FIELD: food industry.
SUBSTANCE: method for integrated purification of molasses and its extraction from sucrose includes stages whereat molasses is diluted, reagents are added to it with further settlement of the generated non-sugar sediment; molasses is diluted with water or purified sugar juice until the content of dry substances is 20-50%; then reagents are introduced into the produced solution that are represented by a mixture of a mechanical coagulant, an acid agent, a non-anionic flocculant, a reagent accelerating the flocculation process, a decolourising reagent and a non-cationic flocculant; the solution is heated to 45-95°C and supplied into the decanter sump where it is maintained until sediment formation. Then the sediment is removed; the solution is filtered and delivered for electric dialysis purification to remove salts of alkaline and alkaline-earth metals. After such electric dialysis purification, the cleared solution is introduced into the process flow at the pre-defecation stage, saturation Stage 1, saturation Stage 2 or evaporation stage.
EFFECT: invention allows to ensure a high degree of molasses purification as well as the possibility of application at the stage of electric dialysis purification of any type anionic and cationic membranes.
3 cl, 1 tbl, 4 ex
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Authors
Dates
2015-07-20—Published
2014-06-04—Filed