Particulate filters remove dust and other solid particles from compressed air. Just like membrane dryers, they also use a membrane, that allows only air to pass while blocking contaminants such as dust, pollen, and dirt.

• Why choose a particulate filter?
  Particulate filters are often placed after adsorption dryers such as desiccant dryers. They also remove internal impurities such as corrosion particles, thus helping to extend the lifespan of your compressor.
  
• Advantages of a particulate filter
  • Filters particulate impurities such as dust
  • Helps prevent clogs in air lines

In a few words, if you need to filter fumes or vapors, choose an activated carbon filter. For moisture-focused removal, a coalescing filter will be more effective.

Activated carbon filters (also called vapor removal filters) use carbon to attract and capture gaseous contaminants. Thanks to their large surface area, they are durable and efficient.
However, as the filter becomes saturated, the pressure drop increases. That’s why, you’ll need to replace the filter regularly in order to maintain performance.

• Why choose an activated carbon filter?
  They’re mainly used for: 
  • Food processing
  • Breathing air applications

• Why choose a vapor removal filter?
  • This filter removes gaseous contaminants such as odors, chemical fumes, and vapors
  • It’s one of the most common types of filters
  • It’s easy to maintain

Vapor filters are generally followed by a particulate filter, which captures carbon particles that may detach into the air.
However, if your objective is to remove moisture above all, we recommend a coalescing filter instead.

Coalescing filters remove liquid contaminants, including water, aerosols, lubricants, and oil particles. They use pressure drops and a tortuous path mechanism to coalesce tiny aerosol droplets into larger ones that are drained away.

Because of this working principle, coalescing filters also trap particulates, which are removed together with the liquid contaminants and then processed through an oil-water separator.

Like carbon filters, they require regular replacement to prevent excessive pressure drop.

Why choose a coalescing filter?
Coalescing filters are highly effective and versatile, though they may consume more energy.
They provide:

• Removal of water and oil aerosols
• High-efficiency particulate filtration