磁性氨基酸功能化海藻酸铝凝胶聚合物的制备及对偶氮染料的超强吸附
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申延龙, 李北罡
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Preparation of Magnetic Amino Acid-Functionalized Aluminum Alginate Gel Polymer and its Super Adsorption on Azo Dyes
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SHEN Yanlong, LI Beigang
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表2 Gly/Al/SA@Fe3O4在不同温度对染料吸附的动力学模型拟合参数
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Table 2 Kinetic fitting parameters of dyes adsorption on Gly/Al/SA@Fe3O4 at different temperature
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Dyes | T/K | qe/mg·g-1 | Pseudo-first-order | | Error values |
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k1/min-1 | qe,1/mg·g-1 | R2 | | SSE | RMSE |
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DB 19 | 298 | 2482 | 0.0171 | 16.2 | 0.5241 | | 10 | 1.1 | 313 | 2497 | 0.0143 | 9.50 | 0.1885 | | 34 | 2.0 | 328 | 2492 | 0.0147 | 10.7 | 0.2221 | | 29 | 1.9 | DB 2 | 298 | 3251 | 0.0160 | 17.3 | 0.3244 | | 18 | 1.6 | 313 | 3075 | 0.0082 | 11.1 | 0.0845 | | 28 | 1.8 | 328 | 3058 | 0.0089 | 12.5 | 0.0874 | | 32 | 2.0 | Dyes | T/K | qe/mg·g-1 | Pseudo-second-order | | Error values | k2/g·(mg·min-1)-1 | qe,2/mg·g-1 | R2 | | SSE | RMSE | DB 19 | 298 | 2482 | 0.0002 | 2484 | 0.9995 | | 2.4×10-6 | 5.8×10-4 | 313 | 2497 | 0.0110 | 2493 | 0.9999 | | 3.8×10-8 | 7.4×10-5 | 328 | 2492 | 0.0017 | 2488 | 0.9999 | | 3.0×10-7 | 2.1×10-4 | DB 2 | 298 | 3251 | 8.5×10-5 | 3248 | 0.9979 | | 5.6×10-6 | 9.7×10-4 | 313 | 3075 | 0.0005 | 3050 | 0.9999 | | 4.6×10-8 | 8.2×10-5 | 328 | 3058 | 0.0007 | 3027 | 0.9997 | | 8.8×10-7 | 3.6×10-4 |
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