Table 2.

Actual and predicted values of black acid adsorption efficiency.

Std	Run	A:Concentration	B: Dose	C: pH	D:Temperature	E: Time	Removal
13	1	20	2	9	50	20	84.65
15	2	20	4	9	50	20	94.35
6	3	40	2	9	30	20	44.35
43	4	30	3	7	40	30	80.3
20	5	40	4	5	30	40	86.475
46	6	30	3	7	40	30	81.16
36	7	30	5.38	7	40	30	95.2
11	8	20	4	5	50	20	93.75
29	9	20	2	9	50	40	93.8
39	10	30	3	7	16.22	30	76.83
44	11	30	3	7	40	30	84.03
28	12	40	4	5	50	40	86.15
5	13	20	2	9	30	20	72.35
45	14	30	3	7	40	30	83.43
49	15	30	3	7	40	30	83.86
42	16	30	3	7	40	53.78	90.2
34	17	53.78	3	7	40	30	57.98
10	18	40	2	5	50	20	51.25
35	19	30	0.62	7	40	30	53.26
38	20	30	3	11.76	40	30	84.36
25	21	20	2	5	50	40	81.55
31	22	20	4	9	50	40	96.05
4	23	40	4	5	30	20	78.77
32	24	40	4	9	50	40	96.25
7	25	20	4	9	30	20	93.45
30	26	40	2	9	50	40	81.92
37	27	30	3	2.24	40	30	94.9
33	28	6.22	3	7	40	30	91.63
2	29	40	2	5	30	20	48.95
17	30	20	2	5	30	40	91.55
21	31	20	2	9	30	40	83.95
19	32	20	4	5	30	40	90.65
24	33	40	4	9	30	40	88.45
22	34	40	2	9	30	40	79.42
9	35	20	2	5	50	20	89.8
27	36	20	4	5	50	40	96.04
3	37	20	4	5	30	20	90.75
41	38	30	3	7	40	6.22	68.83
16	39	40	4	9	50	20	76.6
12	40	40	4	5	50	20	85.2
18	41	40	2	5	30	40	66.6
50	42	30	3	7	40	30	80.8
26	43	40	2	5	50	40	68.725
1	44	20	2	5	30	20	81.55
48	45	30	3	7	40	30	89.7
8	46	40	4	9	30	20	74.1
14	47	40	2	9	50	20	55.1
40	48	30	3	7	63.78	30	81.43
47	49	30	3	7	40	30	80.36
23	50	20	4	9	30	40	92.25