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Composition, specific surface area, average pore size, and Fe leakage percentage of the samples used for CrVI removal.
| Sample | Weight ratio of components |
SSA (m2/g) | Fe leakage (%) | |||
|---|---|---|---|---|---|---|
| Activated carbon (A) | Magnetite (M) | Chitosan (C) | Tannic acid (T) | |||
| A | 1 | 974 | ||||
| MA | 1 | 1 | 568 | 0 | ||
| CMA | 1 | 1 | 1 | 869 | 6 | |
| CMAT | 1 | 1 | 1 | 0.009 | 688 | 10 |
| AT | 1 | 0.009 | 697 | |||
| CM | 1 | 1 | 63 | 9 | ||
