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Claus process

  1. Jun 2, 2007 #1
    I have a rather uneasy question:

    Is the reaction the following?

    2 H_2S + O2 = S_2 + 2 H_2O


    2 H_2S + O2 = 2S + 2 H_2O

    The dewpoint of S = 440 °C, but on my sketch I see the catalytic reactors are processed at 520 K = 250 °C which would mean that sulphur would become liquid again at that temperature, damaging the catalysts.

    So I think the first reaction is the right one.

    But: everywhere on the internet they speak of S and not S_2. Does someone know for sure which is the right reaction?

    And what's the dew point of S_2? I can't find it anywhere on the internet.
    Last edited: Jun 2, 2007
  2. jcsd
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