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Facts About Iron Filters

Alternatives for Iron Removal

An iron problem is characterized by the red-brown staining of bathroom fixtures and laundry. In well water, iron usually occurs in its ferrous state. The water is clear when drawn but once exposed to air the iron changes into a ferric (oxidized) state. The water turns red and forms insoluble “rust” particles. Staining can be caused by as little as 0.3 milligrams per litre (mg/L). Depending on the iron concentration there are several solutions to this aggravating water problem.

Iron Bacteria

Often an iron problem is the direct result of an infestation of iron bacteria. Although these bacteria do not present a health hazard, they stain fixtures, can clog pipes and valves, and make the water unpalatable. The best control can often be accomplished by shock chlorination. Shock chlorination is the direct treatment of a well and water system with 15 to 20 L of chlorine bleach. This strong chlorine solution is held in the well and water system for at least eight hours before being flushed out. Shock chlorination won’t solve the problem permanently, but it will usually keep the bacteria in check. This procedure should be carried out before selecting iron removal equipment. Shock chlorination in spring and fall is recommended for the continued successful operation of any water treatment equipment.Continuous chlorination of the well, using dry pellets or liquid chlorine, is another option. Occasionally this treatment may be needed when iron bacteria cannot be effectively controlled by shock chlorination.

1. Air Injection (See Terminator System and IronMaster Systems)

Terminator Water Treatment Systems Eliminate iron, sulfur and turbidity without the use of expensive chemicals.

IronMaster All in one air injected iron, manganese and sulfur removal system.

These iron filters use the oxygen in the air to oxidize the iron in the water.  Terminators systems uses a small venturi type air injector that is installed between the pump and pressure tank to draw the air into the water. The iron oxidizes inside a air precipitation tank to form rust particles and release sulfur gas which are then strained out by a filter. The IronMaster works on the same concept but is a all in one system which makes it more modern and easier to install and maintain These filters have worked very well, and are presently replacing the manganese greensand filter in the market place.

2. Manganese Greensand Iron Filter (See Manganese Greensand System)

The manganese greensand iron filter used to be the most common iron removal device. It can be used successfully for iron concentrations up to approximately 6 mg/L. Iron is oxidized by a coating on the manganese greensand. The greensand must be periodically regenerated with potassium permanganate to replenish the oxygen on the greensand. Continued successful operation requires an availability at least 5 gallons per minute flow for proper backwash, pH above seven, and regular regeneration. Failure to regenerate often enough can ruin the filter media.

3. Water Softener

A water softener will generally remove up to 3 mg/L of iron. The iron must be in the ferrous (clear water) state or the iron will damage the softener resin. Care must be taken if a softener is used to remove iron because iron tends to clog and foul the softener resin. A resin cleaning compound must be used regularly to protect the resin. The most common resin cleaning compounds contain sodium hydrosulfite or phosphoric acid. Some water softener salt contains a resin cleaner.

4. Katalox filter

SoftPro® Elite Backwashing Katalox Filter System

*Removes high levels of Iron, Manganese, Hydrogen Sulfide*

  1.  iron up to 10ppm without additional oxidizers. Up to 50ppm with an oxidizer
  2.  removes Manganese up to7ppm
  3.  removes hydrogen sulfide up to 5ppm
  4. Arsenic removal up to 120ppb (additional requirements needed. Contact us)
  • Filtration down to 3 microns
  • Katalox is a new brand of revolutionary advanced filtration media completely developed in Germany. It’s composition simply makes it outstanding against the contemporary filter media currently available in the water treatment industry.

5. Triple O Ozone filter system that filters water in a large storage tank

Triple O – Ozone Water Treatment System

The Benifits of Ozone
Municipal water companies have used ozone technology to treat large quantities of water for many years because of its effectiveness in purifying and conditioning water.

Triple 0 Systems has selected ozone technology for use in treating well/tank water because of its unique properties to:

– Kill bacteria on contact thousands of times faster than chlorine or bromine
– Kill virus on contact.
– Kill algae spores, fungus, mold and yeast spores.
– Oxidize oils and precipitate heavy metals.
– Remove excess iron, manganese, and sulfur by a process known as micro flocculation, thus conditioning the water naturally without chemical additives.
– Remove color and odor, leaving a fresh, healthy bouquet.
– Reduce scale build-up on equipment such as pipes and water heaters, and staining of showers, sinks, bathtubs and toilets.
– Ozone leaves no residue, it’s only by-product is pure oxygen

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