Table 4.

Comparison between the experimental and predicted MCPA adsorption capacity, q_e (mg g⁻¹).

runs	contact time (min)	initial concentration (mg l−1)	adsorbent dosage (mg)	pH	temperature (°C)	experimental, qe (mg g−1)	predicted, qe (mg g−1)	error
1	15	20	20	4	30	93.620	91.878	1.742
2	5	10	30	2	35	44.388	44.208	0.180
3	15	20	40	4	30	94.585	94.516	0.429
4	15	20	20	8	30	92.173	92.610	0.437
5	25	40	20	4	30	188.577	188.445	0.132
6	25	10	10	2	35	48.379	49.236	0.857
7	15	20	20	4	45	94.585	95.661	1.076
8	5	30	10	2	35	130.441	131.085	0.644
9	5	30	10	6	25	132.634	133.108	0.474
10	5	30	30	2	25	130.441	133.754	3.313
11	5	10	30	6	35	44.388	43.845	0.543
12	25	10	10	6	35	48.379	48.833	0.454
13	25	30	30	6	35	142.568	141.699	0.869
14	25	30	10	2	35	141.910	141.187	0.723
15	5	10	10	2	25	44.388	44.110	0.278
16	5	30	10	6	35	130.441	130.853	0.412
17	35	20	20	4	30	95.243	93.853	1.390
18	5	30	30	6	35	130.441	131.781	1.340
19	5	30	30	6	25	132.634	133.854	1.220
20	25	10	30	2	25	48.379	50.190	1.811
21	25	30	10	6	35	142.568	141.418	1.150
22	15	20	20	10	30	93.620	92.955	0.665
23	25	10	30	6	25	48.379	49.095	0.716
24	25	10	30	6	35	48.379	48.697	0.318
25	45	20	20	4	30	94.585	96.674	2.089
26	25	20	10	4	40	95.243	94.028	1.557
27	5	10	10	6	25	44.651	43.242	1.409
28	5	10	30	6	25	43.028	41.792	1.236
29	25	30	30	2	35	142.568	141.741	0.827
30	5	30	10	2	25	131.213	133.267	2.054
31	25	30	30	2	25	141.910	142.031	0.121
32	5	10	10	2	35	44.388	44.869	0.481
33	5	30	30	2	35	132.013	131.321	0.692
34	25	30	10	6	25	142.568	141.679	0.889
35	5	10	30	2	25	43.537	42.995	0.542
36	25	10	10	6	25	48.379	48.379	0.000
37	15	20	50	4	30	93.620	93.620	0.000
38	15	20	20	4	30	93.620	93.620	0.000
39	25	50	10	4	40	233.577	233.576	0.001
40	5	10	10	6	35	44.218	44.542	0.324
41	15	10	10	2	25	46.537	46.537	0.000
42	25	30	30	6	25	142.568	142.180	0.388
43	25	30	10	2	25	142.568	142.568	0.000
44	25	20	10	4	35	48.379	48.379	0.000