Research Article

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

Figure 4

Effect of agitation time on MB removal (a) BB and (b) EVML (conditions: initial concentration (10 mg/L), adsorbent dose (2.5 g/L), shaking speed 200 rpm, and temperature ).
(a)
(b)