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 propertyResponse surface modelR2

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