The flaxseed oil extraction process (flaxseed oil project) typically involves the following main steps:
Cleaning: Flaxseeds are thoroughly cleaned to remove dirt, stones, and other impurities.
Conditioning: Cleaned flaxseeds are conditioned by heating with steam or water to soften the seed coat and enhance oil extraction.
Crushing: The conditioned flaxseeds are crushed or ground to a coarse meal to increase the surface area for oil extraction.
Pressing: The crushed flaxseed meal is pressed using mechanical or hydraulic presses to extract oil. This can be done at ambient temperature (cold pressing) or with heat (hot pressing).
Oil Filtration: The crude flaxseed oil obtained from pressing undergoes filtration to remove solids and impurities.
Degumming: The filtered oil may undergo degumming to remove phospholipids and other impurities.
Neutralization: If needed, the oil is neutralized to remove free fatty acids and other undesirable components.
Bleaching: The oil may undergo bleaching with activated clay or other adsorbents to remove pigments and improve color.
Deodorization: The oil undergoes deodorization at high temperature and vacuum to remove odors and flavors.
Packaging and Storage: The refined flaxseed oil is packaged into containers suitable for storage and distribution.
These steps provide an overview of the typical process used to extract and refine flaxseed oil. Variations in the process may occur based on factors such as production scale, technology used, and specific quality requirements for the final product.
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