Aviation De-icing Fluid Spraying and Recovery


Aviation de-icing and anti-icing fluids, such as ethylene glycol (EG) or propylene glycol (PG), keep atmospheric ice from accumulating on an aircraft’s flying and control surfaces while in flight. De-icing on the ground is usually done by spraying the aircraft with a de-icing fluid. The de-icing fluids must be used with a containment system to capture the used liquid, preventing ground and streams contamination.

  • In the field, glycol’s freezing point can effectively and easily be monitored by measuring the fluid’s refractive index with Vaisala K-PATENTS® Compact Process Refractometer PR-43-GC.
  • Another process control area is in the recovery system. The refractometer monitors the concentration of collected fluids in order to direct pure water to drainage and diluted glycol to the sludge tank.

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Aviation De Icing Fluid Spraying and Recovery

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