Effective Methods for Extinguishing Ammonia Fires

In summary, effective methods for extinguishing ammonia fires include using water spray, dry chemical powder, and carbon dioxide. Water spray helps to cool down the fire and dilute the ammonia, while dry chemical powder and carbon dioxide work by smothering the fire and cutting off its oxygen supply. Another effective method is to use foam, which creates a thick blanket over the fire and prevents it from spreading. It is important to approach ammonia fires with caution and wear proper protective equipment as it can cause severe irritation to the eyes, skin, and respiratory system. Prompt action and proper training are key to successfully extinguishing ammonia fires and preventing further damage.
  • #1
PPonte
Which is the best way to put out the fire created by the leakage of ammonia?

Thank you. :biggrin:
 
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  • #2
Probably a dry compound or CO2.

Using water would produce a caustic solution. One could use a mild solution of acetic acid, such that the product would be ammonium acetate.

Refer to this page - http://pmep.cce.cornell.edu/facts-slides-self/facts/gen-posaf-chem-fire.html
 
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  • #3
Thank you! I understand that using water is not a good idea and that we could use acetic acid. But what does a dry compound (what is this?), like CO2 do to the burning ammonia? I had the idea, must be wrong, that CO2 did not react with ammonia.
 

1. What are the most effective methods for extinguishing ammonia fires?

The most effective methods for extinguishing ammonia fires include using water, carbon dioxide, dry chemical powder, and foam. Each of these methods has its own advantages and may be more suitable for different types of ammonia fires.

2. Can water be used to extinguish ammonia fires?

Yes, water can be used to extinguish ammonia fires. However, caution must be taken as ammonia can react with water to produce heat and toxic fumes. It is important to use a fine mist or spray of water and avoid large quantities that can cause the ammonia to spread.

3. How does carbon dioxide extinguish ammonia fires?

Carbon dioxide works by displacing oxygen, which is necessary for the combustion process. By using a carbon dioxide extinguisher, the oxygen supply to the fire is reduced, effectively smothering the flames.

4. Is dry chemical powder an effective method for extinguishing ammonia fires?

Yes, dry chemical powder is an effective method for extinguishing ammonia fires. The powder acts as a smothering agent, preventing oxygen from reaching the fire. It also has the added benefit of being non-conductive, making it a suitable option for electrical fires.

5. When should foam be used to extinguish ammonia fires?

Foam is most effective when used on smaller, contained ammonia fires. The foam creates a blanket over the fire, preventing oxygen from reaching it and smothering the flames. However, it may not be as effective on larger, spreading fires.

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