Tuesday, December 25, 2012

The birth of the filter tap water safer


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With the increasing pollution of groundwater and surface water, the transformation of the speed of the existing water plant processing equipment and technology lags far behind the speed of the source water pollution, and therefore raised the doubts of the safety and health of people accustomed to running water. China s urba n water utilities since 1874, the earliest in Lushunkou longan springs built underground sources of water supply facilities, has a 125-year history. Filter is concerned that, for a long time, tap water as the drinking water of the city residents never not been doubted, then, the tap water is safe

The organic matter in the water and chlorine disinfectants combination produced, there are many of the halogenated compound has been recognized inducer of cancer, which is volatile the trihalomethanes and non-volatile HAAs, which the risk of cancer of the former 50 -100 times. Therefore, many countries have strict controls on the use of chlorine. The possibility of chlorine disinfection process to disinfect it, and ultraviolet sterilization is a purely physical sterilization process does not produce any side effects, and the bactericidal effect is extremely obvious, I believe that will solve the chlorine residual. Currently, most of our water treatment plant is still stuc k in the flocculation - sedimentation-Y type filter - chlorine disinfection process.

The main way of tap water secondary pollution, transmission and distribution network of water pollution. Out of the water from the water plant, was going through the various processing, but still microbial re-breeding, re-microbial breeding perennial transmission and distribution pipelines, the formation of a biofilm, aging and shedding of the membrane caused by the smell and taste of the water, chroma increase. In addition, these organisms gradually resistant to disinfectants, not easy to kill, but also increase the number of terminal tap water microorganisms, if the origin of the kill these microorganisms, ultraviolet sterilization by ultraviolet radiation to destroy their ability to divide, I believe that you can completely resolve this type of pollution.water filters cartridges

But in recent years, China s Beijing, Shanghai, Guangzhou and other major cities of the water plant through tap traditional processing technology to transform depth processing filter pretreatment has been considerable improvement in the water quality of the water plant, the majority of tap water factory when you have reached the national standards for drinking water. However, due to the problem of secondary pollution of the transmission and distribution network, the last water faucet from each family have been polluted to varying degrees. According to statistics, 76% of the country s water plant supply terminal tap some indicators have not yet reached the national standard.


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