FIELD: drying technology; automation of spray drying process of synthetic detergent compositions. SUBSTANCE: method consists in maintaining the preset temperature conditions by temperature of drying agent, pressure in material supply line and viscosity of the agent, control of flow rate and temperature of heat-transfer agent and flow rate of material. Drying agent is treated with water condensed from used drying agent; relationship of moisture content of dried product and its amount at the spray drier outlet are automatically maintained at constant level. EFFECT: enhanced efficiency. 1 dwg, 1 tbl
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