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Microwave Assisted Vacuum Dryer 

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Introduction

Kerone’s Microwave Assisted Vacuum Dryer (MAVD) combines the penetrating volumetric heating power of microwave energy with the low-pressure, low-temperature benefits of vacuum processing to create one of the most effective drying solutions available to modern industry. At its core, the technology leverages the ability of microwave radiation to excite water molecules at the molecular level throughout the entire product mass simultaneously — in contrast to conventional surface-based heating methods that are inherently limited by conduction. The vacuum environment lowers the boiling point of water to well below 100°C, enabling moisture evaporation at temperatures that are entirely safe for delicate biological, chemical, and food-grade materials. Together, these two mechanisms produce a dryer that is faster, gentler, and more energy-efficient than virtually any conventional alternative, making Kerone’s MAVD a transformative asset for quality-driven manufacturing operations.

Why Choose Kerone Microwave Assisted Vacuum Dryer

Kerone’s Microwave Assisted Vacuum Dryer stands apart from generic industrial drying equipment because of the depth of process engineering expertise embedded in every system. Kerone’s team of thermal processing specialists conducts comprehensive material characterization before designing each MAVD installation, accounting for variables such as dielectric constant, thermal sensitivity, particle size distribution, and desired final moisture content. This process-first approach ensures that each system is configured with the right cavity geometry, microwave frequency, power modulation strategy, and vacuum level to deliver optimal results for your specific product. Kerone’s proprietary control software allows users to create, store, and recall multi-step drying programs — enabling consistent, validated batch outcomes that satisfy both quality and regulatory requirements. Long-term customer relationships backed by dedicated technical support teams complete the Kerone value proposition.

Types and Features of Microwave Assisted Vacuum Dryer

Kerone’s Microwave Assisted Vacuum Dryer product line encompasses batch tray-type systems for small and medium-scale operations, rotary drum configurations for free-flowing granular materials, and continuous belt designs for automated high-throughput processing. Microwave generators are available at 2.45 GHz and 915 MHz frequencies, with the 915 MHz variant offering better penetration depth for thicker product loads. Vacuum levels range from atmospheric down to 10 mbar, with precision vacuum control through PID-regulated valves. The systems are available in compact laboratory configurations as well as large-scale production units capable of processing hundreds of kilograms per hour. All wetted parts are manufactured from food and pharmaceutical grade stainless steel, with ceramic microwave entry ports ensuring both operational safety and long service intervals.

Key Features

  • Simultaneous microwave volumetric heating and vacuum moisture removal for drying speeds up to 10x faster than conventional tray drying
  • Adjustable vacuum levels from 1,013 mbar (atmospheric) down to 10 mbar enabling customized low-temperature processing
  • Choice of 2.45 GHz or 915 MHz microwave frequency to optimize energy penetration depth for different product geometries
  • Multi-step programmable drying cycles with automatic power and vacuum level transitions for complex drying profiles
  • Full stainless-steel construction with GMP-compliant smooth internal surfaces for easy cleaning and validation
  • Built-in microwave power monitoring and reflected power protection ensuring operational safety and generator longevity
  • Compact, space-efficient footprint with front-loading design for ergonomic product loading and unloading
  • Optional inline NIR or microwave resonance moisture sensors for real-time endpoint determination and quality assurance

Powered by AI, ML & IoT

Future-Ready Engineering Driven by AI & IoT

Our advanced AI, ML, and IoT technologies, this solution delivers smarter automation, real-time insights, and predictive intelligence to enhance efficiency and drive future-ready growth.

Real-Time Monitoring & Control

Continuous tracking of process parameters with instant adjustments.

Predictive Maintenance

Intelligent fault detection to prevent failures before they occur.

Adaptive Process Optimization

Dynamic tuning of operations for maximum output and efficiency.

Cloud Dashboards & Analytics

Unified access to real-time insights and performance trends.

Energy & Resource Savings

Smarter utilization of energy to cut costs and reduce waste.

Secure IoT Connectivity

Encrypted data flow with seamless integration across plant systems.

Applications of Microwave Assisted Vacuum Dryer

Kerone’s Microwave Assisted Vacuum Dryers are extensively used in industries that require rapid, gentle, and energy-efficient drying of moisture-sensitive or high-value products.
Typical applications include:
    • Herbal and botanical extract drying: preserving phytochemical potency, essential oils, and natural colors in plant-based materials
    • Food ingredient manufacturing: drying dairy powders, honey, fruit concentrates, and flavor compounds with full organoleptic retention
    • Chemical and polymer processing: drying hygroscopic specialty chemicals, resins, and polymer granules without oxidation
    • Agrochemical formulation: drying pesticide granules, water-dispersible powders, and microencapsulated active ingredients
    • Electronic component manufacturing: drying moisture-sensitive ceramic components, PCB laminates, and dielectric materials
    • Research and development: laboratory-scale process development and small-batch production of novel specialty materials
Kerone’s Microwave Assisted Vacuum Dryer delivers a compelling combination of speed, gentleness, and energy efficiency that traditional drying technologies simply cannot replicate. For manufacturers seeking to shorten production cycles, reduce energy costs, and elevate product quality in temperature-sensitive applications, this system represents a decisive competitive advantage. Kerone’s end-to-end service model — from process feasibility studies and equipment design through installation, validation, and long-term support — ensures that your MAVD investment delivers maximum value throughout its operational life. To discover how the Microwave Assisted Vacuum Dryer can transform your drying process, connect with Kerone’s application engineering team today.

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Frequently Asked Questions (FAQ)

  • Microwave energy penetrates the product and directly excites water molecules throughout the entire mass simultaneously, generating heat from within. This eliminates the surface-crust formation that impedes moisture migration in hot air drying, resulting in 5–10x faster and more uniform drying.

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