Supercritical CO2 vs Ethanol vs Hydrocarbon Extraction

Choosing the right extraction method is crucial for **purity, efficiency, and product safety**. This article compares **supercritical CO2 extraction, ethanol extraction, and hydrocarbon extraction**, analyzing their advantages and limitations.

1. Purity and Residue Concerns

• Supercritical CO2 Extraction: Produces **solvent-free, high-purity extracts**.
• Ethanol Extraction: Leaves **trace ethanol**, requiring additional purification.
• Hydrocarbon Extraction: May leave **potentially harmful solvent residues**.

2. Safety and Environmental Impact

• CO2 Extraction: **Non-toxic and environmentally friendly** with **recyclable CO2**.
• Ethanol Extraction: **Safer than hydrocarbons**, but **flammable**.
• Hydrocarbon Extraction: **Flammable and hazardous**, requiring **strict safety regulations**.

3. Extraction Efficiency and Yield

• CO2 Extraction: Selectively extracts **desired compounds** with minimal waste.
• Ethanol Extraction: Efficient but may extract **undesirable components** like waxes.
• Hydrocarbon Extraction: High yield but requires **extensive post-processing**.

4. Case Study: CO2 Extraction in Cannabis and Herbal Products

A manufacturer improved **product purity and compliance** after switching to CO2 extraction, achieving **higher consumer trust**.

5. Conclusion

For **clean, high-purity extraction**, **supercritical CO2 extraction** is the best choice. Companies like **SHANGHAI NORTH BROOKS** provide **CO2 SUPERCRITICAL EXTRACTION MACHINE** solutions for **solvent-free, premium-quality extractions**.

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