What is Sorbent Air Cleaning?

IAQP, Air Cleaning, Energy Efficiency, Adsorbent ventilation

Akshay Padwal avatar
Written by Akshay Padwal
Updated over a week ago

Adsorbent "sorbent" air cleaning is a process of cleaning indoor air which makes it eligible to offset fresh outdoor air. Unlike other typical filters which remove solid materials, sorbent air cleaners help filter the gaseous contaminants of different sizes. The indoor air cleaning helps save the energy which is spent in conditioning the outside air at different temperatures.

Sorbent air cleaning is designed to typically capture carbon dioxide, ozone, and a wide range of volatile organic compounds (VOCs) including formaldehyde. The air cleaners are placed strategically before the exhaust air is sent out so that the cleaned indoor air can be directed at the supply air terminal.

The air cleaners last typically for a couple of years. There are a couple of ways the sorbent air cleaning can continue if the filters have reached their saturation level:

  1. Replace the filters

  2. The existing filters should go through regeneration. Regeneration means causing the sorbent to release the captured molecules with the help of a large amount of heat, after which the filter surface is clean and ready to start working again.

The main advantages of sorbent air cleaning include reduced size for the HVAC systems, cost savings, and improved indoor air quality (IAQ).

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