焦粉基活性炭对(Ⅵ)吸附热力学及其动力学研究 (Ⅵ)

用液氮吸附法分析了采用KOH为活化介质制备的焦粉基活性炭的孔隙结构特征。对相关实验数据应用数学模型拟合,显示吸附过程动力学与一级动力学模型相关性较好;焦粉活性炭具有吸附容量大、吸附效率高、操作快速,再生效率高等优点。 Liquid nitrogen adsorption technique was used to obtain pore properties of activated carbon from Coke Powder based Activated Carbon by KOH. Fitting the experimental data utilizing mathematic models,showing adsorption process kinetic well relevance to the first-order reaction; The Coke Powder Activated Carbon has many advantages such as large adsorption capacity,high adsorption efficiency,fast filtration,convenient operation and high regeneration rate