Concentrating evaporators – Spray type – Gaseous current
Patent
1990-08-02
1992-03-03
Bascomb, Jr., Wilbur
Concentrating evaporators
Spray type
Gaseous current
159 161, 159 44, 159 481, 159DIG41, 34 54, 34 57A, 202234, 202236, 203 1, 203DIG22, B01D 118
Patent
active
050929593
ABSTRACT:
A spray dryer device for spray drying a sample dissolved in an organic solvent is disclosed, comprising a circulation line in which an inert gas is circulated by a blower, a heater for heating the inert gas to a specified temperature, a main drying chamber provided with a spray nozzle through which the sample dissolved in the organic solvent is sprayed into the inert gas, a collector in which the powdered sample produced in the main drying chamber is collected, and a condenser in which the gaseous organic solvent is condensed and recovered. The powdered sample is obtained in this spray dryer device for spray drying organic solvents by spraying the organic solvent through the spray nozzle into the main drying chamber in which the oxygen concentration is held to a low value by the introduction of the inert gas.
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patent: 4451330 (1984-05-01), Vitner
Konishi Tamotsu
Kumagai Naoki
Mori Hiroaki
Orii Takeshi
Suzuki Yukio
Bascomb, Jr. Wilbur
Yamato Scientific Co., Ltd.
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