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What happens to chloride, fluoride and other strong acids in a Cansolv Unit?

April 26, 2017acids cansolv chloride fluoride happens strong

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What happens to chloride, fluoride and other strong acids in a Cansolv Unit?

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Strong acids will for the most part be removed in the prescrubber. The rate of removal will depend on the prescrubber design criteria. These acids will leave the unit in the prescrubber blowdown and can be neutralized with caustic in a water treatment step. The strong acids that slip into the CANSOLV SO2 section will be removed in the amine purification unit and will not affect the solvents efficiency in SO2 capture. The amine purification unit will be designed for this.