【摘要】 以TiOSO4为原料 ,制备了纳米TiO2 粉末 ,经 5 0 0℃热处理后 ,XRD研究表明其为锐钛矿型TiO2 ;经TEM电镜观察 ,其粉末粒径大约为 10nm左右 .采用粘结剂法在玻璃板涂敷一层TiO2 粉末 ,以甲基橙为研究对象 ,紫外灯为光源 ,研究了催化剂用量、甲基橙初始浓度、初始溶液 pH值、光照强度对甲基橙脱色率的影响更多还原

【Abstract】 Nanocrystalline TiO 2 made from TiOSO 4 was studied by XRD and TEM. TiO 2 is proved to be titanic oxide at the annealing temperature of 500 ℃, the average size of TiO 2 particles is about 10 nm. TiO 2 powder was immobilized on a glass_plate using adhesive and then dried in air at 50 ℃. The photocatalytic degradation of methyl orange in water was studied in photoreactor with UV lamp as light source and titanic oxide on the glass_plate as catalyst. The effects of the concentration of methyl orange, pH value, the amount of catalyst and the light intensity were also investigated.更多还原