Distillation deacidification method called physical refining conduct steam distillation under high temperature and high vacuum,make the free fatty acids and low molecular substances discharged together with steam,utilize that the relative volatility of edible oil (triglycerides) and free fatty acids is different.
The advantages and scope of physical refining
1.No lye, less neutral oil loss
2.Less auxiliary material consumption, reducing the pollution of waste water to the environment
3.Simple process,few equipment,higher refining ratio, at the same time, it can achieve deodorization.
4.Better flavor of Refined oil
5.This method is suitable for high acid oil, especially low colloid oil refining, including coconut oil, palm oil, animal fat etc.