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08 October 2018

34.How cargo tank fire happens

October 08, 2018 Posted by AK No comments
Pyrophoric Reaction

What is this 
It is a rapid exothermic oxidation with Incandescence.

How it is formed
In an inerted atmosphere, the Hydrogen Sulphide reacts with Iron Oxide (rust) and forms Iron Sulphide.
• When a tank is exposed to air,the Iron Sulphide is oxidized back to Iron Oxide This oxidation is accompanied by generation of considerable heat so that individual particles may be incandescent.

Prevention 
All cargo operation is carried in controlled inerted condition.

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