Friday, May 19, 2006

Water Filters

Filters are the devices that help to remove impurities from water by means of a physical separators or chemical instruments. Water Distillers cleanse water for irrigation, drinking water, aquariums and swimming pools. They can also be bought in the shops for domestic purpose. Two major brands are PUR and Brita. These filters take away the impure contents from the water. The presence of such impure contents may cause diseases like cancer, jaundice etc and things that taste or smell bad. The composition of filters is based solely on sieving, ion exchanges and other processes.

UV Filters have the ability of killing the majority of bacteria and viruses present in the water and one, which passes through them. Sand based water filters are generally used for more than hundred years for wastewater treatment. These filters are used on a larger scale to treat a water supply for a whole community, and they are custom made.

Charcoal Water Filters are generally from coconut husk as a filter medium. This generally takes in impurities as the water passes through. This form of filter comprises possibly 95% of those in use domestically, because they are very easy to install, they are comparatively cheaper, and filter out the dreadful contaminants, Cryptosporidium and Giardia. An average charcoal filter will last a family 6-9 months. They are also enhanced by the use of activated silver, which provides extra antibacterial power of filtering. Minerals in solution can still enrich a charcoal filter. Such Minerals improvise health.


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6:56 AM  

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