This mixture is then heated in a process called evaporation, where the hexane is vaporized and separated from the oil. After cleaning, the seeds are typically dehulled, a process that removes the tough outer shell, leaving behind the nutrient-rich kernel which contains the highest concentration of oil.
Sunflower Oil Production Line Stages: From Seed to Refined Oil
Solvent Extraction: Maximizing Efficiency To recover the remaining oil that clings to the press cake, manufacturers employ solvent extraction. This step is crucial for protecting the delicate machinery in the subsequent stages and ensuring the purity of the final product.
The result is a raw vegetable oil that must be further refined. Modern facilities often use a combination of mechanical and chemical techniques to maximize yield.
Sunflower Oil Production Line Stages: From Seed to Refined Oil
The press cake is soaked in the solvent, creating a mixture of oil and solvent. Winterization and Fractionation: Enhancing Stability Depending on the desired final product, the oil may undergo additional processing.
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