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Falling Film Evaporator

Mathesis Engineers Falling Film Evaporators are designed for the efficient concentration of heat-sensitive, low-viscosity liquids with minimal thermal degradation. Operating under vacuum, these systems provide excellent heat transfer, short residence times, and superior energy efficiency, making them ideal for food, dairy, pharmaceutical, chemical, and specialty process industries.

Falling Film Evaporator
Falling Film Evaporator Diagram

Product Details

A Falling Film Evaporator operates by distributing the liquid feed uniformly at the top of a vertical tube bundle. The liquid flows downward as a thin film along the inner tube walls while steam heats the shell side, causing rapid evaporation of the volatile components.

The generated vapor and concentrated liquid travel downward together and are separated efficiently in a vapor separator. The thin-film operation provides a very low hydrostatic head, allowing evaporation at lower temperatures, which minimizes product degradation and preserves product quality. These evaporators are particularly suitable for heat-sensitive products requiring continuous, energy-efficient concentration.
FEATURES & BENEFITS

Falling Film Evaporator Features & Benefits

FeatureBenefit
Superior Heat TransferThin-film flow provides high heat transfer coefficients, ensuring rapid and efficient evaporation.
Short Residence TimeRapid evaporation minimizes product exposure to heat, preserving product quality and reducing thermal degradation.
Excellent Energy EfficiencyDesigned for low steam consumption and compatible with multiple-effect and TVR systems for maximum energy savings.
Low Pressure DropOptimized tube design reduces pressure loss, improving process efficiency and lowering operating costs.
Continuous High-Capacity OperationEngineered for reliable, continuous processing of large product volumes with consistent performance.

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Applications of Falling Film Evaporator

Chemical ProcessingSolvent separation, acid recovery, and chemical purification in processing plants.
Pharmaceutical IndustryAPI manufacturing, solvent recovery, process concentration, and intermediate production.
Agrochemicals & FertilizersTechnical grade pesticides, herbicides, liquid fertilizers, and agrochemical intermediates.
Food & BeverageFruit juices, syrups, dairy products, sugar solutions, edible extracts, and food ingredients.
Wastewater TreatmentDewatering, industrial effluent concentration, solvent recovery, and Zero Liquid Discharge (ZLD) waste minimization.
MATHESIS ADVANTAGE

Why Choose Us as Your Falling Film Evaporator Manufacturers, Suppliers, and Exporters?

44+ Years of Engineering Experience

With over four decades of experience, Mathesis Engineers specializes in the design, engineering, fabrication, and commissioning of customized process equipment for diverse process industries.

Customized Engineering Solutions

Every Falling Film Evaporator is engineered based on customer process parameters, operating conditions, material requirements, and project specifications.

Complete Mechanical Design

Our engineering team develops complete mechanical designs supported by practical manufacturing expertise and chemical engineering understanding.

Quality Manufacturing & Inspection

Equipment is fabricated under controlled manufacturing practices with third-party inspection whenever specified, ensuring compliance with ASME, IS, and international standards.

Comprehensive Project Support

From process engineering and fabrication to testing and commissioning support, we deliver customized process equipment solutions designed to meet customer requirements.

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