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Pulp and Paper
Select a step where Air Liquide intervenes in your value chain.

Black liquor oxidation

Black liquors (weak or strong) can be treated with pure oxygen in pressurized reactors in order to oxidize sodium sulfide and reduce emissions of total reduced sulfur ("TRS") in the recovery boiler or to reduce the liquor heating value and increase the recovery boiler capacity


Equipment for industrial gases

  • Tubular oxidation reactor


Gas supply modes