Bulletin of the National Research Centre

Table 5 Process optimization

From: Optimization of phenol adsorption from synthetic wastewater by synthesized BiFeO₃ perovskite material, using split-plot central composite design

Desirability	Parameters			Predicted value	Actual value
Desirability	pH	Time (min)	Dosage (g)	Predicted value	Actual value
1	7	167	0.6	89.73	89.21

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