Adsorption of As(III), Pb(II), and Zn(II) from Wastewater by Sodium Alginate Modified Materials

Figure 2

EDS photos of sodium alginate colloid before adsorption (a), after adsorption of As(III) (b), after adsorption of Pb(II) (c), and after adsorption of Zn(II) (d).

(a)

(b)

(c)

(d)