What’s the Difference Between a Rotary Dryer and a Fluid Bed Dryer?

This article was authored by:

Jenny Seim
Technical Writer

Rotary dryers and fluid bed dryers differ in several ways, each offering their own unique advantages and disadvantages as seen in the chart below. Generally speaking, the choice between a rotary dryer and fluid bed dryer is often dictated by the material or specific industry.

ROTARY DRYER

FLUID BED DRYER

Energy ConsumptionRequires less energyRequires more energy
Thermal EfficiencyLess thermally efficientMore thermally efficient
Capital CostsComparable
Spatial FootprintLarge footprintSmall footprint; modular design allows for easy operational growth
MaintenanceMore maintenance requiredLess maintenance required
Feedstock VarianceInsensitive to varianceExtremely sensitive to variance
IndustriesMinerals, fertilizers, raw materialsPharmaceuticals, specialty chemicals, food

While the selection between a rotary dryer versus a fluid bed dryer is often dependent on the material and industry, each offer pros and cons to consider. For a more in-depth comparison, read our blog post Rotary Dryer or Fluid Bed Dryer, or contact a FEECO expert today!

About the Author . . .


Jenny Seim is a technical writer and service specialist.

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