Problem Water Systems

Tannin removal:

Tannins in water create a yellowish cast in most cases. Sometimes it can be mistaken for other contaminants such as iron. Tannins are natural organic matter that can result from nature’s fermentation process as water passes through the ground through levels of decaying vegetation. Tannins are typically found in shallow wells, in swampy or marshy areas as well as coastal areas.

Tannin removal can be accomplished by ion exchange very similar to water softening which uses ion exchange to remove hardness. Sometimes both types of media can be used in one piece of equipment to both soften water as well as remove tannins. This is often referred to as a mixed bed softener. For complete details and to be certain you are dealing with Tannins contact your local Aqua Systems supplier. They will test the water and provide recommendations on the best ways to deal with tannins in your water.

Many water supplies require more improvement than simply removing the hardness from it. Your water may have other problems such as:

  • Rust
  • Odor - such as sulphur or rotten egg smell
  • Tainted Color
  • Staining
  • Bad Tastes

Aqua Systems has been treating all sorts of problem water supplies since 1959. Systems can be built in a standard format with one treatment chamber, or now systems can be built as a Multi-Chambered unit to allow for multiple treatments in the same system. Listed below are some of the types of media that can be used, and what problems they treat:

Manganese Greensand - For control of Iron, manganese, and low levels of hydrogen sulfide. The unique feature of this media is that it will both oxidize and remove iron. This media requires regeneration with potassium permanganate.

Birm - For removal of iron and manganese in waters with a high level of dissolved oxygen. Birm works best when combined with air-injection to oxidize iron prior to entering the filter bed. This media is maintained by simple backwashing.

Filter Ag - For removal of particulates, and improvement of cloudy water. Filter Ag is also easily maintained by simple backwashing.

Activated Carbon - For the removal of dissolved chemicals from municipal, or other chlorinated water supplies. With simple backwashing, activated carbon can provide years of trouble-free chemical removal. This media is especially effective at removing chlorine.

Calgon Centaur Carbon - Specially formulated carbon for the removal of chloramines, and higher levels of hydrogen sulfide. This media provides both a catalytic and an adsorptive reaction. Centaur is especially effective in applications where iron and sulphur are present, and is maintained by simple backwashing.

KDF - A patented media that is excellent in removing Chlorine, Hydrogen Sulfide, and Iron. KDF also has a bacteriastatic quality that prohibits bacteria from growing in the media. This media is NSF certified to ANSI/NSF standard 61, and is maintained by simple backwashing.

pH Control - A mix of calcium carbonate and magnesium oxide can be used to correct low pH that can destroy plumbing fixtures. This media is maintained by simple backwashing, and over time, adding additional media is usually required.

Tannins - Tannins are organic compounds that cause discoloration of water. Tannins are removed by using an ion exchange (Tannin) media. This media requires salt to regenerate, but will not soften water.

TN Combo - If Tannins are present in water along with hardness, a TN combo unit can be used. A TN combo unit uses both the Tannin resin and the standard Softening resin together in the same tank. Each resin is regenerated with salt.

Contact an Aqua Systems representative to find out what system can be built to treat your problem water!

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