Technical Principles of CO₂ Extraction Equipment
A supercritical fluid is a substance maintained above its critical pressure (Pc) and critical temperature (Tc), exhibiting properties intermediate between those of a gas and a liquid. It possesses a density similar to a liquid, viscosity comparable to a gas, and a high diffusion coefficient, making it an ideal solvent.
The solvent strength of a supercritical fluid is influenced by temperature and pressure. By adjusting these parameters, specific components can be selectively extracted based on their solubility. In lower temperature ranges, temperature affects the density of the solvent and the vapor pressure of the solute. In higher temperature ranges, increased solute vapor pressure enhances the extraction rate. The addition of small amounts of polar co-solvents (e.g., methanol, isopropanol; typically ≤10%) can extend the range of extractable compounds.



Technical Features of CO₂ Extraction Equipment
Safe and Reliable
Equipped with pneumatic or electric quick-opening mechanisms and integrated safety interlock devices for high operational efficiency.
Customizable Solutions
Offers both manual valve control and CNC automated control options, with full customization available to meet specific requirements.
Premium Materials
All pressure-bearing components and fittings are constructed from SS304 or SS316 stainless steel.
Application Fields of CO₂ Extraction Equipment
Biomedicine
Extraction of active ingredients such as artemisinin, ginkgo flavonoids, alkaloids, and tanshinone.
Food industry
Purification of compounds including capsanthin, lycopene, caffeine, and DHA/EPA.
Natural Fragrances
Purification of essential oils such as rose, peppermint, sandalwood, and agarwood.
Plant Oils and Fats
Refinement of oils from sources such as grape seed, evening primrose, sea buckthorn seed, and walnut kernel.
We are a professional manufacturer of supercritical CO₂ extraction equipment. We are committed to providing advanced technology and reliable solutions. Please contact us via email with any inquiries.
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