Heatless Adsorption Dryers
The simplest and most common method used to regenerate the adsorbent desiccant material is the ‘heatless’ method (so called as it does not use heat for desiccant regeneration).
Using a proportion of the clean, dry process air for regeneration, heatless dryers typically have the lowest capital costs of all adsorption dryer types (due to the simplicity of the heatless design).
Being very robust and having fewer components, they typically have the lowest maintenance cost of all the adsorption technologies.
Heatless dryers are available to suit all compressed air flow rates from small to large, whereas the more complicated regeneration methods are often only available for higher flow rates due to cost and complexity of the designs.
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