Iron Oxide Impregnated Morus alba L. Fruit Peel for Biosorption of Co(II): Biosorption Properties and Mechanism

Table 2

Kinetics parameters of Co(II) biosorption with MAFP and IO-MAFP.

Type of Adsorbent	Initial metal ion concentration, mg L^−1	𝑞𝑒,exp., mg g^−1	Pseudo-first-order			Pseudo-second-order
			𝑞𝑒, mg g^−1	𝐾1, min^−1	𝑅^2	𝑞𝑒, mg g^−1	𝐾2, g mg^−1 min^−1	h, mg g^−1 min^−1	𝑅^2
MAFP	4	1.876	3.778	0.131	0.846	1.993	0.129	0.516	0.998
	10	4.621	2.606	0.095	0.340	4.697	0.106	2.329	0.999
	20	9.001	11.189	0.156	0.504	9.337	0.129	11.261	0.999
IO-MAFP	4	1.903	1.992	0.0761	0.885	2.094	0.044	0.194	0.985
	10	4.711	1.005	0.0613	0.201	4.714	0.119	2.666	0.999
	20	9.280	0.482	0.0405	0.232	9.426	0.129	19.172	0.999