Plasmas for total upgrading of H2S

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as an alternative to the Claus process in order to recover hydrogen and sulphur from rather concentrated H2S. For less concentrated gases our plasma techniques may also be inserted into classical Claus plant or may allow a treatment of non conventional acid gases (for example too high CO2 concentration or too low gas flow-rate). Up to industrial scale tests were performed using different plasma reactors.
SulfArc reactor for 60 m3/h of acid gas
Schematic view of a pilot installation of SulfArc

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