Physical edible oil refinery plant
Chemical method in the edible oil refinery to removal of acid also called alkali refining, widely used in industry area, adding alkali in degummed oil, react with free fatty acid, then settled by soap foot form, some of the impurity adsorbed by the soap foot, soap foot is removed by centrifugal separation. Chemical deacidification, usually using caustic soda (NaOH). Neutral oil hydrolysis under the action of alkali have a large amount of oil loss, and besides, there also part neutral oil in the soap foot. Form the soap foot need sulfate acid treated, make large amount of waste water. Oil consumption according to the acid value of crude oil, higher acid value, more oil consumption. This chemical method can removal of the acid completely, and oil quality is stable.
Physical deacidification is feeding steam into the oils at high temperature to removal of acid value,unsaponifiable matter, and odor matters, using physical refining machine, there is no soap foot compared with the chemical refining machine, so, physical refining has the characteristics of large output, reduce the environmental pollution, low oil consumption, high oil quality, and easy to operate, need less steam water and power, less investment. But the physical oil refinery is very strict to the oil pre-treatment process and oil press machine, not suitable for heat sensitive cottonseed oil, and high temperature grease produced polymer and trans fatty acids etc..
Physical edible oil refinery is adopting physical deacidification technology, Henan Doing Company have supplied various styles of physical refining machine for home and abroad, the capacity is 30TPD-1000TPD, if you have any need of the edible oil machine, welcome contact us any time.
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