Introduction
The PJB Centrifugal Filter is a high-efficiency device that combines extraction and centrifugal separation functions, designed for CBD extraction and other solvent-based extraction processes of natural plant active ingredients. It integrates soaking extraction, solid-liquid separation, and solvent recovery into a single system, improving productivity and product purity while reducing energy consumption and space requirements.
Working Principle
Pretreated raw materials are loaded into the filter basket inside the drum, and solvents (e.g., ultra-low-temperature ethanol) are injected to fully dissolve target components like CBD.
The centrifugal function is activated, separating solids and liquids via high-speed rotation. The CBD-rich filtrate passes through the precision screen, while residues remain in the basket.
The filtrate can proceed directly to evaporation and concentration, while the residue may undergo secondary extraction or disposal.
Structure
CBD centrifugal filter is consisted of damper, engine base, driving part, drum, motor, cover and control cabinet, etc.
Advantages
Product Advantages
Integrated Design
Combines extraction and centrifugation in one step, eliminating the need for external equipment (e.g., traditional extractor fans) and saving space.
Material Safety
All solvent-contact parts are made of stainless steel (SS304/SS316), compatible with organic solvents like ethanol and propanol.
Precise Control
Adjustable speed and extraction time to accommodate different raw materials (e.g., flowers, leaves, stalks).
Energy Efficiency & Eco-Friendly
Excellent sealing (silicone rubber or Viton materials) minimizes solvent volatilization loss.
Extensibility
Optional low-temperature control system (-20°C to 50°C) improves extraction efficiency for heat-sensitive compounds.
User-Friendly
Equipped with a trolley for mobility and a quick-open balance cylinder for easy operation.
Application
Application Scenarios

Extraction of cannabidiol (CBD)
Extraction of cannabinoids (CBN/CBG)


Extraction of plant essential oils.
Research
Small-scale and pilot-scale process development for natural product active ingredients.

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