Ispra Mark 13A
Ispra Mark 13A :
A flue-gas desulfurization process developed at the Joint Research Centre of the European Community at Ispra, Italy, from 1979. It uses a novel electrochemical method to regenerate the solution used for absorbing the sulfur dioxide. The products are concentrated sulfuric acid and hydrogen. The absorbent is a dilute aqueous solution of sulfuric and hydrobromic acids, containing a small amount of elemental bromine. Sulfur dioxide reacts with the bromine thus: SO2 + 2H2O + Br2 = H2SO4 + 2HBr The bromine is regenerated by electrolysis: 2HBr = H2 + Br2. (Check source for accuracy of chemical formula)
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