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5 改性牡蛎壳粉吸附草甘膦热力学参数

Table 5 Thermodynamic parameters of glyphosate adsorption by modified oyster shell powder

温度/℃

ΔG/

（kJ·mol^-1）

ΔH/

（kJ·mol^-1）

ΔS/

（kJ·mol^-1·K^-1）

-11.17

-3.235

0.028

-11.49

-3.235

0.028

-11.72

-3.235

0.028