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8 Stages of Filtration & Treatment

8 Stages of Filtration & Treatment

Before we get into this article on the stages of filtration, if you are interested in purchasing a water treatment system, then we suggest that you look into the ionized alkaline water filtration machine as well as the triple countertop water treatment system to start.

In stage 1, water travel through a solid carbon cartridge for removing volatile organic carbon compounds (VOC's), insecticides, pesticides and industrial solvents.

In stage 2, water flows through pre and post one - micron filter pads (1 micron equals 1/25,000th of an inch), which remove suspended particles such as silt, sediment, cyst (Giardia, Cryptosporidium), sand, rust, dirt, and other un-dissolved matter.

In stages 3 and 4, water flows through a bed of media made of a special high-purity alloy blend of two dissimilar metals - copper and zinc (KDF-55D ., and KDF-85D ..) KDF is a major advancement in water treatment technology that works on the electro-chemical and spontaneous-oxidation-reduction (REDOX) principles. Chlorine is instantaneously and almost inexhaustibly oxidized. Tests on KDF/GAC cartridge have shown 99+% chlorine removal past 20,000 gallons of water. In comparison, carbon cartridges of comparable volumes drop below 90% effectiveness after only 4,000 gallons.

Iron and hydrogen sulfide are oxidized into insoluble matter and attach to the surface of the media. Heavy metals such as lead, mercury, copper, nickel, chromium, cadmium, aluminum, and other dissolved metals are removed from the water by the electrochemical process. They are attracted to the surface of the media, much like a magnet. The media inhibits bacterial growth throughout the entire unit. In fact, it has been shown to be reduced up to 90%, eliminating the need for silver, which is commonly used in carbon-only filters (silver is considered a pesticide by the EPA and, as such, must be registered with them).

Learn more about KDF Water Treatment.

In stage 5, water flows through ion exchange resins, reducing heavy metals such as lead, copper, aluminum, and water hardness.

In stage 6, water flows through granulated activated carbon (GAC). GAC is universally recognized and widely used as an effective adsorbent for a wide variety of organic contaminants, such as chlorine (99.9%), chemicals linked to cancer (THM's, benzene) pesticides, herbicides, insecticides, volatile organic compounds (VOC's), PCB's, MTBE's and hundreds of other chemical contaminants that may be present in water causing bad taste and odors in your drinking water.

Carbon is extremely porous and provides a large surface area for contaminants to collect. Carbon-only filters must also use their capacity for chlorine removal, resulting in a shortened life. They also may use a bituminous coal carbon, which is good at removing chlorine, but not as effective at removing chemicals. We use a high-grade coconut shell carbon that is most effective at removing chemicals. Coconut shell carbon provides a significantly higher volume of micro-pores than either coal, wood or lignite based carbon. As a result, it is more effective than other carbon types in removing trihalomethanes (THM's) and other chemicals from municipally supplied water. Since our REDOX media removes the chlorine before it reaches the carbon, the carbon capacity is not wasted on chlorine and is free to concentrate more effectively on organic contaminants.

Learn more about GAC Water Treatment.

In stage 7,water flows through another one-micron filtration pad for further reduction of undesirable particles. The end result is a great reduction or total elimination of a wide variety of contaminants.

In stage 8, water flows through PFL's Alka-Pi Water Treatment filter which combines specially positioned ceramic magnets, Tourmaline, as well as 3 other volcanic minerals and ceramics to produce structured water to help oxygenate the blood, increase body fluid pH, improve circulation, increase mental alertness and strengthen the immune system. It utilizes the benefits of Far Infrared Rays to activate, revitalize, reactivate, develop and strengthen various organs in our bodies.

The benefits of Tourmaline.

It also includes Negative Potential Ceramics (ORP). Negative potential ion water contains higher levels of ionic calcium and can greatly improve conditions including diabetes, high blood cholesterol, fatigue, insomnia, obesity, etc.

 

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