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

Near neutral bleaching (NNB)

Carbon dioxide can be used to buffer and lower the pulp pH into the D1 or D2 stage using FPInnovations near neutral bleaching technology. Advantages compared with traditional solutions is a reduction in chlorine dioxide usage and a more stable final brigthness.


Equipment for industrial gases

  • Carbon dioxide self cleaning gas injection valve


Gas supply mode