改性牡蛎壳粉优化制备及其对草甘膦的吸附性能
张伟,梁哲,汪爱河,舒金锴,胡孟源

Optimized preparation of modified oyster shell powder and its adsorption performance for glyphosate
Wei ZHANG,Zhe LIANG,Aihe WANG,Jinkai SHU,Mengyuan HU
表4 改性牡蛎壳粉吸附草甘膦的吸附等温线拟合参数
Table 4 Adsorption isotherm fitting parameters of glyphosate adsorption by modified oyster shell powder

温度/

℃

Langmuir方程Freundlich方程

qcal/

（mg·g-1）

b/

（L·mg-1）

R21/nlnKR2
1570.820.015 40.999 980.103 73.4910.971 4
2570.320.013 30.999 940.117 33.3800.947 4
3567.200.012 60.999 640.134 43.2200.749 5