Process for the selective oxidation of hydrogen sulphide to elemental sulphur
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United States of America Patent
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Issued Date -
Jul 25, 2002
app pub date -
Sep 12, 2001
filing date -
Sep 12, 2000
priority date (Note) -
Abandoned
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Abstract
The invention is directed to a process for the selective oxidation of hydrogen sulphide to elemental sulphur, said process comprising feeding a hydrogen sulphide containing gas to a bed of a catalyst that promotes the selective oxidation of hydrogen sulphide to elemental sulphur, together with an oxygen containing gas, whereby the amount of oxygen in the gasmixture leaving the selective oxidation bed is kept substantially constant at a pre-set value using a feed forward control of the amount of oxygen containing gas to be fed to the selective oxidation.
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