Thylox


Thylox : A process for removing hydrogen sulfide from refinery and coke-oven gases by absorption in a solution of sodium ammonium thioarsenate. The solution is regenerated by blowing air through it, precipitating elemental sulfur, which is filtered off: (NH4)3AsO2S2 + H2S + (NH4)3AsOS3+ H2O ? 2(NH4)3AsOS3 + O2 + 2(NH4)3AsO2S2 + 2S. (Check source for accuracy of chemical formula)
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