Explosion at a Styrene Plant (547)

Explosion at styrene plant during start-up. A manhead flange failed in a light oil hydrogenation unit releasing 30 kg of hydrogen in a compressor shed. Ignition occurred in 10 to 15 secs. Significant damage to building and structures. Window damage to 365 m. According to the H2TOOLS entry, the investigation team concluded that hydrogen gas was released through a failed 19-inch diameter gasket and ignited under the roof of the compressor shed where it was partially confined.
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This material was prepared as an account of work sponsored by an agency of the United States Government.
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