CO2 Extraction for Weed Concentrates: A Supercritical Approach

Introduction

Weed concentrates, including shatter, wax, live resin, and sauce, are highly potent cannabis extracts used for dabbing, vaping, and edibles. The quality of these concentrates depends on the extraction method, which influences purity, potency, and terpene retention.

Traditional extraction methods, such as butane hash oil (BHO), ethanol, and rosin press, often result in solvent residues, terpene loss, or inconsistent cannabinoid ratios.

CO2 supercritical extraction (CO2 SUPERCRITICAL EXTRACTION MACHINE) is a solvent-free, high-purity, and highly selective method for producing weed concentrates while preserving natural terpenes and optimizing cannabinoid extraction.

This article explores the CO2 extraction process for weed concentrates, key parameters, experimental data, and industrial applications.

1. Principles of CO2 Supercritical Extraction for Weed Concentrates

CO2 becomes a supercritical fluid at 31.1°C and 7.38 MPa, allowing it to act as both a gas and a liquid, efficiently dissolving THC, CBD, terpenes, and flavonoids while leaving behind plant waxes and chlorophyll.

The CO2 supercritical extraction process for weed concentrates consists of:...

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