CO2 vs Solvent vs Steam Distillation Extraction
来源: | 作者:selina | 发布时间 :2025-03-03 | 59 次浏览: | Share:

CO2 vs Solvent vs Steam Distillation Extraction

Choosing the right extraction method is crucial for industries such as **food, cosmetics, and pharmaceuticals**. This article compares **supercritical CO2 extraction, solvent extraction, and steam distillation**, analyzing **purity, efficiency, and industry applications**.

1. Purity and Chemical-Free Processing

  • Supercritical CO2 Extraction: Produces **solvent-free, high-purity extracts**, ideal for **organic and clean-label products**.
  • Solvent Extraction: Requires **chemical solvents**, leaving **potential residues**.
  • Steam Distillation: Uses **only water**, but heat exposure may alter **volatile compounds**.

2. Efficiency and Yield

  • CO2 Extraction: **Precise targeting of bioactive compounds**, reducing waste.
  • Solvent Extraction: High yield but requires **further purification**.
  • Steam Distillation: **Lower yields** due to heat degradation of compounds.

3. Industry Applications

  • CO2 Extraction: Preferred for **pharmaceuticals, essential oils, and high-value botanical extracts**.
  • Solvent Extraction: Common in **industrial-scale chemical processing**.
  • Steam Distillation: Used for **bulk essential oil production**, but **less efficient** for premium products.

4. Case Study: CO2 Extraction in High-Purity Essential Oils

A natural cosmetics company improved **product quality by 40%** after switching from solvent to CO2 extraction.

5. Conclusion

For **high-purity and efficient extractions**, **supercritical CO2 extraction** is the superior method. Companies like **SHANGHAI NORTH BROOKS** provide **CO2 SUPERCRITICAL EXTRACTION MACHINE** solutions for **premium extraction processes**.

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