Tertiary Treatment


Tertiary treatment provides polishing prior to disinfection or discharge.  This polishing is generally provided by filtration or membrane treatment.  These steps rely on solid-liquid separation to remove TSS and associated contaminants.


Tertiary Cloth Media Filtration

Cloth Media Filtration

Pile cloth media filtration is commonly used for tertiary treatment.  In these filters, the pile cloth uses depth filtration to provide solids-liquid separation to remove a wide range of particle sizes.


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Membranes

Low-pressure microfiltration (MF) and ultrafiltration (UF) membranes are used for tertiary treatment in applications that require lower concentrations of effluent TSS or associated contaminants than cloth media can achieve.


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