Study of Montmorillonite Clay for the Removal of Copper (II) by Adsorption: Full Factorial Design Approach and Cascade Forward Neural Network

Table 6

Optimization of the analyzed factors.

Runs	Optimized factors	Predicted; removal efficiency; %
1	, , , (1)	72.05 (79.92)
2	, , , (1)	74.61 (82.99)
3	, , , (1)	78.11 (85.81)
4	, , , (1)	80.70 (88.91)
5	, , , (1)	83.28 (92.01)
6	, , , (1)	85.87 (95.11)