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THE BENEFITS OF AIR HUMIDITY CONTROL USING DESICCANT DEHUMIDIFICATION
HYGROSCOPIC MATERIALS
The quality of drugs, powders, dried food, confectionery and other hygroscopic materials, can only be maintained during production, if it is kept in contact with air at a low relative humidity.
Most hygroscopic materials require dew-points so low, that this can only be achieved using desiccant dehumidifiers.
BUILDING DRYING
When removing moisture from a building, whether new or as a result of water damage, the most effective way is to use desiccant dehumidification. Heating only transfers the moisture to another part of the building, and heating in combination with outdoor ventilation, requires high energy costs. With desiccant dehumidification the moisture is efficiently removed from the building.
CORROSION
Corrosion rate of iron and steel will be dramatically reduced, if the air in contact with the surface is maintained below 50% RH – it is almost eliminated by reducing below 40% RH. Dehumidification is often more effective and less expensive, than conventional methods of preservation (eg: surface treatments). Applications benefiting from dehumidification include bridges, power stations, ships (refit or lay-up), offshore constructions, aircraft and military vehicles.
CONDENSATION & ICE FORMATION
Ice will not form on a surface if the air in contact with it has a dewpoint lower than the surface temperature. In cold stores ice formation damages product packaging, creates an unsafe working environment, and reduces the efficiency of cooling coils. By lowering the air’s dewpoint a desiccant dehumidifier will reduce or eliminate ice and frost formation.
EXCELLERATED PRODUCT DRYING / CONSISTENCY
When drying heat sensitive products, a controlled RH is essential if efficient drying times are to be maintained. In cooling processes, desiccant dehumidification can prevent condensation forming on the product.
This results in a faster, more efficient cooling process.
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