Research Article

Adsorptive Removal of Methylene Blue Dye Using Biowaste Materials: Barley Bran and Enset Midrib Leaf

Figure 7

Effect of solution pH on the adsorption of MB onto (a) BB and (b) EVML (conditions: initial concentration 10 mg/L MB, adsorbent dose 2.5 g/L, shaking speed 200 rpm, and temperature ).
(a)
(b)