Research Article
Improving Biomethane Production and Mass Bioconversion of Corn Stover Anaerobic Digestion by Adding NaOH Pretreatment and Trace Elements
Table 1
Characteristics of corn stover and activated sludge used in this study.
| | Indexes (dry matter) | Corn stover | Activated sludge |
| | Total solid (%) | 94.93 ± 0.36 | 14.33 ± 0.13 | | Volatile solid (%) | 85.14 ± 0.24 | 5.95 ± 0.19 | | Total carbon (%) | 42.65 ± 0.14 | 30.12 ± 0.39 | | Total nitrogen (%) | 1.22 ± 0.17 | 3.28 ± 0.32 | | Cellulose (%) | 38.82 ± 0.43 | — | | Hemicellulose (%) | 29.02 ± 0.37 | — | | Lignin (%) | 7.16 ± 0.14 | — | | Fe (mg/Kg) | 624.59 ± 12.85 | 8559.60 ± 78.43 | | Co (mg/Kg) | 0.39 ± 0.01 | 3.55 ± 0.01 | | Ni (mg/Kg) | 7.45 ± 0.12 | 14.81 ± 0.39 |
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