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采用溶胶 -凝胶法制备了TiO2 SnO2 复合凝胶 ,研究了复合凝胶对水蒸气和乙醇气体的吸附动力学。测定结果表明 ,TiO2 SnO2 复合凝胶吸附水蒸气和乙醇气体的量与时间的关系满足单活性位吸附模型 ,具有方程x =c1[1 exp( c2 t) ]的形式 ,含TiO2 80 %SnO2 2 0 %的复合凝胶的吸附量高于其他组成的复合凝胶
The TiO2-SnO2 composite gel was prepared by sol-gel method and the adsorption kinetics of the composite gel on water vapor and ethanol gas was studied. The results show that the relationship between the amount of water vapor and ethanol gas adsorbed on the TiO2-SnO2 composite gel satisfies the single-site adsorption model and has the form of the equation x = c1 [1 exp (c2 t)] with TiO2 80% SnO2 2 The adsorption capacity of 0% composite gel was higher than that of other composite gels