The sodium-alkali desulfurization process uses sodium-based alkali (sodium hydroxide, sodium carbonate, etc.) solution as an absorbent to remove sulfur dioxide in flue gas, and the desulfurizer absorbs sulfur dioxide to generate sodium sulfite. Sodium sulfite plays a major role in absorption during the circulation process. It absorbs sulfur dioxide to form sodium bisulfite, and then undergoes forced oxidation to form sodium sulfate.
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