Consideration for the Optimum Operation of Vaccum Freeze Drying
Lee, S.J.(Dongguk University, Seoul, Republic of Korea)E-mail:Lseungju@dongguk.edu
Vaccum freeze drying is a specialized technology to provide the best qualities of dried materials due to its unique conditions at low temperature and frozen state. The factors that should be considered in the principle basis are heat and mass balance between the materials and the direr, collapse of the materials during drying, and limited boundary of chamber pressure and material temperature. It should be the collapse that finally influences the performance in terms of qualities of dried materials.
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