Research Article
Effectiveness of Alkali-Acid Treatment in Enhancement the Adsorption Capacity for Rice Straw: The Removal of Methylene Blue Dye
Figure 7
Equilibrium adsorption isotherms of MB dye by various prepared adsorbents at pH 6 (), adsorbent dose = 0.15 g/25 mL, and initial MB concentrations = 20–200 mg/L.