Removal of Indigo Carmine Dye from Aqueous Solution Using Magnesium Hydroxide as an Adsorbent

Table 4

(a) List of parameters used to evaluate the pseudo-second order rate equation (pH 6-7). (b) List of parameters used to evaluate the pseudo-second order rate equation (pH 12-13).

(a)

Time (min)	/		/	/
10	452.489	100	204746.29	4524.89
20	558.1915	400	311577.750	11163.83
30	757.5757	900	573920.94	22727.271
40	936.768	1600	877534.2858	37470.72
50	1149.453	2500	1321242.19	57472.65

(b)

Time (min)	/		/	/
10	526.3158	100	277008.3213	5263.158
20	787.4015	400	620001.1222	15748.03
30	1102.9412	900	1216479.291	33088.236
40	1261.8297	1600	1592214.192	50473.188
50	1453.4884	2500	2112628.529	72674.42