Products of other enterprises
Description
We have various blends developed to suit tastes across various countries. We have pure robusta, pure arabica and robusta arabica mixes to ensure taste of Coffee on one hand
We have developed various coffee chicory mixes that afford an unbeatable price to many mix manufacturers across the world.
Spray Drying
This method of drying is preferred to freeze drying in some cases because of its cost effectiveness, short drying time, usefulness when dealing with such a heat sensitive product, and the fine, rounded particles it produces.
Spray drying produces spherical particles of size roughly equal to 300 µm with a density of 0.22 g/cm³ (ref 2). To achieve this, nozzle atomisation is used. Various ways of nozzle atomization can be used each having its own advantages and disadvantages. High speed rotating wheels operating at speeds of about 20,000 rpm are able to process up to 60,000 pounds (27 t) of solution per hour (ref 3). The use of spray wheels requires that the drying towers have a wide radius to avoid the atomised droplets collecting onto the drying chamber walls.
Typical Spray Drying Characteristics
- Completed in 5-30 seconds (dependent on factors such as heat, size of particle, and diameter of chamber).
- Moisture content change, IN = 75-85 OUT = 3-3.5.
- Air Temperatures, IN = 270 °C OUT = 110 °C.
| SPECIFICATIONS - PURE SPRAY DRIED INSTANT COFFEE | |
| MOISTURE CONTENT | 3.5% MAXIMUM |
| TOTAL ASH (% ON DRY BASIS) | 12.0% MAXIMUM |
| CAFFEINE CONTENT (% ON DRY BASIS) |
2.80% MINIMUM |
| SOLUBILITY IN BOILING WATER | DISSOLVES READILY IN 30 SECONDS WITH MODERATE STIRRING |
| SOLUBILITY IN COLD WATERAT 16 +/- 2 C. |
SOLUBLE WITH MODERATE STIRRING IN 3 MINUTES |
| COLOUR FACTOR | 68-78 |
| BULK DENSITY (GM/CC) | 0.216 - 0.264 |
| SEDIMENTS | Y |
| FLUIDITY | 38-42 |
| PH | 4.7 - 5.2 |
| SIEVE ANALYSIS | FINES (BELOW 100MESH) SHOULD NOT BE MORE THAN 22% |
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Spray Drying
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