METHOD OF DRYING MEDICAL ASCORBIC ACID Russian patent published in 1999 - IPC

Abstract RU 2131567 C1

FIELD: process of drying dispersed solid materials. SUBSTANCE: drying is effected by blowing heated air through ascorbic acid. Blowing is effected in pulsating mode at a frequency of 0.5 to 0.7 Hz, relative pulse duration of 0.5 to 0.7 and flow rate of 0.4 to 0.6 m/s; temperature in layer of material is maintained between 60 and 65 C. EFFECT: obtaining dry product corresponding to requirements of State pharmacopeia. 1 dwg

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RU 2 131 567 C1

Authors

Vasilishin M.S.

Zobnin V.V.

Lobanova A.A.

Taranenko G.S.

Zolotukhin V.N.

Dates

1999-06-10—Published

1997-09-18—Filed