Today is the 33rd anniversary of Bhopal. But we, In India have only partly learnt the lessons from Bhopal.
December 3, 2017
December 1, 2017
Hot in Cold equals Explosion!
A hot aqueous process stream was wrongly directed to a tank full of cold hydrocarbon. The heat input from the aqueous stream caused rapid vaporisation of the hydrocarbon which then over-pressured the tank and caused a failure of the roof seam.
November 28, 2017
HYDROGEN SULPHIDE POISONING DURING PLANT SHUTDOWN
One worker died due to inhalation
of H2S while trying to take out a safety valve for maintenance. It was later
determined that he removed the flange bolts of the wrong relief valve and he
was working without a permit. His supervisor had pointed to the safety valves
(there were two of them at a height) and told him to remove one. He assumed the
worker knew which valve to open.
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