In current edible oil refining, deodorization is also the process in which free (nonesterifed) fatty acids (in the case of physical refining) and volatile contaminants are stripped and unwanted color pigments are degraded (heat bleaching).
What is conventional deodorization for refining vegetable oil?
Conventional deodorization for refining vegetable oil involves evaporating volatile molecules by applying high temperatures (240¨C260 °C) for 2¨C3 h. It inevitably leads to a degradation of the refined oil quality. The chief volatile compounds from the conventional deodorization process were hydrocarbons, which are not the odor source of the oil.
What is deodorization in marine oil refining?
Deodorization is usually the last stage of the marine oil refining process. The main purpose is to remove volatile compounds, such as secondary oxidation products, responsible for undesirable off-flavors. These may originate from the crude oil or formed via primary oxidation products during processing.
Which deodorizer machine is used in oil refinery factory?
Thus, continuous edible oil deodorizing tower is the commonly used deodorizer machine in oil refinery factory. The continuous deodorizing tower is the best choice especially for large-scale oil refinery factory with advantages of compact structure, high steam utilization, and easy maintenance.
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