净水厂干化铝污泥对水中Pb2+和Cu2+的吸附研究
|
|
马晨阳,段润斌,杜震宇
|
Adsorption of Pb2+ and Cu2+ in water by dried alum-sludge from a water treatment plant
|
|
Chenyang Ma,Runbin Duan,Zhenyu Du
|
|
表3 热力学拟合参数
|
| |
|
重金属
离子 | T/K | Kd /
(L·g1) | ΔGθ/
(kJ·mol-1) | ΔHθ/
(kJ·mol-1) | ΔSθ/
(kJ·mol·K-1) | | 293 | 8.845 | -21.16 | | | | Pb2+ | 303 | 9.299 | -23.70 | 53.261 | 0.254 | | 313 | 10.246 | -26.24 | | | | 293 | 1.058 | -17.24 | | | | Cu2+ | 303 | 2.627 | -19.59 | 51.615 | 0.235 | | 313 | 4.072 | -21.94 | | |
|
|
|