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ifD Process


  • Phase
    I
  • Phase
  • Phase
  • Phase

  • Phase I

    High voltage?(6KV-8KV) is applied to?generate corona discharges and negative ions. Negative irons collide with air molecules, thereby?ionizing?the latter and releasing additional irons which collide with further molecules—? creating an electron?avalanche.

  • Phase Ⅱ

    When dispersed away from the corona discharge, negative ions are attracted by air molecules which become negatively charged and move towards the positive plate in an intense electric field.

  • Phase Ⅲ

    Small particles are attracted to and obstruct the motion of negatively charged air molecules, hence acquiring negative charge.

  • Phase Ⅳ

    Negatively charged particles are pulled to the positive plate and captured by the latter because of the powerful and polarized electrical field inside the ifD filter.

the Advantage of Multi-purification


Automated Control


Real-time monitoring and remote control through a mobile APP

Selecting settings at the touch of a button

(Optional)

Efficient Heat Recovery


Outdoor and exhaust air separated by a thermal conductive plate to avoid cross contamination,Displacement ventilation, with incoming air pre-conditioned through heat exchange for energy conservation.

Fire-retardant and mold-resistant, the plate heat exchanger, consisting of semipermeable membranes, achieves optimal heat exchange efficiency by virtue of low friction and pressure losses and a large surface area.

Air Purification System


  • Air Purification Unit

  • Return air vent

  • Exhaust vent

  • Vertical shaft for air supply

  • Removal of PM 2.5 during the first purification process

  • Fresh air inlet

  • Discharge of exhaust air

  • Floor diffuser

Core Technology


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