Zr-CTAB联合改性皇竹草活性炭吸附氮磷的性能研究

李建敏,向玉,任彦,马飘,钱星燕,袁婉宁,杨敏

Adsorption characteristics of nitrogen and phosphorus by Zr-CTAB combined modified activated carbon of Pennisetum hydridum

Jianmin LI,Yu XIANG,Yan REN,Piao MA,Xingyan QIAN,Wanning YUAN,Min YANG

表4 Zr-CTAB-PAC对磷酸盐/硝酸盐的等温吸附模型

Table 4 Phosphate/nitrate isotherm adsorption model by Zr-CTAB-PAC

项目 Langmuir Freundlich qmax（mg·g-1） KL/（L·mg-1） R2 Kf 1/n R2 磷酸盐 3.090 0.756 3 0.998 7 6.396 0.264 8 0.993 7 硝酸盐 2.911 0.595 8 0.999 9 6.998 0.309 7 0.992 4