Municipal HomeIndustrial Home 
 
 

Problem: Raw waters having high suspended solids (in the order of 200 ppm) and containing detergents.

Solution: Heavy Suspended Solids Filtration
                 Electromedia® III

Electromedia® III is a unique filtration system integrating a special vessel design and a proprietary media.

Electromedia® III is formulated for the filtration of raw waters having high suspended solids (in the order of 200 ppm) and containing detergents.

Electromedia® III is used in conjunction with an alum and ferric chloride pretreatment to produce filtrates having a turbidity of approximately 10 NTU.




OPERATING CHARACTERISTICS

  • Filter Rate: 5 gpm per sq. ft.
  • Backwash Rate: 20 gpm per sq. ft.
  • Required Backwash Time: 6 minutes maximum.
  • Clean Filter Differential Pressure: 2 to 3 psi.
  • Terminal Differential Pressure: 25 psi.

Electromedia® III is used on such applications as primary sewage after gross solids have been removed, car wash rinse waters, and certain irrigation waters. Backwash to filtration ratios of 10% to 15% should be expected on raw waters containing the maximum limit of suspended solids. The nature of such applications requires laboratory test runs on a 5 gallon sample of raw water to insure the satisfactory performance of the full-scale unit.

STANDARD EQUIPMENT

  • Flow range from 10 to 750 gpm simplex units.
  • 60 psi pressure tank ASME code, stamped. Higher ratings available.
  • Filter tanks are carbon steel, epoxy lines at all wetted surfaces.
  • Backwash flow controls, air release valves, and automatic filter control valves provided as standard.
  • Standard interior fittings: cast iron, PVC, and stainless steel.
  • Each tank fitted with 12" X16" manholes, 6" x 8" hand holes, or manways depending on filter size.

AUTOMATION

PLC based automatic filter controls include automatic reset timers for filtration, backwash and purge. Backwash is initiated by time or differential pressure override. Controls housed in a NEMA 12 enclosure.

WARRANTY

Filtronics warrants its filtration equipment to be free from defects in material and workmanship for a period of one year from date of shipment. Any Filtronics filtration equipment found to be defective within such period will be repaired or replaced, upon return to the factory.
The foregoing warranty is exclusive and in lieu of all other expressed or implied warranties whatsoever including but not limited to implied warranties of merchantability and fitness for a particular purpose.

 
Treatment Solutions for:
   
(Return to the previous page)


© Electromedia® is a registered trademark of Filtronics, Incorporated. Copyright 1992,2006 by Filtronics, Incorporated.
All rights reserved. Any comments or questions can be directed to the webmaster.