Date: June 2012
Country: United States
System/Product: Green Sand Filter
Flow Rate: 27,360 GPD
A green sand filter is made up of manganese green sand or is more scientifically known as glauconite. Green sand filters require a pretreatment of an oxidizing agent first, chlorine works best when removing iron from water while potassium permanganate works best when dealing with manganese. Due to the pretreatment, when the water comes in contact with the manganese green sand, either the iron, manganese or hydrogen sulfide instantly oxidize. This means the impurities go from a dissolved state to clumps and then they become trapped in the filter media. As water continues to travel down the tube, the iron, manganese, and hydrogen sulfide are removed down a different pathway. Regeneration of the green sand in the filter is necessary to continue quality and longevity in the usage of the filter.
Green sand filters was supplied to a major company in Florida, USA. The system was designed for 27,360 GPD. Water that contains too much iron, manganese, and hydrogen sulfide in it can cause a smell, discolor, or taste. In water filtration, the proper way to treat this problem is with a green sand filter.
A significant advantage of Greensand, ascribed to its chemical makeup, is that it can be utilized in two separate operating methods.
This enables versatility in water treatment system design, with unique features adapted to the features of the water supply.
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Pure Aqua does a very good job when it comes to engineering...they do know exactly what it needs to offer the top quality filters for us. Thanks again folks.