Research Article
Tartaric Acid-Modified Holarrhena antidysenterica and Citrullus colocynthis Biowaste for Efficient Eradication of Crystal Violet Dye from Water
Table 3
Thermodynamic parameters for CV dye adsorption.
| Adsorbents | T (K) | ∆G (KJ/mol) | KD | ∆H (KJ/mol) | ∆S (J/mol K) |
| HA untreated | 283 | −4.828 | 7.782 | −63.5057 | 262.8423 | 293 | −5.788 | 10.758 | 303 | −6.783 | 14.767 | 313 | −8.396 | 25.179 | 323 | −8.961 | 31.267 |
| Acid treated | 283 | −4.79 | 67.676 | −67.3621 | 276.0735 | 293 | −6.019 | 11.826 | 303 | −6.472 | 13.047 | 313 | −8.462 | 25.818 | 323 | −9.615 | 35.875 |
| CC untreated | 283 | −3.261 | 3.997 | −64.1031 | 254.0534 | 293 | −4.917 | 7.523 | 303 | −5.641 | 9.3813 | 313 | −6.235 | 10.976 | 323 | −8.133 | 20.654 |
| Acid treated | 283 | −4.893 | 7.999 | −72.8767 | 294.5128 | 293 | −5.335 | 8.933 | 303 | −7.283 | 17.998 | 313 | −7.995 | 21.582 | 323 | −10.02 | 41.745 |
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