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Concept

A multitude of drier technologies is applied in the bioprocess industries to achieve the required final product quality. Methods differ in

  • The way the drying good is transported through the drier (by gravity, pneumatic or mechanical),
  • The heat transfer (contact with hot surface, hot air, superheated steam), as well as
  • The primary energy source (steam, gas)

In common use are spray and fluidized bed driers, ring and rotary drum driers as well as tube bundle driers.

Applications

We determine the drying requirements depending on the product and integrate the suitable drier technology in line with available energy sources. Particular attention has the reuse and recycling of heat within the overall plant so to reduce the primary energy demand, for instance by using the thermal discharge from drying to run an evaporation.

„The addition of ethanol will allow our Cedar Rapids plant to increase production and improve asset utilization, while providing us with new flexibility to maximize returns from multiple market opportunities."
Tom Malkoski, Penford Products, Bioethanol Plant, Cedar Rapids, Iowa, United States