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

pH Control in alkaline/neutral paper making

Carbon dioxide can safely replace acids such as sulfuric acid or phosphoric acid in paper machines and sulfur dioxide (SO2) after an alkaline bleaching souring stage. The use of carbon dioxide enables better pH control, increase white water alkalinity, can reduce corrosion and is very safe to use.



Gas supply mode