Research Article

Evaluation of Adsorption Capacity in Water of Coffee Husk-Derived Biochar at Different Pyrolysis Temperatures

Figure 2

Adsorption capacity (mg·g−1) vs .Co (mg·L−1) at different pyrolytic temperatures. Different letters represent statistically significant differences. (a) Biochar at 300°C, (b) biochar at 450°C, (c) biochar at 600°C, and (d) adsorption efficiency of 3 forms of biochar.