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Greensand

  • Manganese Greensand forms from glauconite green sand.
  •  When water chemistry is within certain parameters it is capable of reducing iron, manganese and hydrogen sulfide from water through the process of oxidation and filtration.
  • Soluble iron and manganese oxidizes and precipitates through contact with higher oxides of manganese on the greensand RP7 iron/sulfur systemgranules.
  • The hydrogen sulfide is reduced by oxidation to an insoluble sulfur precipitate.
  • Backwashing filters and removes precipitates. When the oxidizing capacity power of the Manganese Greensand bed exhausts, the bed has to be regenerated with a weak potassium permanganate solution, thus restoring the oxidizing capacity of the bed.
  •  One to two ounces of potassium permanganate, in solution, per cubic foot of Manganese Greensand is considered sufficient for normal regeneration.

         Don’t Forget!

  • Vigorous backwash and regenerating the bed is required when placed in service, and before its oxidation capacity is totally exhausted.
  • Operating the bed after oxidation capacity is exhausted will reduce its service life and may cause staining.

 

RP8 iron/sulfur systemOdor Oxidizer

  • An odor oxidizer removes sulfur odor by converting Hydrogen Sulfide into water and precipitated sulfur compounds.
  • The unit uses a booster pump and contact tank, sometimes two of each, if sulfur levels are very high, or if high flow rates are expected.
  • The unit is very reliable, requires no regeneration, and no chemicals to purchase.
  • Twice a year simply open a drain valve to flush out any sediment. An added bonus is the extra water pressure to the house from the booster pump!!
  • Basically, once installed you can forget about it!

 

RP9 iron/sulfur systemAddie

The Steps:

  • As water enters the system, it passes through a bubble of compressed air that adds oxygen to it.
  • The water then passes through a filter bed.
  • The filter material enhances a reaction that separates the iron from the water.
  • The insoluble flakes of iron that result are then caught by the filter bed.
  • The iron-free water then flows to your faucets.
  • The system replenishes itself every one-to- three days in a process that washes the iron out from the filter and down the drain, while refilling the compressed air bubble (this happens automatically during the night.)
  • The filter media, which is Manganese Dioxide based, catalyses’ a reaction that turns ferrous iron, usually found in water in the form of ferrous bicarbonate, into ferric oxide and ferric hydroxide, which are insoluble.
  • This is the same reaction that takes place when iron-bearing water is exposed to air, which leads to staining of fixtures.
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