Vacuum drying method

Details Vacuum drying method Vacuum drying method

1991-09-26

1993-08-03

Manoharan, Virginia

Concentrating evaporators

Processes

Spraying

34 5, 34 15, 34 22, 34 92, 159 3, 159DIG16, 203 90, 203 91, B01D 114, B01D 118

Patent

active

052325504

ABSTRACT:
A vacuum drying method and wherein a feed liquid is sprayed into a solvent vapor before being introduced into a vacuum chamber for vacuum evaporation, whereby a powder having spherical particles is produced. Moreover, the amount of solvent remaining in the powder obtained is small.

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