Anhydrous Ammonia Tarp and Cover

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Uploaded by on Sep 12, 2008

Winston-Salem (NC) Fire Department Hazmat demonstrates "Tarp and Cover" control of an anhydrous ammonia release during Ammonia Safety Day.

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Science & Technology

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Uploader Comments (ataquaman)

  • Industrial ammonia flaring systems utilize a pilot flame fed by a fuel gas to achieve the temperature above 1562F/850C required to ignite ammonia ).

  • Covering the leak with a tarp recondenses the anhydrous ammonia, and helps to cool the vessel, lowering the temperature (and the vapor pressure) of the contents, which helps to slow the release rate.

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All Comments (9)

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  • bikr1975- You can not technically burn pure ammonia. The combustion of ammonia in air is very difficult in the absence of a catalyst as the temperature of the flame is usually lower than the ignition temperature of the ammonia-air mixture.

  • just curious as to why you cant ignite the leaking NH3 before it reaches nearby homes?? wouldnt it burn clean??

  • any sticky tape

  • Out of sight, out of mind...

  • This is an excellent demonstration. Good job!

  • I suppose it redirects the gas flow so that you can safely get to the valve, but then what if the leak is near the valve? then the tarp just covers that too.

  • ok i work with this stuff all the time how does that help to put a tarp over the leak ?

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