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Treatment and Storage

Compressed air treatment is essential to protect equipment and ensure final product quality.

Air Treatment

Dryers

Remove moisture from compressed air to prevent corrosion and contamination.

Types of dryers:

  • Refrigerated dryers - Dew point of 3-10°C (37-50°F)
  • Desiccant dryers - Dew point down to -70°C (-94°F)
  • Membrane dryers - For point-of-use applications

Filters

Remove particles, oil, and contaminants from the air.

Filtration levels:

  • Particulate filters (1-5 microns)
  • Coalescing filters (0.01 microns)
  • Activated carbon filters (oil vapors)

Condensate Separators

Separate water and oil from compressed air.

Storage

Receiver Tanks

Store compressed air to stabilize pressure and absorb demand peaks.

Main functions:

  • Pressure stabilization
  • Energy storage
  • Additional air cooling
  • Condensate separation

Sizing

Tank size depends on:

  • Compressor capacity
  • Demand variability
  • Control strategy

Distribution System

Piping

Proper piping design minimizes pressure drops and leaks.

Considerations:

  • Material (aluminum, steel, plastic)
  • Adequate diameter
  • Ring vs. branched design
  • Drainage points