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Why is the hydrogen sulfide/sulfur dioxide ratio controlled at 2:1 at the reverse two-output stage in sulfur production?

2009-03-02View Original

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Question: Why is the hydrogen sulfide/sulfur dioxide ratio at the reverse two-stage outlet in sulfur production 2 to 1?
Reply #22009-03-02
This is because the reaction conversion rate is highest only when the H2S/SO2 ratio at the outlet of the reactor 2 is 2.
Reply #32009-03-02
2H2S+SO2←→3S+2H2O (the ratio of the amounts of oxidized products to reduced products is 2:1)

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