Defluoridation of Aqueous Solution Using Thermally Activated Biosorbents Prepared from Adansonia digitata Fruit Pericarp

Table 1

Different experiments suggested by Design-Expert software for the optimization of conditions of pH, initial concentration (IC), contact time (CT), and adsorbent dose (AD) for defluoridation using TAADFPs.

Run	pH	IC (mg/L)	CT (min)	AD (g)	Adsorption efficiency (%) for TAADFPs activated at different temperatures
					450°C	500°C	550°C	600°C
1	12.00	5.00	30.00	10.00	57.12	78.72	70.55	72.73
2	2.00	50.00	120.00	10.00	91.72	93.97	89.70	93.17
3	7.00	27.50	75.00	5.50	92.99	94.47	84.43	89.16
4	3.00	50.00	25.00	5.50	71.24	78.79	70.37	78.80
5	6.00	5.00	30.00	1.00	68.63	67.68	79.19	91.94
6	4.00	27.50	75.00	5.50	92.37	93.15	91.27	91.57
7	2.00	27.50	75.00	5.50	67.61	92.57	90.52	98.36
8	5.00	5.00	120.00	10.00	63.85	91.22	91.70	89.60
9	10.00	50.00	120.00	1.00	68.26	78.71	53.85	58.91
10	5.00	27.50	30.00	5.50	92.68	93.96	77.42	96.36
11	8.00	27.50	30.00	5.50	91.01	93.70	77.39	88.70
12	4.00	27.50	25.00	5.50	88.91	93.17	86.22	87.16
13	6.00	50.00	25.00	1.00	79.35	78.48	71.95	76.94
14	3.00	27.50	120.00	10.00	95.55	96.50	96.88	94.67
15	6.00	27.50	75.00	5.50	94.29	56.62	91.94	93.44
16	2.00	50.00	30.00	10.00	88.41	91.92	80.05	64.94
17	12.00	5.00	30.00	5.50	53.98	50.94	75.45	59.49
18	10.00	27.50	75.00	5.50	87.46	93.15	85.05	93.15
19	6.00	27.50	75.00	1.00	46.34	75.87	63.85	71.99
20	4.00	27.50	120.00	5.50	93.26	93.17	97.65	94.67
21	8.00	5.00	120.00	1.00	63.02	75.92	62.96	71.54