Cu2BiVO4 可见光催化方法是一种去除环境中扑热息痛污染物的有效绿色方法。采用研制出的Cu2BiVO4 催 化剂在可见光条件下降解扑热息痛, 运用响应变量控制法, 研究了催化剂负载量、催化剂投加量、初始溶液pH 值等 工艺条件对降解效果的影响。在可见光照射下5 h 降解扑热息痛的最佳工艺条件为: 催化剂投加量为80 mg 、催化 剂负载量为5%、溶液初始pH 值为6, 在此工艺条件下降解扑热息痛的效率为72. 6%。

Visible light induced deg radation of par acetamo l( PCT) using Cu2BiVO4 as photo cat aly st is an attractive and susta inable met ho d. In t his paper, to investig ate the PCT photo catalyt ic deg radation pro cess, respo nse surface methodolo g y w as ado pted to analysis the operation par ameters such as cata lyst dosag e, cataly st lo ading , and initial pH value. The o ptimum degr ading condi2 tions under visible light ir radiatio n w ithin 5 ho ur s w ere as follows: cata lyst dosage of 80 mg , 5% catalyst lo ading , init ial pH val2 ue w ith 6, respectiv ely . Addit ionaly , under this co ndition, the deg rading efficiency of PCT w as 72. 6%.

北京市优秀人才培养资助( 2013D009046000005) ; 中央高校基本科研业务费专项资金资助( 2012LYB33)