FIELD: production of citric acid of household application. SUBSTANCE: production line has successively installed: unit for preparation of nutrient medium, unit of citric acid synthesis, unit of filtration and neutralization of cultural fluid, unit of separation, purification and crystallization of citric acid, and unit of production of commercial citric acid. The latter is made in the form of extruder. EFFECT: accelerated process of crystallization of citric acid in the form suitable for users. 1 dwg
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