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United States of America Patent
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Aug 17, 2010
Grant Date -
Dec 18, 2008
app pub date -
Mar 18, 2006
filing date -
May 13, 2005
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Abstract
S, further gaseous sulfur compounds and sulfur, the gas stream first is passed over a reduction stage consisting of hydrogenation catalyst and then over a selective oxidation stage consisting of oxidation catalyst. To reduce the amount of apparatus involved, it is provided to arrange the reduction stage and the selective oxidation stage in a reaction tank and to leave a space for introducing a gaseous cooling medium into the gas stream between the two stages.
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