不同热解温度生物炭对Cd2+的吸附影响
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康彩艳,李秋燕,刘金玉,张舒云,胡乐宁,邓华
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Effect of biochar at different pyrolysis temperatures on the adsorption of Cd2+
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Caiyan Kang,Qiuyan Li,Jinyu Liu,Shuyun Zhang,Lening Hu,Hua Deng
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表4 吸附等温线拟合参数
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| 生物炭 | Freundlich | | Langmuir | kF/
(mg1-n·Ln·g-1） | n | R2 | kL/
（L·mg-1） | Qm/
（mg·g-1） | R2 | | BS300 | 26.207 5 | 3.328 8 | 0.768 1 | | 0.018 1 | 178.09 | 0.914 5 | | BS500 | 72.614 4 | 4.521 9 | 0.852 0 | 0.113 8 | 241.33 | 0.995 9 | | BS700 | 42.118 7 | 3.541 2 | 0.899 0 | 0.034 7 | 224.09 | 0.995 5 | | CS300 | 14.962 6 | 7.385 2 | 0.983 3 | 0.036 1 | 36.34 | 0.920 6 | | CS500 | 36.877 9 | 22.015 7 | 0.989 8 | 0.329 2 | 48.37 | 0.771 1 | | CS700 | 49.074 7 | 34.704 3 | 0.981 1 | 6.103 5 | 57.46 | 0.660 3 |
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