Ceramic desiccant Atlas Copco for compressed air dryers

Posted 22 April 2021
Atlas Copco essiccatore ceramico solido Cerades

Atlas Copco presents Cerades, a patented solid ceramic desiccant for compressed air dryers which offers operators of compressed air significantly better air quality, lowering pressure drops by up to 70%, with improved energy efficiency, lower service costs, and improved environmental benefits.

The technological advancement represented by Cerades is the result of Atlas Copco’s extensive research and development aimed at radically improving desiccant dryer design, efficiency and performance. The ceramic desiccant is vibration resistant, thus enabling trouble-free installation and continuous operation in rigorous applications such as ones commonly found in the transportation industry.

The product is designed to deliver significant savings by streamlining the flow of the compressed air through a desiccant dryer. Compressed air flows directly through Cerades’ straight-structured tubes, as opposed to pushing its way through the thousands of separate beads found in loose desiccants. This no-resistance flow means the air experiences a smaller pressure drop as it travels through the dryer, significantly lowering the energy cost of operation.

The structural integrity and long lifetime of the ceramic desiccant offer a number of operational and environmental benefits to customers. Traditional desiccant decays over time as it bounces around during cycling. This can compromise air quality and necessitate more frequent maintenance. In addition, as loose desiccant decomposes, it releases a fine dust into the air system, which requires extra filtration and maintenance. The solid desiccant eliminates this dust problem, as well as time-consuming and environmental hazard represented by changing of a traditional loose desiccant, giving users an ISO 8573-1:2010 Class 2 air purity for particles without any extra filtration.

Cerades desiccant lasts on average a minimum of two years longer than traditional products, and under normal operating conditions it is only necessary to change the desiccant every seven years.

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