recovery using the sure process
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United States of America Patent
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Mar 4, 2014
Grant Date -
Mar 21, 2013
app pub date -
Sep 20, 2012
filing date -
Sep 21, 2011
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Abstract
The invention relates to a method for recovering sulphur from a sour gas containing hydrogen sulphide and carbon dioxide, comprising: oxidation of the sour gas, wherein a part of the hydrogen sulphide is oxidized to sulphur dioxide and water, reaction of the resulting sulphur dioxide with the residual hydrogen sulphide to elementary sulphur, and removal of elementary sulphur. According to the invention carbon dioxide and/or carbon dioxide generated by oxidation of the sour gas is compressed, and at least a part of the carbon dioxide is injected into an oil well. Furthermore, the invention relates to a plant suitable for performing the above method.
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