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Negative pressure evaporation

Negative pressure evaporation process The liquid from the extractor is the miscella containing grease and oil, which can be separated out according their differ

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Negative pressure evaporation process The liquid from the extractor is the miscella containing grease and oil, which can be separated out according their different vaporization temperatures.

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Our company mainly uses vacuum evaporation technology, and it can reduce solvent leakage and consumption.

The separated solvent vapour is cooled and recycled back to the extractor for reuse, which can improve the solvent efficiency.

1.Vacuum evaporation features high efficiency, thorough de-solvation and low solvent consumption in crude oil.

2.Use the second steam of desolventizer toaster and remaining steam from steam jet pump as the heat source of the first steam, which can save energy, reduce the condenser configuration area and save investment.

3.Due to the low temperature of the steam, the crude oil features light color, good quality and low residual solvent.


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