2013年3月29日星期五

Tap water purifier



Tap water purifier is directly filtered tap water for household use,make it fully met the standard of kitchen cooking and drinking. This purification equipment is tap water purifier, also known as pure water machine,water filter. The tap water purifier installed directly on the faucet.In the daily usage of tap water purifier, you can depend on your drinking water requirements to select a different filter composed of water filters.
 Purification character
1.Divide two broad categories:pure water filter can filter out all the useful and harmful substances in water, it is fit for the area where the water contain great deal of scale; Ultrafiltration can filter  soluble materials in water, it suitable for the water quality good southern region.
2. Estrogen (birth control) of heavy metals ,pesticide pests in water can achieve effective filtering.
3.That can improve water color vision and the peculiar smell, improve the taste of water, reduce the turbidity, chlorine content.
The reasons of tap water pollution
 The puering water process generally comprises three steps:suspended solids  Add colloidal substances such as aluminum chloride, aluminum sulfate or ferric chloride in the raw water to make some subsentence sinking. Then into the sedimentation tank, sedimenting several period, then the flow through a filtration , and finally adding the liquid chlorine to disinfect.
  First, the primary filter water treatment processes are carried hundreds of tons or tons of water, because the amount is too large, it is difficult to ensure that the filtering effect.
  Second, the process from the above point of view, the water filtration is actually relatively simple filtering, there are two kinds of standard tap water of our national regulations, a 35 published in 1985, and the other one is 2005 101 conventional 42 species, these standards, regardless of number or not from the stringency and international standards.
  Third, the addition of liquid chlorine kill sterilization, in fact, it has become a major hidden chlorine chloroform is widely considered to be a strong carcinogen in 2010, the latest data show that cancer patients in China is higher than in 1980 200 times with tap water chlorination inseparable from relations.
   Fourth, even clean tap water through after a few kilometers of the pipeline beyond recognition, which is known as the tap water secondary pollution. Including galvanized pipe pollution, water pipes, leading to rust, high-rise water tank garbage pollution, these have become the hidden dangers of tap water.

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