Removal of Pb(II) from Aqueous Solutions with Manganese Oxide-Modified Diatomite

Table 3

Pb(II) adsorption kinetic parameters on Mn/diatomite at different adsorption temperatures.

Temperature (K)	(mg g^-1)	Pseudo-first-order			Pseudo-second-order
		(min^-1)	(mg g^-1)	RMSE	(g mg^-1 min^-1)	(mg g^-1)	RMSE
303	52.4	0.1347	49.8	2.003	0.0052	52.4	0.577
313	61.8	0.1461	58.9	2.810	0.0047	62.1	1.112
323	67.5	0.3386	66.0	0.860	0.0283	66.7	0.517
328	71.8	0.2527	69.7	1.678	0.0115	71.4	0.777
333	74.5	0.3319	72.6	1.412	0.0200	73.7	0.907
338	74.8	0.3345	73.3	0.994	0.0237	74.2	0.536