Wiped Film Evaporator (WFE) is an advanced thermal separation system designed for continuous processing of heat-sensitive, viscous, and fouling materials. Utilizing a rotating wiper system that spreads the product into a thin, turbulent film on the heated surface, it achieves extremely high heat transfer rates and short residence times. Ideal for distillation, concentration, and purification applications, the WFE excels in handling challenging materials that cannot be processed by conventional evaporators.
Thin Film Technology: Mechanical wipers create uniform films as thin as 0.5 mm
Precision Vacuum System: Multi-stage ejection maintains stable vacuum down
Advanced Wiper Designs: Multiple blade configurations for different viscosities
Zero-Leakage Design: Magnetic drive systems and advanced sealing technology
Automated Operation (Optional): PLC control system
Short Residence Time
High Viscosity Handling
Excellent Heat Transfer
Compact Design: Vertical configuration minimizes footprint
Material Options: SS304/SS316L
CIP Capable: cleaning and sterilization systems
Scalable Design: Laboratory to production sizes available
Energy Efficient: Low energy consumption per kg evaporation
Pharmaceuticals: Antibiotic purification, vitamin concentration, solvent recovery
Fine Chemicals: Polymer processing, resin concentration, specialty chemicals
Food Industry: Essential oil refinement, natural extract concentration
Cosmetics: Silicon processing, active ingredient concentration
Petrochemical: Lubricant oil purification, wax separation
Environmental: Waste solvent recovery, hazardous material treatment
Proven Reliability: 20+ years of engineering expertise with 300+ global installations.
Quality Preservation: Maintains product color, flavor, and bioactive compounds.
Sustainability: Reduced carbon footprint and water usage through energy integration.
Cost-Effective: Low maintenance and energy costs
Full Compliance: Meets GMP standards.
Lifetime Support: Technical supporting, spare parts availability, and service teams.
The wiped film evaporator consists of a vertical cylindrical jacket heated shell with a internal rotor assembly featuring multiple wiper blades. The feed material is distributed evenly onto the heated surface, where the wipers create a thin film and promote continuous renewal of the product layer. The system operates under high vacuum to lower boiling points and minimize thermal degradation. Available in laboratory to industrial scales.
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