Fermented Corn Stalk for Biosorption of Copper(II) from Aqueous Solution

Table 2

The capacity of biosorption and desorption for Cu(II) on fermented corn stalk for three cycles.

Times	Biosorption (mg/g)	Desorption (mg/g)	Recovery rate (%)
1	12.47 ± 0.22	12.32 ± 0.24	98.7
2	12.17 ± 0.24	11.92 ± 0.23	97.9
3	11.87 ± 0.23	11.50 ± 0.22	96.8