Method for leaching cold press peeled vegetable seed cake oil by using mixed solvent
A technology of mixed solvent and rapeseed cake, which is applied in the production of fat oil/fat and fat production, can solve the problems of increasing the difficulty of leaching oil separation treatment, low leaching efficiency, etc., so as to improve production efficiency, reduce residual oil in cakes, Energy saving effect
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[0031] Example 1
[0032] 50g of crushed cold-pressed peeled rapeseed cake was mixed with 150ml of isopropanol and cyclohexane mixed solvent (the volume ratio of isopropanol to cyclohexane is 3:1), mixed in a flask, and rotary evaporated at 62℃ After 60 minutes of leaching in the vessel, the residual oil rate in the leached meal is 0.75%, and the impurity content in the leached oil is 0.74%.
Example Embodiment
[0033] Example 2
[0034] 50g of crushed cold pressed peeled rapeseed cake was mixed with 150ml of isopropanol and cyclohexane mixed solvent (the volume ratio of isopropanol to cyclohexane is 2:1), mixed in a flask, and rotatory-evaporated at 62°C After leaching in a vessel for 60 minutes, the residual oil rate in the leached meal is 0.83%, and the leaching oil contains 0.60% of impurities.
Example Embodiment
[0035] Example 3
[0036] 50g of crushed cold pressed peeled rapeseed cake is mixed with 150ml of isopropanol and cyclohexane mixed solvent (the volume ratio of isopropanol to cyclohexane is 5:1), mixed in a flask, and rotatory-evaporated at 62℃ After 60 minutes of leaching in the vessel, the residual oil rate in the leached meal was 0.20%, and the impurity content in the leached oil was 1.58%.
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