Sulfur Dioxide → CID 6399220

Reaction equation

S(=O)=O.[S:4]([O-:7])([O-:6])=[O:5].[Na+:8].[Na+].[S:10](=[O:13])([OH:12])[O-:11].[Na+]>>[S:4](=[O:5])([OH:7])[O-:6].[Na+:8].[O-:12][S:10]([O-:13])=[O:11].[Na+:8]

Participants

Reactant 3

HCID 1119Sulfur Dioxide

HCID 24437Sodium Sulfite

HCID 23665763Sodium Bisulfite

Product 2

HCID 6399220CID 6399220

HCID 23665763Sodium Bisulfite

Procedure

The sulfur dioxide from line 278 is scrubbed in fortification absorber 234 with sodium sulfite solution supplied through line 236 or sodium bisulfite solution supplied through line 270 or a combination supplied through line 237 to spray nozzle 280 to scrub and recover the sulfur dioxide in packing chamber 281 to form sodium bisulfite or sodium acid sulfite. The flue gas is vented through line 282 to absorber 231.