Crude rice bran oil need refining.the process as follows:
Degumming, the key
of rice bran oil physical refining is remove the colloidal substances of the
oil. Washing, degumming oil, adding alum solution, send out soapstock. Drying,
vacuum drying way, control the drying vacuum degree, oil input temperature. Drying
degumming, bleaching, filtration, deacidification, deodorization, dewaxing,
degrease.
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