blowdown stack


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blowdown stack

[′blō‚dau̇n ‚stak]
(chemical engineering)
A vertical stack or chimney into which the contents of a chemical or petroleum process unit are emptied in case of an operational emergency.
References in periodicals archive ?
By Friday, April 8, BP had moved all personnel to locations more than 500 feet away from any blowdown stack or flare.
We did not provide our people with systems and processes that would have enabled them to appreciate the risk of a catastrophic release from the F20 blowdown stack and understand the danger of placing occupied trailers so close to it.
The report also identified continued use of Blowdown Stacks as a critical factor.