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溶胶-凝胶法制备纳米V-TiO_2光催化剂及其亚甲基蓝降解

Preparation of nanometer V-TiO_2 catalyst by sol-gel and photocatalytic degradation of methylene blue
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摘要 采用溶胶-凝胶法以钛酸丁酯和无水乙醇为主要原料,掺杂一定比例的钒制备了纳米TiO_2光催化剂。采用BET法对催化剂比表面积进行了测定,以亚甲基蓝光催化降解为模型反应在紫外灯下对所制备催化剂的催化性能进行了评价。研究了掺钒TiO_2的制备方法、掺钒量和焙烧温度对光催化性能的影响。结果显示,掺钒量为0.6%,焙烧温度350℃所制备的光催化剂,在紫外灯下照射6 h有较好的催化性能。 采用溶胶-凝胶法以钛酸丁酯和无水乙醇为主要原料,掺杂一定比例的钒制备了纳米TiO<sub>2</sub>光催化剂。采用BET法对催化剂比表面积进行了测定,以亚甲基蓝光催化降解为模型反应在紫外灯下对所制备催化剂的催化性能进行了评价。研究了掺钒TiO<sub>2</sub>的制备方法、掺钒量和焙烧温度对光催化性能的影响。结果显示,掺钒量为0.6%,焙烧温度350℃所制备的光催化剂,在紫外灯下照射6 h有较好的催化性能。
出处 《化工进展》 EI CAS CSCD 北大核心 2011年第S1期892-895,共4页 Chemical Industry and Engineering Progress
关键词 V-TiO<sub>2</sub>光催化剂 溶胶-凝胶法 BET 亚甲基蓝 V-TiO<sub>2</sub> photocatalyst sol-gel BET methylene blue
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