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Edible oil refining is the process of converting raw vegetable oil into edible oil. Raw vegetable oils, whether obtained through pressing or solvent extraction, contain unwanted components such as free fatty acids, phospholipids, and others, which cause undesirable flavors, odors, and appearances.
How does Alfa Laval refine crude oil into edible oil?
Refining crude oil into edible oil requires deep process knowledge¡ªfrom degumming, neutralization and dewaxing through to bleaching, deodorizing and GE and 3-MCPD mitigation. Edible oil producers worldwide rely on Alfa Laval know-how to remove impurities and volatile components and optimize refining processes.
How does edible oil refining reduce production costs?
In edible oil refining, the continuous effort to reduce overall production costs is mainly achieved by increasing plant capacities, installation of mono feedstock plants, and increasing the degree of automation. Over the years, more energy-efficient processes and technologies, resulting in a higher refined oil yield, have gradually been introduced.
Which industrial technologies are used for vegetable oils’ refining?
The present review aimed at comparing the two main industrial technologies used for vegetable oils¡¯ refining, namely, chemical refining and physical refining. Chemical refining removes free fatty acids by soda neutralization.