Table 2.

Experimental design matrix with the experimental and predicted values for MB adsorption on Ho-CaWO₄ nanoparticles using the RSM and ANN modelling techniques.

Run	pH	Time (min)	Nano dose (g/L)	Concentration (mg/L)	Removal efficiency (%)
					Actual	Predicted
						RSM	ANN
1	10	110	2	100	60.33	60.39	60.33
2	10	110	0.01	100	60.92	60.84	60.92
3	10	15	2	400	50.50	50.56	50.50
4	2	110	0.01	400	56.25	56.18	56.07
5	10	15	0.01	400	50.04	49.97	50.04
6	2	15	2	100	71.17	71.22	71.17
7	2	110	2	400	56.96	57.02	56.96
8	2	15	0.01	100	71.00	70.93	69.24
9	2	62.5	1	250	63.17	63.21	65.11
10	10	62.5	1	250	55.67	55.71	55.67
11	6	15	1	250	58.67	58.71	58.67
12	6	110	1	250	56.09	56.12	56.09
13	6	62.5	0.01	250	58.33	58.63	62.03
14	6	62.5	2	250	59.17	58.95	59.17
15	6	62.5	1	100	67.00	67.04	67.00
16	6	62.5	1	400	55.00	55.04	55.00
17	6	62.5	1	250	59.17	59.02	59.09
18	6	62.5	1	250	59.30	59.02	59.09
19	6	62.5	1	250	59.00	59.02	59.09
20	6	62.5	1	250	58.92	59.02	59.09
21	6	62.5	1	250	58.96	59.02	59.09