Adsorption Characteristics of Chitosan-Modified Bamboo Biochar in Cd(II) Contaminated Water

Figure 4

Effect of pH (a), contact time (b), and dose (c) on the adsorption rates of BB and CBB in Cd(II) contaminated water. Error bars mean the standard deviation. ^∗indicates a significant difference ( < 0.05) between the adsorption rates of BB and CBB at different pH, contact times, and doses.

(a)

(b)

(c)