3 结果与讨论
3.1 亲和吸附剂的物理性质
由表1可知,AA3比表面积(Specific area,S)最大,其次为AA4,随后按AA5、AA1、AA2顺序下降。平均孔径(Average Pore diameter)的顺序由AA2、AA1、AA5、AA4、AA3的规律性逐次递减。孔容(Pore Volume, V)的递减顺序与平均孔径变化相似。
表1 5种亲合吸附剂的物理性能
Table 1 Characterization of the physical structure of 5 kinds of affinity adsorbents
| Resin type | Specific area (m2/g) | Average pore diameter (nm) | Pore volume (ml/g) |
| AA1 | 67.47 | 232 | 0.7524 |
| AA2 | 58.49 | 256 | 0.7480 |
| AA3 | 107.21 | 49 | 0.2629 |
| AA4 | 84.15 | 64 | 0.2693 |
| AA5 | 72.73 | 86 | 0.3541 |