Supercritical CO2 Extraction of Cannabis: A High-Purity Approach

Introduction

Cannabis extraction is a crucial step in producing high-quality cannabinoids, terpenes, and flavonoids for medical, recreational, and pharmaceutical applications. Traditional extraction methods such as solvent extraction (ethanol, butane) and steam distillation often result in solvent residues, terpene loss, and inconsistent cannabinoid profiles.

CO2 supercritical extraction (CO2 SUPERCRITICAL EXTRACTION MACHINE) offers a high-purity, solvent-free, and highly selective method for extracting cannabinoids like CBD, THC, CBG, and terpenes while maintaining the full spectrum of beneficial compounds.

This article explores the CO2 extraction process, key parameters, experimental data, and industrial applications of cannabis extraction.

1. Principles of Supercritical CO2 Extraction for Cannabis

CO2 becomes a supercritical fluid at 31.1°C and 7.38 MPa, allowing it to act as both a gas and a liquid. This enables CO2 to penetrate plant material and dissolve cannabinoids and terpenes while leaving behind unwanted waxes and chlorophyll.

The CO2 supercritical cannabis extraction process consists of:...

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