Fig. 5From: Activated carbonaceous materials from tea waste and its removal capacity of indigo carmine present in solution: synthesis, batch and optimization studyParameter interaction effect on adsorption of IC dye by activated carbonaceous material (tea waste) as acquired from Response Surface Methodology (RSM) analysis. a-c show the 3D plots implying the interactions impact of solution pH vs. adsorbent dose, pH vs. reaction time, adsorbent dose vs. reaction time on percentage removal (%) of IC dye respectivelyBack to article page