Phragmites karka as a Biosorbent for the Removal of Mercury Metal Ions from Aqueous Solution: Effect of Modification

Figure 10

(a) Effect of temperature on adsorption capacity of natural P. karka and treated P. karka. (b) Thermodynamics studies for natural P. karka and treated P. karka (concentration = 10 mg/L, time = 50 and 40 minutes for natural P. karka and treated p. karka, resp., –328 K, agitation speed = 150 and 100 rpm natural P. karka and treated p. karka, resp., dose of biosorbent = 1 g/100 mL, and pH = 6 and 7 for natural P. karka and treated p. karka, resp.).

(a)

(b)