Food or edible material: processes – compositions – and products – Processes – Freeze drying or freeze concentrating
Patent
1984-03-21
1985-11-05
Therkorn, Ernest G.
Food or edible material: processes, compositions, and products
Processes
Freeze drying or freeze concentrating
426314, 426651, 426652, 62541, 62545, 210774, 210784, B01D 904, A23L 1221
Patent
active
045513392
ABSTRACT:
A method and apparatus for producing a concentrated extract from an ice crystal-fluid solution by suction separation of the ice crystal solvent. A multiple compartment drum is rotatably mounted within a tank containing the solution, a filter medium covering the compartments. A vacuum source selectively creates a suction in the compartments to draw the solution through the filter medium, the ice crystals remaining on the filter medium and the fluid passing into the compartments. The ice crystals are scraped from the filter medium and the fluid is recycled for further processing.
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patent: 3289838 (1966-12-01), Garrett
patent: 3445248 (1969-05-01), Miler
patent: 3873741 (1975-03-01), Melcer
Bello Herbert L.
Therkorn Ernest G.
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