Process for simultaneous production of sulfur from...

Details Process for simultaneous production of sulfur from... Process for simultaneous production of sulfur from...

C - Chemistry, Metallurgy

01

B

23/332

C01B 17/04 (2006.01)

Patent

CA 1325880

ABSTRACT The invention relates to a continuous production process in which elementary sulphur is obtained simultaneously from H2S-gases as well as from SO2-gases in various quantity ratios. In the presence of considerable quantities of the SO2-gas, all of the H2S-gas is partially being oxidized with a O2-gas in a 1st reaction zone at 800 - 1400°C, whereas the balance of the SO2-gas is partially being reduced in a 2nd zone at 1000 - 1500°C in the presence of a reducing gas. Subsequently the mixture from both zones, which has now an almost stoichiometric H2S:SO2 ratio, is being converted to sulphur in a 3rd zone at 800 - 1300°C without any additional, direct heat supply. The sulphur is separated by way of condensation and the remaining gas mixture is further processed in a conventional Claus installation.

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