STUDY OF PURIFICATION PROCESS OF VEGETABLE OIL BY PINK CLAY

The phase composition of natural pink clay was studied and influence of sorption properties on purification of mustard oil was investigated. The clay was activated by treat-ment with oxalic acid and sodium carbonate before using. The acid-base activation of natu-ral material was shown to promote the creation of the new centers on its surface. The new materials demonstrated a positive effect on the oil purification process from fatty acids, per-oxide compounds and no effect on the concentrations of carotenoids.

Key words: pink clay, activation, oxalic acid, sodium carbonate, mustard oil

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2016, Т. 59, № 5, Стр. 59-64

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