Desiccant dryers consist of two towers filled with desiccant. Wet compressed air passes directly through the substance, which adsorbs the moisture. The desiccant has a finite adsorption capacity before it must be dried out. Hence the twin tower design. While one tower is drying air, the other is being regenerated.
Atlas Copco offers two types of desiccant dryers, the BD+ range of blower (zero) purge dryers and the CD(+) series of heatless desiccant dryers.
BD+ range of blower (zero) purge dryers are using :-
- High adsorption silica gel desiccant needs less reactivation energy than other drying agents.
- Dual-layer desiccant bed with a water-resistant bottom layer protects the high-performance top layer.
- Pressure dew point of -40°C/-40°F as standard (-70°C/-100°F optional).
- Up to 30% extra desiccant to deliver consistent performance even in harsh conditions
While CD(+) series is using Cerades™: a desiccant revolution by Atlas Copco
Some innovations change everything. Take Cerades™, the first ever solid desiccant. Developed and patented by Atlas Copco, Cerades™ revolutionizes desiccant dryer design, efficiency and performance. And that makes all the difference for you as you enjoy better air quality, lower energy and service costs, and health and environmental benefits. The new CD 20+-335+ is the first dryer to feature Cerades™.
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