Supercritical CO₂ for Hemp and CBD

A clean extraction process for high-quality hemp and CBD products

Supercritical CO₂ extraction has become one of the most advanced and sustainable methods for isolating cannabinoids and terpenes from hemp. Unlike traditional solvent-based techniques, it uses carbon dioxide at high pressure and moderate temperature to selectively extract active compounds without compromising their integrity or safety.

This method is particularly well suited to the production of full-spectrum CBD extracts as well as purified isolates used in the nutraceutical, cosmetics and pharmaceutical industries.

Why Choose Supercritical CO₂ for Hemp Extraction?

Hemp contains a wide range of bioactive compounds, including cannabinoids such as CBD (cannabidiol), a non-psychoactive molecule whose therapeutic potential is increasingly recognized. Supercritical CO₂ technology enables precise and reproducible extraction of these compounds, ensuring both purity and consistency.

• Solvent-free extraction: CO₂ leaves no toxic residues because it naturally evaporates during the process.
• Gentle processing conditions: extraction takes place at low temperature, helping to preserve volatile compounds such as terpenes and allowing the benefits of the “full-spectrum” effect to be fully utilized.
• Adjustable parameters: by adjusting pressure and temperature, it is possible to control yield, color, viscosity and the cannabinoid profile of the final extract.
• Preservation of plant integrity: the absence of harsh chemicals and high temperatures allows delicate molecules to be extracted without degradation.

Terpene Retention and Cold Trap Technology

With advanced CO₂ systems, aromatic terpenes can also be isolated from fresh hemp flowers before cannabinoid extraction. These compounds not only enhance flavor and aroma, but may also contribute to the entourage effect by improving the overall bioactivity of CBD products.

Using cold trap modules, terpenes can be collected during a separate stage, providing maximum flexibility and a high degree of product customization.

From Crude Extracts to Pure CBD Isolates

Whether your goal is to produce a full-spectrum hemp oil or isolate CBD at a purity above 99%, supercritical CO₂ extraction provides a clean and scalable solution. The process generally begins with a crude extract, which can then be refined through winterization, filtration and CO₂ purification steps.

Efficiency, Safety and Sustainability

• Fast processing: a typical extraction cycle takes approximately 30 minutes, depending on biomass quality and the target concentration.
• Environmentally responsible: CO₂ is non-toxic, recyclable and inert. It eliminates the need for hazardous solvents and reduces environmental impact.
• Safe operation: unlike volatile organic solvents, CO₂ is non-flammable and does not present an explosion risk, improving safety for operators and facilities.
• Scalable systems: from laboratory units to industrial platforms, supercritical CO₂ equipment can be adapted to different production levels, with modular designs allowing future scale-up.

Unlock the Full Potential of Hemp

At TENNAD, we offer advanced supercritical CO₂ systems designed for precision, efficiency and compliance. Whether you are developing therapeutic products or clean-label cosmetics, our Easy One and Easy Lab extraction technologies help you deliver premium quality while anticipating regulatory requirements and consumer expectations.