Fig. 4

Energy-dispersive X-ray (EDX) microanalysis of treated Bentonite (B-8 N) respectively before and after adsorption: (a) before adsorption and (b) after adsorption.

Energy-dispersive X-ray (EDX) microanalysis of treated Bentonite (B-8 N) respectively before and after adsorption: (a) before adsorption and (b) after adsorption.