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

Table 1

Comparison of the biosorption of Cu²⁺ by different dry modified materials.

Biosorption material	Biosorption rate (%)	Biosorption capacity (mg/g)
Raw corn stalk	48.3	6.44
Fermented corn stalk	93.5	12.47