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锐钛矿结构TiO₂/glass膜光催化作用的研究.紫外灯照射下水中苯酚的光催化降解

Study on Photocatalytic Degradation Reaction on Anatase TiO₂/glass Films Ⅰ.Photocatalytic Degradation of Phenol in Water Under Ultraviolet Irradiation

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【Author】 WU Yue shun 1, ZHANG Yan chang 2, XU Qing 2, WANG Ya juan 2 ZHENG Qing hua 1, MAI Guang xin 2 (1. Qingdao University Normal College, Shandong Qingdao 266071, China; 2. Shandong Institute of Education, Shandong Jinan 250013, China)

【机构】青岛大学师范学院化学系；山东教育学院化学系；山东教育学院化学系山东青岛266071；山东济南250013；山东青岛266071；山东济南250013；

【摘要】以溶胶 -凝胶法制得锐钛矿型结构的 Ti O2 /glass膜。在紫外灯照射下研究了膜对水中苯酚的光催化降解作用 ,研究证明 ,灯距控温反应器 1 0 cm时的液外照射 ,可使苯酚降解率达 70 %以上 ;在 H2 O2 存在下效果更佳 ;若通入空气可使苯酚降解几近完全更多还原

【Abstract】 Anatase TiO 2/glass films have been prepared by a sol gel method. The photocatalytic degradation of phenol in water on the films under UV irradiation was investigated. When the lamp was 10 cm away from the reactor, the degradation rate of phenol was over 70%. The degradation rate was improved in the presence of H 2O 2, and the degradation could be almost complete in air flow.更多还原