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January 15, 2011

Another reactor blast....and another tank blast

An explosion in a reactor in a plant in Vapi has injured at least 6 workers. As per news articles, The blast was powerful and had occurred due to "rupturing of a safety valve". Reading between the lines, it appears it is another case of a reaction gone wrong and inadequate rupture disc sizing.The sizing basis of safety valves and rupture discs need to be documented and understood by plant operators.
The blast wave from the explosion reportedly damaged windows and buildings. Blast waves are extremely dangerous. Read an explanation in this link.
Read the articles in this link: Link 1 and Link 2

Another incident reported is the explosion of an ammonia cylinder or tank in an ice factory in Karnataka. Read about it in this link.

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