Research Article
Biological Pretreatment by Solid-State Fermentation of Oat Straw to Enhance Physical Quality of Pellets
Table 7
Optimum conditions for producing oat straw pellets pretreated with TV52J and PC.
| | Fungal strains | Number | Fermentation time (d) | Moisture content (% mass fraction) | Particle size (mm) | Fermentation temperature (°C) | Density 0 (kg/m3) | Density 1 (kg/m3) | Dimensional stability (%) | Tensile strength (MPa) | Desirability |
| | Untreated | | | | | | 979 | 968 | 1.14 | 0147 | | | TV52J | 1 | 33.96 | 70.00 | 150.00 | 22.00 | 1,104 | 1,070 | 1.07 | 0.395 | 0.844 | | 2 | 33.43 | 70.00 | 150.00 | 22.00 | 1,103 | 1,070 | 1.05 | 0.394 | 0.842 | | PC | 1 | 35.00 | 70.00 | 50.00 | 22.00 | 1,108 | 1,068 | 1.14 | 0.294 | 0.817 | | 2 | 35.00 | 69.96 | 50.78 | 22.00 | 1,107 | 1,067 | 1.13 | 0.293 | 0.816 |
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