FIELD: drying of liquid-viscous materials containing substances with high thermal stability in solutions, emulsions, suspensions in pharmaceutical, microbiological, food-processing industries. SUBSTANCE: method involves continuous feeding of material to be dried vacuumized shaft dryer at temperature exceeding water boiling temperature in accordance with value of residual pressure in microwave dryer, with frequency value being within the range of 0.8-10 GHz, whose flux of energy in dryer coincides in direction with course of movement of material subjected to drying process. EFFECT: increased efficiency and high quality of material. 1 dwg
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