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Application of Vacuum System in Oil Deacidification
Release time：
2021-09-15
The following focuses on the application of vacuum system in oil and fat deacidification processing, providing reference for everyone. Various unrefined crude oils contain some free fatty acids. The process of removing free fatty acids from oils is called deacidification. The deacidification methods include alkali refining, distillation, solvent extraction and esterification. Among them, alkali refining method and distillation method are the most widely used.
The following focuses on the application of vacuum system in oil and fat deacidification processing, providing reference for everyone. Various unrefined crude oils contain some free fatty acids. The process of removing free fatty acids from oils is called deacidification. The deacidification methods include alkali refining, distillation, solvent extraction and esterification. Among them, alkali refining method and distillation method are the most widely used. Distillation deacidification method is also called physical refining method, that is, the free fatty acid in crude oil is not neutralized by alkali, but a refining method for deacidification by vacuum steam distillation. Distillation deacidification method usually uses steam jet vacuum pump to realize vacuum pumping. This method requires a large amount of water vapor, so the water consumption is high, and a large amount of waste condensate will be formed, resulting in slippery production site and hot and humid working environment, which has potential safety hazards.
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