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

Figure 1

Sodium alginate colloid is 50,000 times before adsorption (a), 50,000 times after adsorption of As(III) (b), 50,000 times after adsorption of Pb(II) (c), and 50,000 times after adsorption of Zn(II) (d).

(a)

(b)

(c)

(d)