Fig. 6From: Cotton stalk-derived hydrothermal carbon for methylene blue dye removal: investigation of the raw material plant tissuesMB uptake (Qt) versus time of CS hydrochars, glucose and cellulose-derived hydrochars. Adsorption conditions: MB initial concentration 100 mg/L, MB water solution volume 75 mL with a pH value of 7, adsorbent dosage is 50 mg, 30 °C and 120 rpmBack to article page