| 摘要 |
The invention is directed to a process for the catalytic reduction of sulphu r dioxide from a gas mixture at least containing 10 vol. % of water, in which process the gas mixture is passed ov er a sulphur resistant hydrogenation catalyst in sulphidic form, at a space velocity of at least 2000 h-1, in the presence of a reducin g component, preferably at least partly consisting of hydrogen, in a molar ratio or reducing component to sulphur dioxide of more than 10 up to 100, at a temperature of 125 .degree.C to 300 .degree.C, followed by passing the gas mixture, after the said reduction, through a dry oxidation bed for the oxidation of sulphur compounds, more in particular hydrogen sulphide, to elemental sulphur.
|
