巯基改性泥炭对水体中Hg2+的吸附解吸研究
|
|
姚璁,何天容,冉澍,王祖波,王衡
|
Adsorption and desorption of Hg2+ in water by thiol group modified peat
|
|
Cong Yao,Tianrong He,Shu Ran,Zubo Wang,Heng Wang
|
|
表2 泥炭土与巯基改性泥炭土对Hg2+的等温吸附拟合参数
|
| |
|
| 吸附材料 | Langmuir方程C/Q=C/Qmax+1/K1Qmax | | Freundlich方程Q=K2C1/n | | Temkin方程Q=A+BlnC | | Qmax | K1 | R2 | K2 | n | R2 | A | B | R2 | | 泥炭土 | 75.188 0 | 0.418 2 | 0.999 7 | | 24.385 2 | 4.941 4 | 0.912 3 | | 28.472 | 8.285 1 | 0.994 2 | | 1:0.2巯基改性泥炭土 | 80 | 1.453 5 | 0.999 9 | | 31.121 6 | 5.685 7 | 0.849 6 | | 37.894 | 8.143 9 | 0.942 4 | | 1:0.5巯基改性泥炭土 | 129.870 1 | 2.138 9 | 1 | | 49.858 3 | 5.294 6 | 0.825 2 | | 66.556 | 12.499 | 0.892 7 | | 1:1巯基改性泥炭土 | 175.438 6 | 1.212 8 | 0.999 0 | | 60.493 1 | 4.534 8 | 0.872 8 | | 85.451 | 15.686 | 0.879 8 |
|
|
|