Closed Loop Ethanol Extraction System With Stainless Steel 304/316 Explosion Proof Design

The closed loop ethanol extraction system is designed for efficient, scalable, and safe extraction of plant-based compounds such as CBD, cannabinoids, terpenes, and essential oils. Using food-grade ethanol as the primary solvent, the system operates in a fully sealed environment to ensure maximum solvent control and minimal loss. Compared with open-loop or semi-manual extraction methods, this system provides higher efficiency, better safety, and significantly improved consistency in final product quality.

This equipment is widely used in CBD production facilities, pharmaceutical extraction plants, and nutraceutical manufacturing industries. It is engineered for continuous industrial operation, allowing manufacturers to scale production while maintaining strict control over quality and compliance requirements in European and North American markets.

Traditional ethanol extraction methods often suffer from solvent loss, inconsistent batch quality, and high operational risks. Open systems expose ethanol to the environment, increasing evaporation and safety hazards. In addition, manual processes result in unstable extraction conditions, making it difficult to achieve consistent cannabinoid or terpene profiles. These inefficiencies increase production costs and reduce profitability.

The closed loop ethanol extraction system solves these problems by fully enclosing the solvent circulation process. Ethanol is continuously recycled within the system, significantly reducing waste and improving cost efficiency. The system maintains stable temperature control and optimized solvent flow, ensuring consistent extraction performance across batches.

Integrated filtration and separation units remove unwanted plant material, while advanced recovery systems reclaim ethanol with high efficiency. PLC automation further enhances process stability by allowing precise control over key parameters such as temperature, flow rate, and extraction time. This reduces labor dependency and ensures repeatable production results.

• Extraction Capacity: 100L / 200L / 500L / 1000L / 2000L
• System Type: Closed Loop Ethanol Extraction
• Solvent Recovery Rate: ≥95%
• Material: Stainless Steel 304 / 316L
• Control System: PLC Automation Optional
• Temperature Range: -20°C to 80°C
• Safety System: Explosion-proof Optional
• Operation Mode: Continuous Industrial Operation

This system is widely used in CBD oil extraction, plant processing, herbal medicine pplantroduction, nutraceutical manufacturing, and food-grade botanical extraction. It is especially suitable for companies targeting regulated markets such as the United States and Europe, where solvent safety and product consistency are critical.

Ethanol is introduced into the extraction vessel where it interacts with plant biomass and dissolves active compounds. The mixture is circulated under controlled conditions to maximize extraction efficiency. After extraction, the solution passes through filtration systems to remove solids. The ethanol is then separated from the extracted compounds using evaporation and condensation systems. Recovered ethanol is returned to the system, forming a continuous closed-loop cycle that maximizes efficiency and minimizes waste.

When selecting a closed loop ethanol extraction system, consider production capacity, automation level, and solvent recovery efficiency. Small-scale producers may choose 100L–200L systems, while industrial manufacturers should consider 500L–2000L systems. Fully automated systems are recommended for large-scale production to ensure consistency and reduce labor costs. If targeting premium CBD markets, prioritize systems with high recovery rates and GMP-ready materials.

Q1: What is the advantage of a closed loop system?
It reduces solvent loss and improves safety and efficiency.

Q2: Is ethanol fully reusable?
Yes, recovery rates can reach 95% or higher.

Q3: Is it suitable for CBD production?
Yes, it is widely used in CBD extraction.

Q4: Does it meet EU and US standards?
Yes, GMP and CE-ready configurations are available.