Table 3.

Removal percentage of Pb and As for Optimization by changing a parameter.

Pb					As
pH	C.T	A.C	I.C	elimination%	pH	C.T	A.C	I.C	elimination%
3	20	1	100	82.6	3	40	4	100	82.5
5	20	1	100	91.8	5	40	4	100	71.9
7	20	1	100	97.7	7	40	4	100	78.4
9	20	1	100	86.7	9	40	4	100	83.61
7	5	1	100	86.1	9	20	4	100	32.9
7	10	1	100	98.38	9	40	4	100	44.3
7	20	1	100	96.4	9	60	4	100	86.03
7	30	1	100	96.4	9	90	4	100	75.3
7	10	0.5	100	86.4	9	60	1	100	6.9
7	10	1	100	98.38	9	60	2	100	40
7	10	1.5	100	96.5	9	60	4	100	86.4
7	10	2	100	96.4	9	60	6	100	81
7	10	1	10	75	9	60	4	10	26.6
7	10	1	20	80.5	9	60	4	20	28
7	10	1	40	79.5	9	60	4	40	61.5
7	10	1	100	98.38	9	60	4	100	86.1

The bold values are shown maximum adsorptions.