酸-碱改性粉煤灰吸附剂的制备及其对染料的去除性能

王琰, 张昊, 常娜, 王海涛

Preparation of Acid-alkali Modified Coal Fly Ash Adsorbent and Its Removal Performance on Dyes

WANG Yan, ZHANG Hao, CHANG Na, WANG Haitao

表3 MCFA吸附4种染液的等温学拟合参数

Table 3 Isothermal fitting parameters of MCFA adsorption of four dyes

Model Parameters Basic violet Basic green Congo red Methyl violet Langmuir KL / L·g-1 0.0003 0.0005 0.0026 0.0004 qm / mg·g-1 7.67 27 15.115 101.25 R2 0.2778 0.8499 0.9654 0.2911 Freundlich KF / mg·g-1 512.7433 72.3936 61.6027 21.8424 nf 0.9015 1.1242 2.6652 0.8997 R2 0.9908 0.9903 0.9902 0.9909