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December 17, 2010

Dust explosions

After the Imperial sugar dust explosion incident, a lot of awareness has been created regarding dust explosions, even though it was well known even prior to the incident that dust explosions are very dangerous. An article mentions the following to reduce the chances of dust explosion:
"1.Properly assess your dust's fire and explosion characteristics so adequate measures can be taken for the prevention and mitigation of hazards in your own facilities and, if you are shipping the dust to some other facilities, at those locations.
2. Understand your own powder handling and processing operations. You should be able to identify likely ignition sources during both normal and abnormal operating conditions. Also pinpoint location(s) where combustible dust clouds could exist during normal and abnormal operating conditions.
3. Take effective measures to avoid or control ignition sources and formation of combustible dust clouds. Also consider explosion protection (such as venting and suppression) and isolation to lower the risk to a tolerable level.
4. Maintain dust explosion prevention and mitigation measures".
Read the full article in this link.
Another article about the ongoing investigation on the explosion in the AL solutions plant in by the CSB mentions that the CSB is also looking at the possibility of explosion of zirconium dust......read the article in this link.

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