1.3.2.10. Application of Venturi scrubbers

Shmigol I.N., JSC “VTI“

Application of Venturi scrubbers for sulfur dioxide collection is based on washing of flue gases with soda solution accompanied by conversion of the reaction product in calcium sulfate. The main chemical reactions of the technology are the following:

2NaOH + SO₂ = Na₂SO₃ + H₂O;

Na₂CO₃ + SO₂ = Na₂SO₃ + CO₂;

Na₂SO₃ + Ca(OH)₂ + 2H₂O + ¹/₂O₂ = CaSO₄·2H₂O + 2NaOH.