TREATMENT CFS-REVERSE OSMOSIS-WATER SOFTENERS-FILTERS-DOSING

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Biological treatment processes are a secondary treatment stage to remove dissolved organic matter from wastewater. In pulp and paper applications, the biological treatment process is preceded by one or more primary stages such as screening, clarification or dissolved air flotation. Biological treatment is followed by clarification or dissolved air flotation as other secondary treatment steps. If needed, secondary treatment may be followed by tertiary treatment.


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