Mesoporous Carbon from Optimized Date Stone Hydrochar by Catalytic Hydrothermal Carbonization Using Response Surface Methodology: Application to Dyes Adsorption

Table 2

Verification experiments under optimal conditions.

XA = 200°C, XB = 120 min, and XC = 20 mg (desirability function = 88.70%)
	Predicted	Experimental	Error
Ym%	58.53	59.71	1.18 (2%)
CRR%	77.19	75.84	1.35 (1.7%)

Percentage error between experimental and model-predicted values.