Table 4.

Box–Behnken design matrix and the experimental and response values of RR198 uptake by MSW compost ash.

pH	Time (min)	Adsorbent dose (mg L−1)	RR198 Con.	Experimental removal (%)	Predicted value (%) (BBD-RSM)	Predicted value (%) (GA-ANN)
3	20	0.5	20	65.9	66.45	65.87
11	20	2	100	66.8	66.74	64.92
7	50	1.25	20	70.4	69.64	69.54
3	80	0.5	20	81	79.25	80.96
7	80	1.25	60	67.8	69.63	67.72
7	50	2	60	73	71.21	72.87
11	80	0.5	20	63.8	63.77	64.25
7	50	0.5	60	58	57.54	58.30
3	20	2	100	74.9	72.82	75.04
11	80	0.5	100	62.1	61.27	60.49
7	50	1.25	100	62.3	64.74	61.90
11	20	0.5	20	57.4	55.57	57.38
7	50	1.25	60	65.1	64.38	64.66
11	20	2	20	69.3	69.24	69.30
3	80	2	20	91	92.92	90.62
11	20	0.5	100	52.1	53.07	55.75
11	80	2	20	76	77.44	74.55
3	20	0.5	100	57.4	59.15	57.48
3	50	1.25	60	74.1	73.23	75.71
11	50	1.25	60	59.9	62.45	59.50
3	20	2	20	79.6	80.12	79.58
11	80	2	100	77.1	74.94	70.76
3	80	0.5	100	72.3	71.95	72.20
7	20	1.25	60	58.5	59.13	58.63
3	80	2	100	85.3	85.62	84.82
7	50	1.25	60	63.2	64.38	64.66
7	50	1.25	60	66.9	64.38	64.66
7	50	1.25	60	64.2	64.38	64.66