Research Article
Effects of Three Biochars as Adsorbents on Soils Adsorbing Ammonium Nitrogen in Biogas Slurry
Table 2
Characteristics of biochars and biogas slurry used in this assay.
| | Parameters | pH | Ammonium nitrogen (mg⋅kg−1) | BET surface areas (m2/g) |
| | Activated carbon | 7.7 | 36.66 | 872.987 | | Rice husk carbon | 9.1 | 58.64 | 3.176 | | Nut shell carbon | 8.6 | 46.58 | 144.194 | | Biogas slurry | 7.9 | 1201.40 | — |
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