William Blythe UK: Cl2/ClO2 Absorption - Case Study

Dec. 31, 2025

Problem

In 2006 William Blythe requested that FTL/Osprey make an assessment of the suitability of switching and upgrading one of their early TurboScrubber units. The previous TurboScrubber unit absorbed H2S to 99.997% efficiency into NaOH to handle Chlorine & Chlorine Di- oxide emissions from process reactors.

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Solution
The modelling showed that Cl2 could be scrubbed to very high efficiencies and ClO2 to reasonable efficiencies within the required conditions, and with only minor tower modifications. The chemistry & process of using Na2SO3.xH2O for the absorption & aqueous reaction of Cl2 & ClO2 was incorporated into the FTL/Osprey ScrubMaster® system.

Results
The unit has now been operating successfully for over a decade.