Process and device for the production of a gas that contains hydrogen from hydrogen sulfide

A process for the production of hydrogen from a hydrogen sulfide feedstock, comprising a stage for heating feedstock ( 1 ) in a heating zone ( 2, 5 ) to a suitable temperature so as to produce a hot gas ( 6 ) that contains hydrogen and elementary sulfur, whereby this heating is carried out at least...

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Bibliographic Details
Main Author Streicher, Christian
Format Patent
LanguageEnglish
Published 13.02.2003
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Summary:A process for the production of hydrogen from a hydrogen sulfide feedstock, comprising a stage for heating feedstock ( 1 ) in a heating zone ( 2, 5 ) to a suitable temperature so as to produce a hot gas ( 6 ) that contains hydrogen and elementary sulfur, whereby this heating is carried out at least in part by an external heat source and a stage for rapid cooling of the hot gas thus obtained, by mixing with a fluid ( 8 ) by means of at least one mixer ( 7 ), preferably an ejector, so as to obtain a gaseous effluent ( 9 ). The mixing time is less than 20 milliseconds. Elementary sulfur ( 11 ) is separated from this effluent and the hydrogen is recovered. Application for the elimination of hydrogen sulfide and the production of hydrogen.