Microwave Vacuum Technology

It is used for efficient processing, heating, drying or material transformation.

High efficiency, process reliability and complete customization.

Yes, Kerone offers fully customized engineering solutions.

Food, chemical, pharma, biomass, rubber, textile and more.

Kerone ensures high product quality through strict engineering standards, advanced testing procedures, and precision-controlled manufacturing systems.

Liquids, slurries, granules, powders, and shaped solid products can be processed depending on the specific system configuration and product handling design.

Yes, Kerone's continuous microwave vacuum systems use specialized vacuum lock mechanisms to allow product flow without breaking the vacuum environment.

Yes, microwave vacuum technology can be applied to solvent removal and distillation processes, with appropriate explosion-proof design and solvent recovery systems.

Water boils at a lower temperature when surrounding pressure drops, which is the core physics behind microwave vacuum drying. Inside a sealed vacuum chamber, Kerone's systems reduce pressure so moisture evaporates at temperatures well below 100°C, even as microwave energy heats the product volumetrically from within. This combination lets moisture leave the material rapidly without the surface-hardening or case-hardening seen in conventional hot-air drying. Because both mechanisms work together, total cycle time drops sharply compared to atmospheric drying methods, while the lower processing temperature protects heat-sensitive compounds, colour, and texture. For procurement teams evaluating energy-efficient industrial drying equipment, this dual mechanism is the main reason vacuum-assisted microwave systems outperform single-mode dryers on both speed and product quality.

Yes, but the system requires specific engineering, not a standard chamber. When processing materials containing solvents or flammable vapours, Kerone designs the vacuum chamber with explosion-proof construction, inert gas purging, and integrated solvent recovery and condensation systems so vapours are captured rather than vented. Power levels and vacuum staging are also tuned to prevent rapid boiling that could create pressure spikes. This makes the technology suitable for solvent removal, distillation, and recovery processes common in chemical and pharmaceutical intermediate manufacturing, applications a basic industrial drying setup cannot safely handle. Buyers working with flammable or hazardous process streams should specify this requirement at the enquiry stage, since the chamber design, electrical classification, and safety interlocks differ meaningfully from a standard food or ceramic drying configuration.

Batch systems load, process, and unload a fixed quantity per cycle, which suits lower volumes, frequent product changeovers, or pharmaceutical runs needing strict batch traceability. Continuous systems use vacuum lock mechanisms, typically rotary or gate-style airlocks, that let material flow in and out without breaking the chamber's vacuum seal, enabling uninterrupted processing. For high-volume manufacturing such as ready-to-eat food production or bulk chemical powders, continuous configurations deliver significantly higher throughput per square metre of floor space and lower labour cost per unit processed. The trade-off is capital cost and changeover flexibility: batch systems are cheaper to acquire and easier to reconfigure for varied products, while continuous lines justify their cost only once volume is consistent and predictable.

Standard freeze-drying sublimates ice directly to vapour at sub-zero shelf temperatures, which preserves structure extremely well but is slow and energy-intensive. Microwave vacuum drying instead operates above freezing, using reduced pressure to lower the boiling point while microwave energy heats moisture directly within the material. This produces faster cycles and lower energy consumption per kilogram of water removed, though it is generally better suited to products that can tolerate mild warming rather than ultra-heat-sensitive biologics. Many buyers comparing the two technologies find microwave vacuum drying the more practical choice for fruits, vegetables, herbs, and pharmaceutical powders, while true freeze-drying remains preferred for biologics and certain high-value nutraceuticals where sub-zero processing is non-negotiable for stability.

Recurring costs centre on electricity for the magnetrons and vacuum pumps, scheduled maintenance of seals and vacuum pump oil, and periodic magnetron replacement, since these components have a finite operating life measured in thousands of hours. Because microwave energy heats the product directly rather than the surrounding air, overall energy consumption per kilogram of moisture removed is typically lower than convection drying, which offsets some of these costs over the equipment's working life. Buyers should also factor in operator training and spare parts inventory, particularly for vacuum pump seals and gaskets that wear with cycle frequency. Kerone provides documented maintenance schedules and spare parts support so procurement teams can model total cost of ownership accurately rather than relying on equipment price alone.