Method of and apparatus for freeze-drying previously frozen prod

Details Method of and apparatus for freeze-drying previously frozen prod Method of and apparatus for freeze-drying previously frozen prod

1977-12-30

1979-11-27

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

F26B 506

Patent

active

041753348

ABSTRACT:
A method for freeze drying a previously frozen product by placing the product in a fluidized bed of a finely divided solid purticulate water vapor adsorbent and adjusting the partial pressure of water vapor to a level at which frozen water in the product will sublime.

REFERENCES:
patent: 3239942 (1966-03-01), Mink et al.
patent: 3253344 (1966-05-01), Gelder
patent: 3313032 (1967-04-01), Malecki
patent: 3319344 (1967-05-01), Sachsel et al.
patent: 3453741 (1969-07-01), King et al.

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