Introduction to Food Manufacturing Engineering by Tze Loon Neoh Shuji Adachi & Takeshi Furuta

Author:Tze Loon Neoh, Shuji Adachi & Takeshi Furuta
Language: eng
Format: epub
Publisher: Springer Singapore, Singapore

(2) Trap (condenser): A refrigerator with a capacity to cool below −40 °C is required in order to capture the generated vapor.

(3) Evacuation system: A vacuum pump and evacuation pipelines that are able to maintain the system pressure at about 1 Pa are necessary. A freeze-dryer consumes comparatively more energy than other types of dryers of the same capacity because of the additional energy required for freezing the drying materials and creating a vacuum environment and also because the sublimation heat is approximately 13 % greater than the evaporation heat.

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