氟/膨润土/锡酸钙复合光催化剂的制备及光催化性能  

Synthesis and photocatalytic activity of fluorine/bentonite/CaSnO_3 composite photocatalyst

作　　者：王红军[1] 陈洋 方旭旭[1] 华香[1] 杨术明[1] 

机构地区：[1]信阳师范学院化学化工学院,河南信阳464000

出　　处：《无机盐工业》2017年第10期83-86,共4页Inorganic Chemicals Industry

基　　金：河南省科技计划项目(172102310744);河南省教育厅重点科学技术研究重点项目(12A150021);信阳师范学院2016年度大学生科研基金项目

摘　　要：采用水热合成法制备出氟掺杂膨润土负载锡酸钙复合光催化剂,采用X射线衍射(XRD)、扫描电子显微镜(SEM)等分析手段对样品的形貌和结构进行了表征,并在可见光条件下考察了催化剂用量、氟掺杂量、反应时间等因素对复合光催化剂降解亚甲基蓝废水溶液性能的影响。结果表明:氟掺杂量为0.04%(质量分数)时复合光催化剂对亚甲基蓝溶液的降解效果最好,当催化剂质量浓度为60 mg/L,反应时间为13 min时,其对亚甲基蓝溶液的降解率可达98.6%。Fluorine/bentonite/CaSnO3 composite photocatalysts were prepared by hydrothermal synthesis method.The morphology and structure of samples were characterized by X-ray diffraction（XRD） and scanning electron microscope（SEM）etc..The effects of light catalyst dosage,fluorine-doping ratio,and reaction time on photocatalytic activity of methyl blue waste water were also investigated.Results indicated that the photo-degradation efficiency could reach 98.6% when the fluorinedoping ratio was 0.04%（mass fraction）,the mass concentration of photocatalyst was 60 mg/L,and the reaction time was 13 min.

关 键 词：氟掺杂 CaSnO3 复合光催化剂 光催化降解 

分 类 号：TQ124.3[化学工程—无机化工]