Table 3 Fitting the effect of different levels of microwave power and sample thickness on CO2 and NOx values in microwave dryer.
From: Qualitative, energy and environmental aspects of microwave drying of pre-treated apple slices
Pretreatment | Type of fuel | Equation for CO2 | R2 | Equation for NOx | R2 |
|---|---|---|---|---|---|
Control | Natural gas | 14,934 + 1506.5A − 44.54B | 0.9636 | 42.038 + 4.24063A − 0.12538B | 0.9636 |
Gas oil | 8863.5 + 894.125A − 26.435B | 0.9636 | 53.865 + 5.43375A − 0.16065B | 0.9636 | |
Ultrasound | Natural gas | 5872.5 + 556.875A − 18.225B | 0.9743 | 38.4975 + 3.65063A − 0.11948B | 0.9743 |
Gas oil | 8117.1 + 769.725A − 25.191B | 0.9743 | 49.329 + 4.67775A − 0.15309B | 0.9743 | |
Blanching | Natural gas | 3675 + 913.5A − 9.56250B − 1.8225A.B | 0.9858 | 24.09167 + 5.9885A − 0.06288B − 0.011947 A.B | 0.9858 |
Gas oil | 8741.55 + 2172.89849A − 22.74586B − 4.33509A.B | 0.9858 | 30.87 + 7.6734A − 0.080325B − 0.015309A.B | 0.9858 |
