What are the advantages of this process?
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If hydrogen sulfide and sulfur dioxide are available, allowing them to react directly to produce sulfur, what advantages does such a process have over the traditional Claus process? Is the modification work extensive based on a traditional Claus plant?
At high concentrations, the heat of reaction is significant, and the volume of the bed layer also becomes large. The current single-stage high-temperature conversion and two-stage catalytic conversion methods are derived from improvements to processes similar to those you mentioned.
By eliminating the process of converting hydrogen sulfide into sulfur dioxide, how much can be saved in terms of investment? Is the renovation difficult? Now there are SO2 products that can’t be sold, and they don’t want to produce sulfuric acid either.
The Claus process is a process design aimed at recovering sulfur from acidic gases dominated by hydrogen sulfide, and it is primarily used for treating hydrogen sulfide waste gases emitted in chemical processes under a reducing atmosphere. Since, as mentioned by the poster, the feed gas containing sulfur dioxide and hydrogen sulfide is already available, it is possible to adjust the mixture using the reactions for sulfur recovery from chlorine derived from these two substances, in order to achieve an appropriate ratio for carrying out the sulfur recovery process. However, due to the high heat of reaction, an inert gas can be added for appropriate dilution, or the heat of reaction can be removed by installing heat removal equipment within the reactor. Adding a diluent gas may make the operation easier, as the inert gas can also serve as part of the driving force for mass transfer; of course, equipment for removing the heat of reaction is also essential.
Will the oil refining industry be enthusiastic about buying SO2 at low prices to expand existing sulfur processing facilities? Can it generate profits?