Adsorption Performance of La(III) and Y(III) on Orange Peel: Impact of Experimental Variables, Isotherms, and Kinetics

Figure 2

SEM images of OP before (a) and after La(III) (b) and Y(III) (c) adsorption.

(a) OP

(b) OP-La(III)

(c) OP-Y(III)