Sulfur dioxide

Made by

Used by

• Iodine from natural iodide brine by chlorine oxidation, air blowing-out and SO2 absorption (1000 t/a)FeedstockConcept · not reviewed
• Thionyl chloride from sulfur, chlorine and SO2 over activated carbon (3.75 t/h)FeedstockConcept · not reviewed

Takes part in

• 2Na₂S+2CO₂+3O₂→gives2Na₂CO₃+2SO₂Product · Sulfur release as SO2 to the flue gas · one process
• I₂+SO₂+2H₂O→gives2HI+H₂SO₄Reactant · Reduction of the blown-out iodine by sulfur dioxide (T-202) · one process
• SO₂+2NaOH→givesNa₂SO₃+H₂OReactant · one process
• 2SO₂+O₂⇌in equilibrium with2SO₃Reactant · one process
• Cl₂S+SO₂+Cl₂⇌in equilibrium with2SOCl₂Reactant · one process
• Cl₂+SO₂+2H₂O→gives2HCl+H₂SO₄Reactant · Reduction of the blown-out excess chlorine by sulfur dioxide (T-202) · one process
• S+O₂→givesSO₂Product · Oxidation of the coke sulfur to SO2 · 2 processes