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APPARATUS AND METHOD FOR CONTINUOUS LYOPHILIZATION

  • US 20110138646A1
  • Filed: 11/19/2010
  • Published: 06/16/2011
  • Est. Priority Date: 12/11/2009
  • Status: Active Grant
First Claim
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1. A method for the continuous sublimation of a substance, the method comprising:

  • cascading a material containing a substance capable of sublimation between a plurality of trays vertically stacked within a processing zone provided within a processing chamber;

    maintaining a substantially atmospheric environment within the processing zone and at a temperature whereby the substance sublimes forming a sublimate within the environment;

    recovering the sublimate from the environment; and

    contacting the environment after recovering the sublimate therefrom with a drying agent to maintain the environment whereby the substance sublimes at substantially atmospheric pressure at the temperature.

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