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Holo-Scru - Drying System
Holo-Scru drying system for your treatment plant is essential to maximizing cost efficiency and reducing environmental impact. The dryer system eliminates pathogens and reduces moisture content to 90% and volume to typically 20% or less during biosolids drying. The Holo-Scru is a simple, easy to maintain dryer system with a small footprint. The fully automated system ensures exceptional product quality and safety.
System effectively drying digested, undigested primary, waste activated sludge and mixes of these sludges (as is common for regional facilities). The design of the Holo-Scru includes features to continuously remove buildup from the heat transfer surfaces. The system also eliminates any large clumps from building and passing through the system via a series of cutters that break up and homogenize the particle size at each stage of the rotor.
The heat energy for drying is indirect, created by thermal fluid circulated through the rotor, flitting and the outer jacket of the drying chamber in a closed loop. The drying process operates under a slight negative pressure in a sealed chamber.