FIELD: fat and oil industry.
SUBSTANCE: refining method of maize oil includes the stage of sorption refining in neutralizer with mixing, oil settling and sediment separation, subsequent stages of bleaching, freezing and deodorisation. At the stage of sorption refining before neutraliser treatment of unrefined corn oil is carried out in a dynamic mixer with a Reynolds criterion of mixer 3,900–10,900 and temperature of 30–50 °C with aqueous solution of sodium metasilicate has concentration of 45–65 wt%.
EFFECT: invention allows to enhance quality of produced corn oil, namely to reduce content of phosphorus-containing substances, to increase speed of sedimentation by settling in neutralizer, and also to reduce duration of settling and mixing cycles.
1 cl, 1 tbl, 4 ex
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