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Forced precipitation of calcium carbonate
Tuning the pH with gases & right equipment
Neutralise alkaline deinking stock
CO2 to maintain felt formation
Adjust hardness and buffer capacity
Weak acid CO2 as alternative treatment to mineral acids
CO2 improves regeneration treatment
The better alternative
Control of pH and Calcium level
Carbon dioxide to improve efficiency in pulp washing
Increased lifetime of membranes
Increase sludge consistency
Partial replacement of sulfuric acid