Sonocatalytic degradation of rhodamine B in presence of CdS

被引：15
作者：
Song, Limin [1 ,2 ]
Li, Yamiao [1 ,2 ]
Zhang, Shujuan [3 ]
机构：
[1] Tianjin Polytech Univ, Coll Environm & Chem Engn, Tianjin 300387, Peoples R China
[2] Tianjin Polytech Univ, State Key Lab Hollow Fiber Membrane Mat & Membran, Tianjin 300387, Peoples R China
[3] Tianjin Univ Sci & Technol, Coll Sci, Tianjin 300457, Peoples R China
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2018年 / 25卷 / 11期
关键词：
Inorganic compounds; Chemical synthesis; Catalytic properties; HYDROGEN-PEROXIDE SOLUTION; RUTILE TIO2 POWDER; ULTRASONIC IRRADIATION; TRANSITION CRYSTAL; AQUEOUS-SOLUTION; COMPOSITE; DECOMPOSITION; POLLUTANTS; KINETICS; REMOVAL;
D O I：
10.1007/s11356-018-1369-8
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A novel sonocatalyst CdS was prepared by a facile precipitation method, and characterized by X-ray powder diffraction, transmission electron microscopy, UV-vis absorption spectroscopy, and photoluminescence spectroscopy. Comparative sonocatalytic degradation experiments were carried out in different conditions under ultrasonic irradiation and with rhodamine B (RhB) used as the model substrate. Results indicate that CdS is a highly active sonocatalyst. The efficiency of RhB sonodegradation in aqueous solutions within 4 h is up to 70% after the addition of CdS. Abundant center dot OH during the RhB sonodegradation was detected, which may be responsible for the high sonodegradation rate over CdS under ultrasonic radiation.
引用
收藏
页码：10714 / 10719
页数：6
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