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5xad0w t1_jdudnrt wrote

Reply to comment by morphballganon in All 7 Pennsylvania chocolate factory explosion victims found by Substantial-Pass-992

Literally anything that creates fine dust when stored or processed such as flour, sugar, cocoa, etc.

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Heiferoni t1_jdukuig wrote

Yeah it's a common classroom physics demonstration to harmlessly combust a small amount of flour in a can. Great way to help in understanding silo explosions.

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Sioul_the_resilient t1_jdvk0ap wrote

Well not literally anything, but yes many things create combustible dusts that must be treated as hazardous. Dusts are actually tested for their ease of combustibility and the pressure created from combustion to rate the level of hazard and safety measures needed.

Source - have designed industrial dust collection systems and have done process safety evaluations with dust systems for work.

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bkconn t1_jdvmira wrote

You just reminded me of this incredibly satisfying dust collection system I saw yesterday. The stone debris being drilled from a giant tunnel through a mountain bust be completely de-dusted in order to keep the tunnel air breathable for all the workers inside.

https://youtu.be/Bie00h3lxKI?t=200

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