腐殖酸磷肥中的腐殖酸对磷迁移的影响及机理
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景建元,袁亮,张水勤,李燕婷,赵秉强
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Effects and Mechanism of Humic Acid in Humic Acid Enhanced Phosphate Fertilizer on Fertilizer-Phosphorus Migration
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JING JianYuan,YUAN Liang,ZHANG ShuiQin,LI YanTing,ZHAO BingQiang
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表2 HA与PHA吸附Ca2+动力学拟合参数
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Table 2 Adsorption kinetics fitting parameters of HA and PHA on Ca2+
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| 准一级动力学方程
Pseudo first order kinetic equation | | 准二级动力学方程
Pseudo second order kinetic equation | | Weber-Morris模型Weber-Morris model | | 附段1 Stage1 | | 附段2 Stage2 | | qe,cal (mg·g-1) | k1 (h-1) | R2 | qe,cal (mg·g-1) | k2 (h-1) | R2 | ki | C | R2 | ki | C | R2 | | HA | 5.63 | 26.89 | 0.99 | | 5.70 | 17.27 | 0.94 | | 1.41 | 4.71 | 0.81 | | 0.01 | 5.62 | 0.42 | | PHA | 5.33 | 28.38 | 0.89 | | 5.39 | 19.16 | 0.99 | | 1.18 | 4.52 | 0.95 | | 0.02 | 5.33 | 0.34 |
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