Treatment of gases
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Aug 14, 2014
filing date -
Aug 13, 2013
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Abstract
A process and apparatus for recovering sulphur from a hydrogen sulphide containing gas stream are disclosed. A gas stream containing hydrogen sulphide gas is passed into an apparatus having a first thermal-reaction-region and a first catalytic region and reacting a portion of the hydrogen sulphide gas to sulphur dioxide and water and reacting a further portion to form sulphur vapor and water vapor to form a resultant-gas-mixture of water vapor, sulphur vapor, sulphur dioxide and hydrogen sulphide and passing a portion to the first catalytic-region whereby at least a portion of the hydrogen sulphide is reacted in the presence of a catalyst to form further sulphur vapor and water vapor and condensing at least a portion of sulphur vapor to form liquid sulphur and passing at least a portion of the liquid sulphur to a sulphur pit.
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