Gas masks, more generically known as Respirators -- are the ones to think about after a chemical or biological attack. It is also an important part of industrial safety on a daily basis. Gas Masks protect workers against everything from flour dust in a grain elevator to the damaging organic chemicals in paint spray. Knowing that there are such personal protection gas masks on the market is a comforting feeling. However, how do gas masks work? Basically, a gas mask filter can use up to three different techniques in order to get the air pure again. These options include particle filtration, chemical absorption or adsorption and chemical reaction to neutralize a chemical. Even though there are many different steps in the actual filtration process, the most common filtration method used is by activated charcoal. Activated Charcoal is charcoal which has been treated with oxygen in order to literally “open up” millions of pores between the carbon atoms.
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