Oil Refiner

Edible oil refining process includes degumming, deacidification, dehydration, decolorization, deodorization, dewaxing six steps, degumming as the first step of the refining step, plays a very important role in the entire refining equipment, there are many factors restricting the effect of degumming, explain in detail the impact of adding water on the refining equipment hydration degumming process.

The degumming process in refining refers to the removal of gelatinsoluble impurities in oil, which mainly contain phospholipid proteins, sugars, resins, and excluded liquids. The main one is phospholipid, phospholipid in the oil will make the oil color dark, cloudy, heat will coking bitter, absorb water to promote oil rancidity, affect the quality of oil. The degumming effect also has a great impact on the subsequent refining process, such as affecting the amount of adsorbent in the decolorization process, resulting in the color of oil after deodorization, and foaming when heated.

Hydration degumming process is the use of a more common degumming process, hydration degumming is to add a certain amount of hot water or electrolyte aqueous solution to the oil, the use of phospholipids and other lipids hydrophilic, so that colloidal impurities absorb water and expand and condense, so that the gum precipitation, and separated from the oil a refining method.

The amount of water added to the degumming process has a great influence on the degumming effect. The stable multi-layer liposome structure can be formed by adding appropriate amount of water to the oil. Insufficient amount of water will lead to incomplete hydration and poor flocculation of colloidal particles. Too much water, easy to form water-oil emulsification phenomenon, difficult to separate.

The amount of water added to degumming is related to the gelatine content of the grease and the operating temperature, which can be determined by the sample sample. The manufacturer will determine the production process according to the variety of the grease of the customer. After the installation and commissioning of the refining equipment, a trial run will be conducted to check whether the grease produced by the process meets the standard and whether it needs to be adjusted again. To ensure the smooth progress of subsequent production.

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