Explosions Limits of H2S/CO2>/Air and H2S/N2/Air

In chemical processes H2S in higher concentrations is used or arises during the process. The detailed knowledge of the lower respectively the upper explosion limit (LEL and UEL) is therefore necessary for a safety evaluation. The bomb method of the new European Norm EN 1839 represents the state of t...

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Bibliographic Details
Published in:Chemical engineering & technology 2005-07, Vol.28 (7), p.746-749
Main Authors: Pahl, R., Holtappels, K.
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Exact sciences and technology
Explosions
Gases
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Summary:In chemical processes H2S in higher concentrations is used or arises during the process. The detailed knowledge of the lower respectively the upper explosion limit (LEL and UEL) is therefore necessary for a safety evaluation. The bomb method of the new European Norm EN 1839 represents the state of the art and serves for a revision of data from elder literature. The determined explosion limits of the two ternary gas systems H2S/CO2/air and H2S/N2/air show, for example, that for the UEL higher amounts of H2S were found than the reported ones. All new data will be recorded in the database “CHEMSAFE”.
ISSN:0930-7516
1521-4125
DOI:10.1002/ceat.200500066