<strong>Fe-BTC</strong>表面氨基化及对染料和重金属离子的吸附性能研究

Fe-BTC表面氨基化及对染料和重金属离子的吸附性能研究

曹梦薇,蔡桃,张霞

Study on Amination Modification of Fe-BTC and Their Adsorption for Dyes and Heavy Metal Ions

Mengwei CAO,Tao CAI,Xia ZHANG

表1 分别应用准一级和准二级动力学方程对于CR和Pb(II)的吸附动力学进行拟合的参数

Table 1 Simulating parameters of adsorption kinetics for CR and Pb(Ⅱ) on DETA-Fe-BTC

Adsorbate[border:border-top:solid;border-right:solid;]

$c_{0}$

mg·L^-1

$q$ _t_(max)

mg·g^-1

Pseudo-first order

Pseudo-second order

$q$ _e

mg·g^-1

k_l

min^-1

R²

$q$ _e

mg·g^-1

k₂

g·mg^-1·min^-1

R²

Pb(Ⅱ)

1500

100

2569.72

134.83

659.14

8.44

1.85×10^-2

4.29×10^-3

0.79551

0.78881

2696.43

135.32

4.48×10^-5

1.18×10^-2

0.99779

0.99998