Multi-stage counter-current concentrating method

Details Multi-stage counter-current concentrating method Multi-stage counter-current concentrating method

1980-10-30

1982-02-23

Yudkoff, Norman

Refrigeration

Processes

Fractionally solidifying a constituent and separating the same

62544, B01D 904

Patent

active

043163688

ABSTRACT:
A system and method for concentrating aqueous beverages such as fruit juices, beer, wine, vinegar, tea, coffee, and the like in which a slurry of feed liquid and seed crystals is formed in a scraped surface heat exchanger of a first stage and supplied to a recrystallizer where larger crystals grow, the liquid in the recrystallizer being withdrawn with part recirculated to the heat exchanger of a succeeding stage. The slurry of larger crystals in the recrystallizer of the first stage is also withdrawn and the crystals separated in a wash column. The larger crystals grown in the second stage recrystallizer are supplied to the recrystallizer of the first stage where the seed crystals melt and reform on the larger crystals and the larger crystals from the third stage are similarly supplied to the recrystallizer of the second stage.

REFERENCES:
patent: 2851368 (1958-09-01), Findlay
patent: 3295988 (1967-01-01), Malick et al.
patent: 3561225 (1971-02-01), Hinton
patent: 3620034 (1971-11-01), Ganiaris

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