Research Article

Removal of Zn (II) and Cu (II) Ions from Industrial Wastewaters Using Magnetic Biochar Derived from Water Hyacinth

Table 1

Specific surface areas of EC and Fe2O3-EC.

Temperature (°C)AdsorbentSurface area (m2 g−1)

350EC150.13
Fe2O3-EC163.60

450EC610.88
Fe2O3-EC1038.48

600EC553.59
Fe2O3-EC983.75