【摘要】 对不同条件下煅烧得到的TiO2柱撑粘土进行N2 吸附、IR、SEM分析 ,研究了煅烧后TiO2 柱撑粘土的结构及特征 .结果表明 ,煅烧过程中TiO2 柱撑粘土的比表面积、孔体积、孔径分布及硅酸盐片层的有序程度等特征主要与煅烧温度有关 ,而煅烧时的保温时间对它们的影响很小 .TiO2 柱撑粘土煅烧至 5 0 0℃即可表现出光催化活性更多还原

【Abstract】 Titaniam-pillared clays calcined at different conditions are characterized by N 2 adsorption/desorption, IR and SEM analyses. The results show that the calcination temperature has an effect on the BET surface area, pore volume, pore diameter distrubition and regularity of silicate layers, but the time of calcination at a given temperature has little relations with them. When calcined over 500?℃, the TiO 2-pillared clay exhibit high photocatalytic activity.更多还原