孔结构对活性炭吸附水溶液中铅离子的影响

杨洁扬,黄张根,韩小金,景文,曾泽泉

Effect of Activated Carbon Pore Structure on the Adsorption of Pb(II) from Aqueous Solution

Jie-Yang. YANG,Zhang-Gen. HUANG,Xiao-Jin. HAN,Wen. JING,Ze-Quan. ZENG

表1 三种活性炭的模型拟合参数

Table 1 Model fitting parameters of the three ACs

Langmuir     Freundlich       fitted equation q0/(mg·g-1) b R2   fitted equation n K R2 AC1 Ce/qe = 0.0302 Ce + 0.0743 33.113 0.406 0.995   lgqe = 0.1889lgCe + 1.2080 5.294 16.144 0.977 AC2 Ce/qe = 0.0213 Ce + 0.0621 46.948 0.343 0.991   lgqe = 0.2912lgCe + 1.2038 3.434 15.988 0.961 AC3 Ce/qe = 0.0303 Ce + 0.0496 33.003 0.611 0.991   lgqe = 0.2047lgCe + 1.1812 4.885 15.177 0.972 q0: saturating adsorption capacity; R[2]: correlation coefficient; b: Langmuir adsorption constant; n, K: Freundlich adsorption constants