Simultaneous elimination of Malachite Green, Rhodamine B and Cresol Red from aqueous sample with Sistan sand, optimized by Taguchi L16 and Plackett–Burman experiment design methods

Table 2 Taguchi design and obtained results for simultaneous removal percentage of MG, RhB and CR

No	pH	Adsorbent dosage	NaCl added	Contact time	Initial dye concentration	MG1 (%)	MG2 (%)	MG3 (%)	CR1 (%)	CR2 (%)	CR3 (%)	RhB1 (%)	RhB2 (%)	RhB3 (%)
1	1	1	1	1	1	81	85	79	64	64	67	88	87	83
2	1	2	2	2	2	88	82	81	80	79	74	89	87	83
3	1	3	3	3	3	86	86	85	79	83	73	86	88	83
4	1	4	4	4	4	83	83	78	68	66	71	79	75	80
5	2	1	2	3	4	82	87	81	56	56	58	82	76	75
6	2	2	1	4	3	93	92	91	71	66	67	90	87	90
7	2	3	3	1	2	92	86	97	94	86	87	77	76	80
8	2	4	3	2	1	93	94	93	95	88	99	87	81	83
9	3	1	3	4	2	87	80	91	73	75	68	86	81	89
10	3	2	4	3	1	93	89	93	91	93	87	87	83	86
11	3	3	1	2	4	97	89	99	70	72	67	82	75	79
12	3	4	2	1	3	97	98	93	82	77	84	79	73	75
13	4	1	4	2	3	87	80	83	76	78	74	73	75	72
14	4	2	3	1	4	96	92	97	82	80	75	71	74	72
15	4	3	2	4	1	94	98	98	80	79	80	94	92	97
16	4	4	1	3	2	96	90	92	79	73	77	94	86	86

ISSN: 2661-801X

No	pH	Adsorbent dosage	NaCl added	Contact time	Initial dye concentration	MG1 (%)	MG2 (%)	MG3 (%)	CR1 (%)	CR2 (%)	CR3 (%)	RhB1 (%)	RhB2 (%)	RhB3 (%)
1	1	1	1	1	1	81	85	79	64	64	67	88	87	83
2	1	2	2	2	2	88	82	81	80	79	74	89	87	83
3	1	3	3	3	3	86	86	85	79	83	73	86	88	83
4	1	4	4	4	4	83	83	78	68	66	71	79	75	80
5	2	1	2	3	4	82	87	81	56	56	58	82	76	75
6	2	2	1	4	3	93	92	91	71	66	67	90	87	90
7	2	3	3	1	2	92	86	97	94	86	87	77	76	80
8	2	4	3	2	1	93	94	93	95	88	99	87	81	83
9	3	1	3	4	2	87	80	91	73	75	68	86	81	89
10	3	2	4	3	1	93	89	93	91	93	87	87	83	86
11	3	3	1	2	4	97	89	99	70	72	67	82	75	79
12	3	4	2	1	3	97	98	93	82	77	84	79	73	75
13	4	1	4	2	3	87	80	83	76	78	74	73	75	72
14	4	2	3	1	4	96	92	97	82	80	75	71	74	72
15	4	3	2	4	1	94	98	98	80	79	80	94	92	97
16	4	4	1	3	2	96	90	92	79	73	77	94	86	86

No	pH	Adsorbent dosage	NaCl added	Contact time	Initial dye concentration	MG1 (%)	MG2 (%)	MG3 (%)	CR1 (%)	CR2 (%)	CR3 (%)	RhB1 (%)	RhB2 (%)	RhB3 (%)
1	1	1	1	1	1	81	85	79	64	64	67	88	87	83
2	1	2	2	2	2	88	82	81	80	79	74	89	87	83
3	1	3	3	3	3	86	86	85	79	83	73	86	88	83
4	1	4	4	4	4	83	83	78	68	66	71	79	75	80
5	2	1	2	3	4	82	87	81	56	56	58	82	76	75
6	2	2	1	4	3	93	92	91	71	66	67	90	87	90
7	2	3	3	1	2	92	86	97	94	86	87	77	76	80
8	2	4	3	2	1	93	94	93	95	88	99	87	81	83
9	3	1	3	4	2	87	80	91	73	75	68	86	81	89
10	3	2	4	3	1	93	89	93	91	93	87	87	83	86
11	3	3	1	2	4	97	89	99	70	72	67	82	75	79
12	3	4	2	1	3	97	98	93	82	77	84	79	73	75
13	4	1	4	2	3	87	80	83	76	78	74	73	75	72
14	4	2	3	1	4	96	92	97	82	80	75	71	74	72
15	4	3	2	4	1	94	98	98	80	79	80	94	92	97
16	4	4	1	3	2	96	90	92	79	73	77	94	86	86

No	pH	Adsorbent dosage	NaCl added	Contact time	Initial dye concentration	MG1 (%)	MG2 (%)	MG3 (%)	CR1 (%)	CR2 (%)	CR3 (%)	RhB1 (%)	RhB2 (%)	RhB3 (%)
1	1	1	1	1	1	81	85	79	64	64	67	88	87	83
2	1	2	2	2	2	88	82	81	80	79	74	89	87	83
3	1	3	3	3	3	86	86	85	79	83	73	86	88	83
4	1	4	4	4	4	83	83	78	68	66	71	79	75	80
5	2	1	2	3	4	82	87	81	56	56	58	82	76	75
6	2	2	1	4	3	93	92	91	71	66	67	90	87	90
7	2	3	3	1	2	92	86	97	94	86	87	77	76	80
8	2	4	3	2	1	93	94	93	95	88	99	87	81	83
9	3	1	3	4	2	87	80	91	73	75	68	86	81	89
10	3	2	4	3	1	93	89	93	91	93	87	87	83	86
11	3	3	1	2	4	97	89	99	70	72	67	82	75	79
12	3	4	2	1	3	97	98	93	82	77	84	79	73	75
13	4	1	4	2	3	87	80	83	76	78	74	73	75	72
14	4	2	3	1	4	96	92	97	82	80	75	71	74	72
15	4	3	2	4	1	94	98	98	80	79	80	94	92	97
16	4	4	1	3	2	96	90	92	79	73	77	94	86	86