Microwave Equipment: Pharma-Micro
Technical characteristics of "Pharma-Micro" system:
- Operating frequency: 2450 MHz
- Power of microwave generator: 20 - 1500 W;
- Working temperature: 20 – 150 °С;
- Operating pressure: 5 - 760 Torr;
- Chamber volume: 50 L;
- Working volume: ~ 30 L.
- Starting humidity of materials: ≤ 50 %
- Final humidity: ≥ 0.01 %
- Footprint: 1680×1050×1750 mm
- Weight: ~ 220 kg
Comparison of characteristics of microwave and thermal drying
Drying of organic materials:
| Thermal drying |
Microwave drying |
| Time, h |
T, °C |
Final humid., % |
Power cons., kW |
Time, h |
T, °C |
Final humid., % |
Power cons., kW |
| Polymethilmetacrylate, weight 4 kg, initial humidity 15% |
| 3 |
100 |
1 |
7,5 |
0,3 |
50 |
0,5 |
0,15 |
| ε - aminocapronic acid: weight 4 kg, initial humidity 4% |
| 3 |
65 |
0,19 |
15 |
0,5 |
40 |
0,19 |
0,25 |
Drying of phyto substances and berries:
| Thermal drying |
Microwave drying |
| Time, h |
T, °C |
Final humid., % |
Power cons., kW |
Time, h |
T, °C |
Final humid., % |
Power cons., kW |
| Nettle, weight 1 kg, initial humidity 80% |
| 10 |
100 |
0,8 |
50 |
0,5 |
40 |
0,5 |
0,25 |
| Rowanse weight 1 kg, initial humidity 65% |
| 14 |
120 |
1 |
70 |
1,5 |
55 |
0,5 |
0,75 |
Drying of inorganic materials
(by the example of NaI):
| Thermal drying |
Microwave drying |
| Time, h |
T, °C |
Final humid., % |
Power cons., kW |
Time, h |
T, °C |
Final humid., % |
Power cons., kW |
| Sample weight 9kg, initial humidity 0,4% |
| 12 |
140 |
10-2 |
60 |
0,52 |
60 |
< 10-3 |
1 |
Efficiency:
Time shortening: by 12 times
Power consumption decrease by 60 times
Drying of pharmaceutical substances
(by the example of cocarboxylase):
| Thermal drying |
Microwave drying |
| Time, h |
T, °C |
Final humid., % |
Power cons., kW |
Time, h |
T, °C |
Final humid., % |
Power cons., kW |
| Sample weight 2kg, initial humidity 15% |
| 72 |
55 |
0,5 |
288 |
7 |
50 |
0,5 |
3,5 |
Efficiency:
Time shortening: by 10 times
Power consumption decrease by 82 times
|
