Research Article
Biological Pretreatment by Solid-State Fermentation of Oat Straw to Enhance Physical Quality of Pellets
Table 5
Regression equations of pellet physical property.
| Physical property | Response surface model | R2 |
| Oat straw pretreated with TV52J | Density 0 (kg/m3) | | 0.88 | Density 1 (kg/m3) | | 0.74 | Dimensional stability (%) | | 0.74 | Tensile strength (MPa) | | 0.78 | Oat straw pretreated with PC | Density 0 (kg/m3) | | 0.96 | Density 1 (kg/m3) | | 0.89 | Dimensional stability (%) | | 0.73 | Tensile strength (MPa) | | 0.85 |
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