E1 Air Filtration Mobile Unit

Test Results
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Testing Conditions

Testing was done in a 1,300 sq. ft. steel and insulated commercial bay room with a large high-bay roll up door. An industrial spray booth occupied the room, making the total interior volume approximately 24,950 cubic feet.

The roll up door was left open to allow the interior air space to normalize with the exterior ambient conditions before closing the room for testig. A mobile E1 unit was sanitized inside and out with rubbing alcohol before beginning the test. The unit was allowed to run on its highest setting for 72-hours undisturbed.

Sensors
Three Alphasense OPC-N3 particle counters were deployed in this test as follows:

  • Sensor #1 – Mounted on top of Element Grow E1 unit, supply (clean) air discharge.
  • Sensor #2 – Placed on the ground right under the Element Grow E1 Unit intake (dirty air in).
  • Sensor #3 – Placed approximately 32 feet away from E1 unit along a side wall in the open room.

Sensor #1 and #2 were used to measure the effectiveness of dirty air entering the E1 unit and the filter capture rate. Sensor #3 was used to monitor the effectiveness of the E1 unit particle removal capability in a closed room environment.

Mobile E1 Unit

Results
The data supports the claim that the E1is extremely effective in removing nearly all active room airborne 0.3 to 10 micron particle contaminants. Within 30 minutes, the Element Grow E1Air Filtration Unit can effectively remove up to 98% of all airborne room contaminants and up to 99% in less than 4 hours.

With the E1 unit operating at maximum airflow with clean filters, the effective room air exchange rate (i.e. how many times the entire volume of air will run though the unit) was six air changes per hour.

Particle Mass Concentration Graph

The proposed application of the unit was specifically tailored for controlling airborne contaminants in indoor greenhouses, food production or processing facilities where it can be washed down and sterilized. However, the data supports other potential market applications such as smaller scale pharmaceutical or biotech product manufacturing, medical device packaging or other lab-based clean spaces.

Additional Testing
Further testing to verify the claim of single pass unit efficiency will need to be done due to sensor #1 placement on the E1 unit clean air discharge grate. It was too close to the discharge air that was leaving the unit at high velocity, which created a central low pressure region around unit.

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