核桃壳活性炭的制备及对水中硝基苯的吸附
温凯云,李红艳,崔建国,王芳,王朝旭,柴丽娜
Preparation of activated carbon from walnut shell and its adsorption of nitrobenzene in water
Kaiyun Wen,Hongyan Li,Jianguo Cui,Fang Wang,Chaoxu Wang,Lina Chai
表3
吸附等温线模型拟合结果
温度/K
Langmuir模型
Freundlich模型
q
m
/（mg·g
-1
）
b
/（L·mg
-1
）
R
2
K
F
n
R
2
293
63.30
0.24
0.980
9.41
1.531
0.995
298
66.67
0.18
0.952
10.90
1.570
0.983
303
68.03
0.14
0.930
12.40
1.66
0.992
308
62.11
0.27
0.965
13.36
1.66
0.992