100TPD sunflower seed cake solvent extraction project from Huatai Group and started to ship

Huatai News 2024-05-12 15:31:09

On March 11, 2024, a Polish company ordered 100TPD sunflower seed cake solvent extraction project from Huatai Group and started to ship.

When it comes to sunflower seeds, I believe no one will feel strange, sunflower seeds are the fruit of sunflower, sunflower is a plant belonging to the sunflower genus of the Asteraceae family, sunflower can be divided into two categories according to the different uses, i.e., oil sunflower (oil sunflower) and edible sunflower (edible sunflower). The oil extracted from sunflower seeds can be pressed into high-grade edible sunflower oil with low cholesterol, which has the effect of lowering blood cholesterol, preventing atherosclerosis and cardiovascular diseases due to the presence of part of linoleic acid (omega;-6 fatty acid)

The solvent extraction method of the sunflower seed cake is mainly based on the principle of oil solvent extraction which is a method that utilizes solid-liquid extraction technology to extract oil from sunflower seed cake through the contact of a specific organic solvent with the oil in the cake. The specific steps are as follows:

1. Pretreatment: Sunflower seed cake needs to be pretreated before solvent extraction, including crushing, screening, etc., to increase its contact area with the solvent and improve extraction efficiency.

2. Solvent extraction: The pretreated sunflower seed cake is sent to the solvent extraction device and fully mixed with a specific organic solvent. Through the mutual solubility principle of solvent and oil, the oil is extracted from the sunflower seed cake to form amixed oil.

3. Desolvation and drying of wet meal: After leaching, the wet meal discharged from the leacher contains a certain amount of solvent. In order to recover these solvents and obtain better quality meal, the wet meal is heated to evaporate the solvent.

4. Evaporation and stripping of mixed oil: The solvent in the mixed oil needs to be removed through the process of evaporation and stripping. Evaporation uses heat to vaporize the solvent and reduce the solvent content in the oil. Stripping uses direct steam and indirect steam heating to further evaporate the solvent in the mixed oil.

5. Solvent vapor condensation recovery: The solvent vapor generated during the evaporation and stripping process will pass through the condensation recovery system and be condensed into liquid solvent to realize solvent recycling.

In general, the solvent extraction method has significant advantages in the extraction of fats and oils, but it also needs to pay attention to safety issues in operation. With the continuous progress of technology and process optimization, the solvent extraction method will play a greater role in the field of oil extraction, and these advantages have made the sunflower seed cake solvent extraction method in the oil  industry to be widely used and promoted.


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