by Hydrothermal Method and Its Application in Photocatalysis

 

FAN Jinfu YAO Qian ZHANG Xiaochen WANG Jie LI Shaoxiang

(College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China)

 

Abstract: Flower spherelike bismuth tungstate was synthesized by hydrothermal method using sodium tungstate dihydrate and bismuth nitrate pentahydrate as raw materials. The surface morphology and microstructure were characterized by XRD, SEM, IR and Raman. The photocatalytic effect of bismuth tungstate was investigated by degrading model pollutants of methyl orange, oxytetracycline and metformin hydrochloride, and then it is widely used in the treatment of pharmaceutical wastewater. The results show that bismuth tungstate with spherical morphology prepared by hydrothermal method possessed good photocatalytic effect, and the model compounds can be completely degraded after 2.5 h.

 

Key words: bismuth tungstate; photocatalysis; methyl orange; oxytetracycline; metformin hydrochloride

 

收稿日期:  20180104

基金项目: 山东省重点研发计划项目(2016GGX102007.

作者简介: 范金福(1993—),男,硕士研究生.*通信联系人.

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