| 摘要 |
<p>Wet process for the desulphurization of hydrogen sulphide laden gas, comprising 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 reoxidized in the presence of oxygen.</p> |
