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Rotary Vacuum Filters (RVDF)

Mathesis Engineers Rotary Vacuum Filters (RVDF) are continuous filtration systems designed for high-capacity solid-liquid separation. Continuous vacuum operation enables cake formation, washing, dewatering, and discharge in a single revolving drum cycle while maintaining steady production rates.

Rotary Vacuum Filters (RVDF)
Rotary Vacuum Filters (RVDF) Diagram

Product Details

A Rotary Vacuum Drum Filter consists of a revolving drum partially submerged in a slurry trough. Deep vacuum is applied to the drum interior through a central rotary valve. As the drum rotates through the slurry, solids form a cake on the filter cloth. As the drum emerges from the trough, the cake is sprayed with wash liquid, dewatered under vacuum, and continuously scraped off by a discharge doctor blade before re-entering the trough.
FEATURES & BENEFITS

Rotary Vacuum Filters (RVDF) Features & Benefits

FeatureBenefit
Continuous High-Capacity ProcessingUninterrupted 24/7 solid-liquid separation for large plant throughputs.
Integrated Cake Washing & DewateringContinuous wash spray bars and vacuum drying section reduce cake moisture.
Multiple Discharge OptionsScraper blade, String discharge, Roll discharge, or Precoat discharge options.
Economical OperationLow labor costs and steady continuous process control.

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Applications of Rotary Vacuum Filters (RVDF)

Pharmaceutical API & Clean ChemicalsSterile solid-liquid isolation using Agitated Nutsche Filter Dryers (ANFD), vacuum cake washing, and solvent deliquoring under cGMP.
Fine Chemicals & AgrochemicalsSeparation of pesticide precipitates, catalyst recovery, slurry dewatering, and closed-loop hazardous chemical filtration.
Petrochemical & Solvent RecoveryRemoval of particulates, continuous clarification of hydrocarbon streams, and high-efficiency solvent filtration.
Food, Beverage & NutraceuticalsClarification of herbal extracts, edible oil polishing, syrup filtration, and recovery of botanical active ingredients.
Water & Wastewater TreatmentIndustrial effluent dewatering, suspended solids removal, pre-evaporation filtration, and Zero Liquid Discharge (ZLD) solids recovery.
MATHESIS ADVANTAGE

Why Choose Us as Your Rotary Vacuum Filters (RVDF) 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 Rotary Vacuum Filters (RVDF) 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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