Research Article
Improving Anaerobic Digestion of Wheat Straw by Plasma-Assisted Pretreatment
Table 1
Methane yields, lignin content, and concentration of available sugars of raw and PAP wheat straw.
| Treatment (layer) | Series name | VS load (gVS/L) | Yield (mL CH4/gVS) | Lignin (% of TS)1 | Total sugars (% of TS)2 |
| Raw material | RAW | 10 | 254.04 ± 19.49 | 20.0 | 7.0 | Single layer | SIN | 10 | 317.04 ± 19.49 | 16.2 | 14.56 | Top layer | TOP | 10 | 286.05 ± 7.35 | 17.5 | 8.78 | Mid layer | MID | 10 | 300.97 ± 0.09 | 13 | 16.93 | Bottom layer (low load) | BOT5 | 5 | 366.46 ± 9.36 | 7.2 | 28.43 | Bottom layer (medium load) | BOT10 | 10 | 311.58 ± 10.45 | 7.2 | 28.43 | Bottom layer (high load) | BOT20 | 20 | 277.96 ± 8.59 | 7.2 | 28.43 |
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Strong acid hydrolysis; 2enzymatic hydrolysis.
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