Parametric modelling and analysis to optimize adsorption of Atrazine by MgO/Fe3O4-synthesized porous carbons in water environment

Environmental Sciences Europe

Table 2 Matrix of observed and predicted values

Run order	X₁	X₂	X₃	X₄	O	P	Run order	X₁	X₂	X₃	X₄	O	P
1	30	12	0.5	30	24.1	36.79	21	17.5	7	1.75	42.5	68.2	59.41
2	30	2	3	55	43.8	32.93	22	30	2	3	30	84.5	89.09
3	5	2	3	30	72.2	62.32	23	5	2	0.5	55	16.9	31.15
4	17.5	7	1.75	42.5	64.9	59.41	24	5	2	3	55	12.7	5.34
5	17.5	7	1.75	42.5	73.9	59.41	25	30	2	0.5	30	70.6	70.28
6	17.5	7	1.75	42.5	39.2	59.41	26	5	12	0.5	30	51.4	55.17
7	5	12	0.5	55	98.9	88.96	27	17.5	7	4.25	42.5	63.1	76.31
8	17.5	7	1.75	42.5	21.1	59.41	28	17.5	7	1.75	42.5	63.7	59.41
9	42.5	7	1.75	42.5	51.4	53.43	29	5	2	0.5	30	76.9	59.16
10	30	2	0.5	55	70.2	53.78	30	17.5	7	1.75	42.5	19.3	59.41
11	17.5	7	1.75	17.5	59.5	61.86	31	17.5	17	1.75	42.5	86.3	77.76
12	17.5	7	1.75	42.5	85.4	59.41	32	− 7.5	7	1.75	42.5	23.1	33.53
13	17.5	7	1.75	42.5	84.2	59.41	33	17.5	7	1.75	42.5	43.6	59.41
14	17.5	7	1.75	42.5	66.2	59.41	34	17.5	7	1.75	42.5	70.8	59.41
15	17.5	− 3	1.75	42.5	20.5	41.49	35	30	12	3	55	60.8	73.19
16	17.5	7	1.75	67.5	29.4	39.49	36	17.5	7	1.75	42.5	46.3	59.41
17	5	12	3	30	59.2	70.28	37	30	12	0.5	55	79.3	82.08
18	17.5	7	1.75	42.5	67.8	59.41	38	17.5	7	1.75	42.5	61.7	59.41
19	5	12	3	55	71.2	64.42	39	30	12	3	30	88.9	67.55
20	17.5	7	− 0.75	42.5	82.8	82.04	40	17.5	7	1.75	42.5	74.2	59.41