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Table 1 shows the adsorption isotherm model parameters and correlation coefficients for adsorption of IC dye on activated carbonaceous material (tea-waste)

From: Activated carbonaceous materials from tea waste and its removal capacity of indigo carmine present in solution: synthesis, batch and optimization study

Langmuir Freundlich Temkin
Q (mg g−1) d (L mg− 1) R2 Kf (mg g− 1) c R2 RT (J mol− 1) KT (L g− 1) R2
20 1.56 0.99 12.6 6.8 0.971 2.4 161 0.98