Drying waste handling

Filter Cake Characteristics. Ease of handling and disposing of the waste as well as economic considerations dictate the need for a reasonably dry waste material from which most of the sodium value has been recovered. In general, both of these goals were not achieved at Scholz. 

Dry wastes consists of air filths, miscellaneous paper, rags, etc., from contaminated areas contaminated clothing, tools and equipment parts that cannot be effectively decontaminated and solid laboratory wastes. The actmty of much of this waste is low enough to permit handling by contact. These wastes are collected in containers located in appropriate areas throughout the plant. The filled containers are sealed and moved to controlled-access enclosed area for temporary storage. 

The aim of in-miU waste handling is usually to achieve as high a dry soHds content as possible, because all commonly used methods for material and energy recovery benefit from a high solids content. 

Solid sorbents offer the advantages of simpler design, and high collection efficiency and lower maintenance costs. They produce a dry waste product that is easy to handle and comparatively noncorrosive. Solid sorbents proposed for both secondary and final iodine removal systems include charcoal, zeolites, amorphorus silicic acid impregnated alumina, mordenites, and macroreticular resins (Holladay, 1979). 

The drying operation contributes to the cost and creates the need for pollution controls, particulate recovery, and handling of the particulates as a toxic waste. 

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