Agriculture Reference
In-Depth Information
other hand, a further rise in power of microwave drying leads to a rise of equilibrium
moisture content.
Table 4. Regression equation coefficients for microwave dried sugar beet pulp
Response
UT 1/k
1
(
1/min)
UT 1/k
2
(g/g)
CT 1/k
1
(
1/min)
CT 1/k
2
(g/g)
Effects
Intercept
b
0
-1.9102
-0.8124
5.8327
7.3696
0.3425
0.3429
8.5349
2.0278
Linear
b
1
0.0063
0.3913
-0.0220
-4.0628
-0.0042
-0.6172
-0.0353
-1.2262
b
2
0.1108
1.6329
0.0330
1.4431
0.0314
1.0880
0.1734
1.4275
Quadratic
b
11
0.00001
-0.2185
0.00004
4.1772
0.00001
0.7653
0.0001
1.1229
b
22
-0.0014
-1.8786
-0.0001
-0.4242
-0.0003
-0.8036
-0.0012
-0.8929
Interaction
b
12
0.0001
1.0095
0.00004
-1.0687
0.0000
0.3518
0.00002
0.0899
Figure 5. Effects of rehydration temperature and microwave drying power on rehydration initial rate of
untreated sugar beet pulp.
