Research Article
Effects of Three Biochars as Adsorbents on Soils Adsorbing Ammonium Nitrogen in Biogas Slurry
Figure 3
Effects of commercial activated carbon (C1) on sandy soil adsorbing -N in biogas slurry when the particle sizes of activated carbon were 2 mm, 1 mm, and 0.5 mm.
| (a) 2 mm particle size |
| (b) 1 mm particle size |
| (c) 0.5 mm particle size |