Research Article
Evaluation of Adsorption Capacity in Water of Coffee Husk-Derived Biochar at Different Pyrolysis Temperatures
Figure 3
Illustration of adsorption capacity (mg/g) by time t (min) of the biochar; a,b,c,d indicate 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.