How to properly treat drinking water to obtain healthy drinking water is the ultimate goal of our water purification. Activated carbon is the best material for water purification. How to improve the performance of activated carbon and maximize its advantages, all countries are studying the modified activated carbon. Silver-loaded activated carbon is one of them, and France has made new breakthroughs in this field. This article introduces the research results of France in this respect, in order to attract the attention of China's activated carbon industry and water treatment industry.
Activated carbon (GAC) has been widely used in the conventional treatment and advanced treatment of water. Due to the physical properties of activated carbon - super strong adsorption capacity, it can be used to adsorb the unpleasant taste, residual chlorine, bleaching and so on. It has become one of the most mature and effective methods for removing organic pollutants from water. Studies at Tsinghua University in China have found that activated carbon also removes mutagenic substances from chlorination in water.
The silver-loaded activated carbon is used as a water treatment medium, and the treated water quality has the following characteristics:
It can effectively remove residual chlorine, heavy metals and organic pollutants; the silver on the surface of activated carbon will not fall off; the taste is obviously improved; the treated water retains the natural minerals beneficial to the human body; the water quality is alkaline; the dissolved oxygen increases by 30% on average. It has long-lasting effect on inhibiting bacteria, viruses and algae; especially in the production of bottled water, it can be stored for a long time without additional ozone disinfection treatment. And the treated water is not easy to scale. It meets the water quality standards recognized by domestic and foreign experts for healthy water.
After the activated carbon is loaded with silver, a trace amount of silver is distributed on the surface, which can act as a catalytic active center. This active center absorbs the energy of the environment and activates the air adsorbed on the surface of the activated carbon and the oxygen in the water to produce hydroxyl radicals (·OH) and reactive oxygen ions (O2-). These substances have strong oxidizing power and can destroy bacteria. The ability of cells to proliferate to achieve the purpose of inhibiting bacteria or killing bacteria.
The technical breakthrough of silver-loaded activated carbon is a major advancement in drinking water treatment technology. It provides us with a safe and reliable water purification medium. It not only solves the problem of purification of drinking water, but also solves the problem of storage and preservation of purified water. This new type of silver-loaded activated carbon has broad application prospects and will inevitably generate huge economic and social benefits.
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