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Kinetic parameters for the adsorption behavior of various modified geopolymer cement mixes towards crystal violet dye.
| Kinetic parameter | ||||
|---|---|---|---|---|
| Type of model | Parameters | S | SMA6 | SSF6 |
| Pseudo-first-order | qe (mg/g) | 0.003 | 0.077 | 0.090 |
| K1 (L/mg) | 0.00007 | 0.00002 | 0.00003 | |
| R2 | 0.3625 | 0.9318 | 0.6884 | |
| Pseudo-second-order | qe | 22.62 | 34.01 | 36.36 |
| K2 | −0.005 | -0.0076 | -0.0081 | |
| R2 | 1 | 0.9998 | 0.9999 | |
