Chemical Recycling of Expanded Polystyrene Waste: Synthesis of Novel Functional Polystyrene-Hydrazone Surface for Phenol Removal

Table 6

Model validation for the removal of phenol by PSH surface.

Adsorbent Dose (mg)	pH	Conc. (mgL^−1)	Time (min)	% Adsorption of phenol
				Predicted	Experimental
51	7.0	5	50	100	99.93