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Polishing Filter

LEAVE SOLIDS BEHIND

Similar to a home filtration system, the Polishing Filter retains solids as the water flows through different filter media.

CONTINUED PERFORMANCE

The valving configuration on the Polishing Filter allows it to remain in continuous operation even while backwashing.

THREE’S COMPANY

The standard 3-vessel configuration optimizes efficiency while maintaining hydraulic throughput.

The Ellis Polishing Filter is specifically designed to remove or reduce suspended solids (20 micron or greater) by 90% via filtration. Greater solids loading and/or finer particle removal can be achieved by using alternate media beds. Special media is selected per application to achieve the highest quality effluent while sustaining low-pressure drop across the filter.

HOW IT WORKS

epf1
epf-drawing

Feed enters each vessel, passes through a selected media bed where suspended solids are filtered out. Filtered water leaves each vessel and continues out through the filtered water valve. The filtration process is automatic with feed brought to the system using a feed pump.

Captured solids are backwashed one vessel at a time per operator input, differential pressure or a timed basis. Backwash is achieved by using the filtered water from two of the vessels and diverting over to the remaining vessel. All vessels are backwashed in sequence. The filtration process will continue while in the backwash cycle. An independent backwash water supply is not required.

Polishing Filter Sizing & General Information

Model Number*Assembly Length (ft)Assembly Height (ft)Assembly Width (ft)Total Filter Surface (ft²)Nominal Flow (gpm) at 5 gpm/ft²Empty Weight (lb)Operating Weight (lb)
EPF24-34’-6”9.4504,8007,800
EPF30-311’3’-6”14.7754,90011,600
EPF36-312’21.21105,10012,500
EPF42-315’-6”5’-6”28.914510,80019,500
EPF48-317’37.719014,10044,900

*Model number designates individual vessel diameter (in) and number of vessels.

Applications

  • Cooling Water Filtration
  • Dissolved Air Flotation (DAF) Effluent Polishing
  • Inclined Plate Clarifier (IPC) Carryover
  • Industrial Return Water Polishing
  • Iron Precipitate
  • Pre-Carbon Treatment

 

OPTIONAL FEATURES

Materials of Construction Intake & Discharge Pumping Backwashing Access Hatches Valving & Controls OSHA Safety Guards & Catwalks