What is the difference between activated carbon filter and quartz sand filter? In the water quality pretreatment system,The activated carbon filter can absorb residual chlorine that cannot be removed in the previous stage filtration to prevent the later stage reverse osmosis membrane from being oxidized and degraded by it,At the same time, it also absorbs polluting substances such as small molecule organic matter leaked from the previous stage,It has obvious adsorption and removal effect on odor, colloid, pigment and heavy metal ions in water,It also has the effect of reducing COD.Can further reduce the SDI value of RO water intake,Guarantee SDI
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Is it necessary for families to install water purifiers? Is the water purifier useful? Whether it is necessary for families to install water purifiers is mainly judged from the following aspects:1. pay attention to whether the water at home is clean;Use a clear water container, take a cup of tap water, and then pour a cup of pure water or compare it with a bottle of mineral water. Put the connected tap water for a few hours to see if the tap water in the Cup has sediment, floating objects, water sources or places with poor water quality. if you can see some impurities or sediment with the naked eye, this is a heavy pollution and needs to be installed urgently. For families with conditions, you can ask professional personnel to check the tap water at home. You can also purchase some professional water quality testing tools for testing. the test data can refer to the introduction of the instructions, or refer to the national water quality testing standards, or local water quality testing standards.2. pay a
