TiO_(2)-GO复合光催化剂对工业废水吸附降解作用的研究  

Study on the adsorption and degradation of industrial wastewater by TiO_(2)-GO composite photocatalyst

作　　者：张勤[1] 石秋红[1] ZHANG Qin;SHI Qiu-hong(Guangxi Vocational and Technical Institute of Industry,Nanning 530003,China)

机构地区：[1]广西工业职业技术学院,广西南宁530003

出　　处：《化学工程师》2024年第5期49-53,共5页Chemical Engineer

基　　金：广西壮族自治区教育厅资助访问学者项目(桂教师培(2021)3号)。

摘　　要：本文以H_(3)PO_(4)、石墨粉、浓H_(2)SO_(4)等试剂为原料制备二氧化钛-氧化石墨烯(TiO_(2)-GO)复合光催化剂,以不同浓度的亚甲基蓝溶液模拟工业废水,通过向工业废水中加入催化剂进行降解吸附实验,考察在不同条件下所合成的催化剂对工业废水的吸附降解效果,并通过光反应仪器、热重分析仪等仪器量化分析催化剂吸附降解效果,实验结果表明,合成催化剂(TiO_(2)-GO)对多种工业废水有较好的吸附降解效果;在光照条件下,催化剂的量为10g·L^(-1)、作用时间为210min时,吸附降解效果最佳;催化剂对工业废水吸附降解性能稳定,可重复使用。In this paper,titanium dioxide-graphene oxide(TiO_(2)-GO)composite photocatalyst was prepared with phosphoric acid,graphite powder,concentrated sulfuric acid and other reagents as raw materials,and industrial wastewater was simulated with methylene blue solutions of different concentrations.By adding the catalyst to industrial wastewater,the adsorption and degradation effects of the synthesized catalyst on industrial wastewater were investigated under different conditions,and the adsorption and degradation effects of the catalyst were quantitatively analyzed by photoreaction instruments,thermogravimetric analyzers and other instruments;the experimental results showed that the synthetic catalyst(TiO_(2)-GO)had good adsorption and degradation effect on various industrial wastewater,and the best adsorption and degradation effect was obtained when the amount of catalyst was 10g·L^(-1) and the reaction time was 210min under light irradiation.The catalyst is stable in adsorption and degradation of industrial wastewater and can be reused.

关 键 词：光催化剂 工业废水 吸附降解 效果 

分 类 号：TQ201[化学工程—有机化工]