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  1. njurisch

    Sulfur Pit Explosion Protection -- NFPA 68 Interpretation

    I am working on a concrete sulfur pit, using an in-pit degassing technology. Liquid sulfur enters the pit with approximately 350 ppmw H2S and is degassed to 10 ppmw H2S. Because of this, the possibility of explosion, due to H2S concentration in the vapor space, exists (it is protected by...

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