I need to now at what temperature h2s is completly burner.?

we burne h2s and biogas in the waste water treatment plant and we have the problem with the smell of h2s. we clean that gasses in the scrubber and burne that gasses at 600º but the problem persist.

Answer:
You are talking about a concentration effect here. The threshold exposure for harmful human effects to H2S is 300-350 ppm:

ref: http://en.wikipedia.org/wiki/hydrogen_su...
ref: http://www.niehs.nih.gov/external/faq/eg...

and the nose can detect 1/400th of that! So while you may still be smelling it, it may only be at < 1 ppm in the environment. To effectively burn off all of this you would have to pretty much ignite the entire air supply in the surrounding facility (which wouldn't leave anything for you to breath).

Since at this level it is not harmful to you, and your both can effectively eliminate these low amounts (due to natural sulfate elimination mechanisms built into body chemistry, I suppose it is just an occupational factor. I agree - not pleasant, but, it won't kill you.

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I need to now at what temperature h2s is completly burner.?

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