PROCESS FOR DESULPHURIZATION OF GASES
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Dec 20, 2013
filing date -
Dec 24, 2012
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Abandoned
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Abstract
A wet process for the desulphurization of hydrogen sulphide laden gas, including absorption of hydrogen sulphide in aqueous medium by a carbonate salt, oxidation of hydrogenosulphide into elemental sulphur in the presence of a vanadium compound with concomitant reduction of said vanadium compound, re-oxidation of said vanadium compound in the presence of the couple quinone-2-sulfonic acid/hydroquinone-2-sulfonic acid or quinone-2-phosphoric acid/hydroquinone-2-phosphoric acid or a salt thereof, the substituted hydroquinone catalyst being re-oxidized in the presence of oxygen.
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