Explosive news! Nitrogen helps with bomb disposal


Liquid nitrogen from the Messer Group was instrumental in safely removing the danger of an unexploded second world war bomb, as part of carefully orchestrated excavation procedure carried in Germany this year.

The operation required Messer and its soil freezing technology to form a stable soil environment through which a bomb disposal team could dig down and remove the explosive device.

In December 2007, construction workers carrying out ground surveys on the site of Evonik AG in the Marl chemicals complex unearthed a 500kg aerial bomb from the
Second World War, which had to be recovered.

However, since this cluster bomb was lying underneath the foundations of a chemical production facility, it was not possible to use conventional methods for the excavation.

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