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Edible oil is an edible oil made from the byproduct of seed processing, edible. It is rich in a variety of nutrients such as vitamin E and unsaturated fatty acids, which have many benefits for human health. There are two extraction methods of edible oil: edible oil pressing method and edible oil solvent extraction method. These extraction methods of edible oil aim to extract the oil from edible, but their cost and oil yield are different.
Small-scale edible oil pressing method
The edible oil pressing method is a physical squeezing method suitable for small-scale production. Before extracting edible oil, the raw material needs to be pre-treated to ensure optimal moisture and temperature, which can increase the oil yield. Pretreatment includes cleaning, drying, and other steps to effectively remove impurities and moisture from the raw material, thereby increasing the oil extraction rate. In small-scale production, a edible oil press machine can be used for physical squeezing to obtain the oil. The edible oil press machine is a simple mechanical device that can squeeze the oil from the raw material. The use of this machine does not require too much technical knowledge, only following the instructions. In addition, the maintenance of the edible oil press machine is straightforward, requiring only regular cleaning and maintenance. Therefore, the edible oil press machine is a very suitable device for small-scale production, which can convert edible into useful edible oil and increase income.
Edible oil press machine photo
Large-scale edible oil solvent extraction method
Large-scale edible oil solvent extraction method is another method for extracting edible oil, which is recommended for obtaining oil. The edible oil solvent extraction method is a chemical method that uses a chemical solvent to extract oil from the raw material. Compared with the edible oil pressing method, the edible oil solvent extraction method has a higher oil yield but also higher cost. In addition, the edible oil solvent extraction method requires the use of chemical solvents, which have some impact on the environment, so environmental protection issues need to be considered. Therefore, when using the edible oil solvent extraction method, it is necessary to choose environmentally friendly and safe chemical solvents, strictly control the amount used and emissions, and reduce the impact on the environment.
Edible oil solvent extraction machine photo
The process of edible oil solvent extraction method includes solvent extraction, mixed oil steam distillation, wet meal decolonizing, and solvent condensation and recovery. In the edible oil solvent extraction method section, a chemical solvent is used to remove oil from the raw material. In the mixed oil steam distillation section, the solvent is removed from the mixture by controlling the temperature and pressure. In the wet meal decolonizing section, the solvent is extracted from the filter cake. In the solvent condensation recovery section, the gaseous solvent is condensed into liquid for recovery. The entire technological process needs to strictly control the parameters of each link to ensure that the extracted oil is of high quality and meets edible standards. Although the cost of edible oil solvent extraction method is higher, it is suitable for large-scale production. (Recommend reading: Rice bran solvent extraction plant)
The refining process method of edible oil
Regardless of whether it is the edible oil pressing method or the edible oil solvent extraction method, the obtained crude oil needs to be refined before use. Refining is the process of removing impurities and undesirable components from crude oil to make it meet edible standards. The refining method includes deacidification, deodorization, decolorization, and other steps. After refining, edible oil is purer, has a milder taste, and is more suitable for people’s tastes.
Edible oil refining machine photo
The above is an introduction to two extraction methods of edible oil. If you want to learn more about edible oil extraction methods or how to choose equipment for extracting edible oil, please contact us. As a professional manufacturer of edible oil extraction equipment, Henan Glory company will provide customized services according to your requirements.
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