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CO2 / CO Removal Systems

CO2 / CO Scrubbers - Air Regeneration Systems for Shelters, Safe Rooms and Chambers


CO2 / CO removal systems (scrubber) are air regenerative systems that can “scrub” the air - removing harmful gases such as CO (carbon monoxide) and CO2 (carbon dioxide) and allowing longer stay time for people inside the shelters or any enclosed spaces.

This is required to prevent the high concentration of CO2 or CO that can be dangerous and even lethal in some cases.

Our solutions are compact and effective and can be used in various applications like civil defense shelters, saferooms, refuge chambers and more.

Carbon Dioxide

Carbon dioxide (CO2) is a colorless, odorless gas that is produced during human respiration. A typical person will produce between 24 to 30
litres of CO2 per hour (0.85 to 1.1ft3).
CO2 is a simple asphyxiate and causes adverse health effects at elevated concentrations. The United States Mine Health & Safety Administration
(MSHA) stipulates a permissible exposure limit of 1% and a ceiling limit of 2.5% for miners trapped in a coal mine. Similarly, the Occupational
Safety and Health Administration (OSHA) have set a permissible exposure limit of 0.5% over an 8-hour work day, with a ceiling exposure limit
of 3% for a 10 minute period. The symptoms of CO2 exposure are listed below.

Symptoms according to CO2 concentration:

0.03% - Normal concentration in air

0.5% - Lung ventilation increases by 5%

1% - Symptoms may begin to occur

2-3% - Symptoms of simple asphyxia occur
5-10% - Prolonged e
xposure could result in unconsciousness and death
>10% - Unconsciousness in less than 1 minute, leading to death

Carbon Monoxide

Carbon monoxide (CO) is an asphyxiate that is endogenously produced by humans at varying levels depending on different health factors
(i.e. smokers, obesity, hypertension, anemia, age). CO exposure exerts its main toxic effect via its ability to interfere with organs that have
a high metabolic demand for oxygen (O2).
The Occupational Safety and Health Association (OSHA) specifies that the carbon monoxide content of the atmosphere in a room, building,
vehicle, railcar or any enclosed space shall be maintained at not more than 50 parts per million (ppm) for an eight hour period.

CO2 filters and complete systems for shelters

CO2 removal systems scrubbers MineArc

Standalone CO2/CO scrubbers 

FPU 100 CO2 NBC filters -Soviet type

CO2 filters and complete systems for shelters

CO2 regenerative scrubbers in shelter installations

Installation examples of CO2 scrubbers in shelters

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