The process of chemical refinery for sunflower crude oil
The process of refinery for sunflower crude oil has chemical and physical two kinds. Today, I mainly introduce the process of chemical refinery for sunflower crude oil.
The process of chemical refinery for sunflower crude oil refers to using neutralization method to remove the free fatty acid, so as to decrease the acid value of the sunflower crude oil. The complete process of chemical refinery for sunflower crude oil contains degumming, deacidification , decolorization/bleaching and deodorization process. In addition, some customers also add dewaxing process to decrease the wax content of sunflower crude oil.
The process flow chart of chemical refinery for sunflower crude oil
The first process is degumming process. The purpose of degumming sunflower crude oil is to remove gums content in the crude oil. Amost all kinds of oil contains hydratable and non-hydratable gums, so the degumming process is a necessary step. The degumming method has hydration degumming method and dry degumming method. Generally, in chemical refinery for sunflower crude oil, hydration degumming method is used.
Then, deacidification process is the second process, also called neutralization process. The purpose of neutralizing sunflower crude oil is to remove free fatty acid (FFA). Traditionally, FFA is reacted with caustic soda (NaOH) to produce nigre, which can be separated from the oil to make soap. Because trace amounts of nigre remains in the oil, the oil need to be washed with water or treated with Silica.
1-2tpd batch type chemical refinery for sunflower crude oil
Next, the oil will be sent to decolorization equipment to remove pigments from the sunflower crude oil. Through absorbing by white clay, the color of sunflower oil will become bright and light.
Finally, we will send oil into deodorization tank, through distillation to remove bad odors in the oil. After deodorization process, the sunflower oil will not produce any bad smells when cooking.
If you have sunflower oil dewaxing plant, the deodorized sunflower oil will be heated and then cooled, crystallized, filtered, to remove the wax from sunflower oil. Dewaxing can improve the and taste and flavor of sunflower oil.
The machines used in sunflower oil dewaxing process
Above are the main process of chemical refinery for sunflower crude oil. Henan Doing Mechanical Equipment Co.,ltd can provide you three types of sunflower oil refinery plant with different input capacity: batch type, semi-continuous type, full-continuous type. Besides, We can recommend suitable type of sunflower oil refinery plant according to customer' specific requirement. Welcome to contact us!
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