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| Preventive measurements for color reverse and acid reverse of refined soybean oil |
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| KeyWord:color reverse and acid reverse soybean oil adsorbent refining |
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| Abstract: |
| The refined soybean oil is pumped into product oil tank, and diverted to small oil tanks of oil filling plant, then the color reverse and acid reverse are shown in the oils during filling or waiting filling. The reasons for the color reverse and acid reverse of soybean oil were discussed，then the preventive measurements of the color reverse and acid reverse of soybean oil were obtained from aspects of refining equipments and their operation parameters adjustment, and adsorbents selection.The color of the refined oil was controlled at below Y7/R0.7 and acid value was controlled at below 0.05 mgKOH/g to achieve the enterprise internal packaging oil control standard（acid value 0.08 mgKOH/g and color Y10/R1.3）, which basically met the needs of market consumers. |
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