Fire hazard classification of ammonia water and fire separation distances for underground ammonia tanks
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There are currently two underground ammonia tanks with a capacity of 2,000 cubic meters each. The issues are as follows: 1. The mass concentration of ammonia is 15%; how should the fire hazard associated with ammonia be determined? 2. There is an ammonia pump room near the ammonia tank; how should the fire separation distance between the ammonia tank and the pump room be determined?
15% wt ammonia water is likely just a corrosive medium, without properties such as flammability or explosiveness.
A concentration of 15% is relatively low; there is probably no specific requirement regarding this, and it is necessary to consult the local safety supervision department
How is ammonia water classified? Is 15% ammonia solution considered a hazardous chemical?
According to item 35 of the 2015 version of the List of Hazardous Chemicals, ammonia solutions are classified as hazardous chemicals.