Concentrating evaporators – Processes – Film
Patent
1976-04-12
1977-12-20
Golian, Joseph M.
Concentrating evaporators
Processes
Film
426597, 159 11A, A23F 300
Patent
active
040639940
ABSTRACT:
Dried tea flakes are prepared by vacuum drum drying a tea extract having a solids content of 40-55% which extract is applied to the drum in a film having a thickness of between 0.065 and 0.005 cm. The drum is maintained at an internal temperature of 95.degree.-125.degree. C. Water is evaporated from the film under vacuum from 3-15 torr over a period of from 10-150 seconds to result in a dried product having an apparent density of less than 12 grams per 100 cc.
REFERENCES:
patent: 3222182 (1965-12-01), Henderson et al.
Franklin James G.
Gasser Rupert J.
Golian Joseph M.
Societe d'Assistance Technique pour Produits Nestle S.A.
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