CuWO_(4)/WO_(3)的制备及其对含油污泥的光催化氧化处理  

Preparation of CuWO_(4)/WO_(3) and photocatalytic oxidation of oily sludge

作　　者：吴亮[1,2,3] WU Liang(College of Environmental Science and Engineering,Ocean University of China,Qingdao 266100,China;CNOOC EnerTech Beijing Research Institute of Engineering and Technology for Safety and Environmental Protection,Beijing 100123,China;China Offshore Environmental Service Ltd.,Tianjin 300450,China)

机构地区：[1]中国海洋大学环境科学与工程学院,山东青岛266100 [2]中海油能源发展股份有限公司北京安全环保工程技术研究院,北京100123 [3]中海石油环保服务(天津)有限公司,天津300450

出　　处：《化工环保》2023年第1期107-112,共6页Environmental Protection of Chemical Industry

基　　金：山东省重大科技创新工程项目(2021CXGC010705)。

摘　　要：采用焙烧法在WO_(3)载体表面原位生成CuWO_(4),构建了CuWO_(4)/WO_(3)光催化剂。利用XRD、拉曼光谱、XPS、SEM和EDS等表征了样品的结构和形貌,表征结果显示,CuWO_(4)/WO_(3)催化剂为异质结结构。CuWO_(4)/WO_(3)光催化去除含油污泥COD实验结果表明,CuWO_(4)/WO_(3)的光催化活性较WO3有明显提升,Cu与W的质量比为4%的CuWO_(4)/WO_(3)催化剂的光催化活性最高,其6 h内COD去除率为94.2%。CuWO_(4)/WO_(3)光催化去除含油污泥COD过程中,·OH和·O_(2)^(-)为主要活性物种。With in-situ formation of CuWO_(4) on the surface of WO_(3) by calcination method,the CuWO_(4)/WO_(3) photocatalyst was successfully synthesized.The crystal structure and morphology of the sample was characterized by XRD,Raman,XPS,SEM and EDS.The characterization results show that the CuWO_(4)/WO_(3) photocatalyst has heterojunction structure.In the experiment of COD removal from oily sludge by photocatalytic treatment with CuWO4/WO3,the photocatalytic activity of CuWO_(4)/WO_(3) is significantly higher than that of WO3,and that of CuWO_(4)/WO_(3) with 4%of Cu-W mass ratio is the highest,with 94.2%of COD removal rate within 6 h.In the process of CuWO_(4)/WO_(3) photocatalytic removal of COD from oily sludge,·OH and·O2-are the main active species.

关 键 词：CuWO_(4)/WO_(3)光催化剂 光生电子 分离效率 COD去除率 

分 类 号：X7[环境科学与工程—环境工程]