Oil Degumming

Oil Degumming

Oil degumming is considered to be one of the most important processes in the oil refining process, and the effective degumming operation will help to ensure the quality of the finished oil and reduce the loss. Because the presence of colloidal oil will reduce the quality of refined oil, and will make the amount of clay in the decolorization of clay increased, if there is glue before deodorization, grease will produce serious odor and affect the stability of refined oil.

Hydration is a commonly used degumming method. Usually pour about 2% water that shall be slightly higher than oil in temperature, into about 70℃ of crude oil to make the hydration of phospholipid. Phospholipid absorption, the solubility has changed, and precipitated from the oil, can be precipitated or centrifuged by the method, so that with the oil separation, using this method can remove most of the glial. In the actual production, the crude oil, which is produced by the new harvest oil or the raw material with poor storage conditions, is still retained some gum after oil degumming. The main reason is that there is a lot of non hydration phospholipids in oil. To remove this part of glioma, currently effective method is adding inorganic acid or about 11% of the oil to be treated, and make it fully mixed with oil, let nonhydratablephospholipids them into hydrated phospholipid, and then by normal degumming method can be carried out.

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