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.
作者
吴亮
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)
出处
《化工环保》
CAS
CSCD
北大核心
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)。
