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June 11, 2012

Not adding solvent causes a reactor explosion

A fatal accident caused by an explosion at a pharmaceutical factory reportedly occurred during the manufacture of a chemical product called CMP that involved the mixing of two ingredients. The two chemicals were to be mixed in a liquid base of acetone solvent, which is used to take the heat out of the reaction, but it appeared that the acetone was not added, resulting in a build-up of heat and gas which exploded in the vessel.
It is our understanding there was an unintentional operator error – he made an error in the sequence in which the chemicals were put into the chemical vessel,” said Mr Boylan, adding the explosion blew a 5m (15ft) hole in the building with debris ending up 150m away".He said the company had breached safety regulations by not properly assessing the risk and consequences of omitting acetone from the process. While electronic devices were available to control the mixing of ingredients, the company had relied on human judgment"
Read the article in this link.
 
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