偕胺肟吡啶树脂对含盐体系中Cu（Ⅱ）的去除

陈广源,孙诗书,张小朋,史载锋

Removal of Cu(Ⅱ) ions from salty systems by amidoxime pyridine resin

Guangyuan CHEN,Shishu SUN,Xiaopeng ZHANG,Zaifeng SHI

表2 APO对Cu（Ⅱ）吸附等温线拟合参数

Table 2 Fitting parameters of adsorption isotherm models of APO for Cu(Ⅱ)

离子 pH Langmuir模型 Freundlich模型 Qm/(mmol·g-1) b RL2 KF n RF2 Cu(Ⅱ) 5 1.21 0.34 0.9995 0.31 1.710 0.9914 2 0.33 1.47 0.9829 0.20 3.884 0.9377