Table 3 An overall comparison of the process results of steam-assisted and MW-assisted fractionation of SSB

Solids recovery (%)

57.84 (±0.09)

52.04 (±0.76)

Reducing sugars in the hydrolysate (%)

22.62 (±1.10)

27.10 (±0.11)

Cellulose concentration in the residue (%)

68.29 (±0.31)

69.41 (±1.83)

Bulk density of the residue (kg/cm³)

314.5 (±11.37)

304.33 (±15.50)

Lignin recovery (%)

41.14 (±1.04)

40.05 (±0.65)

Lime recovery (%)

65.99 (±1.2)

71.85 (±2.48)

Isothermal treatment residence time (min)

196

143