Taking into account the possibility of drinking water sources and transport in the process has been contaminated, then there is a depth of drinking water filters and other purification devices on really Youqibiyao up. Home drinking water filtration devices on the market good show arrhythmia, each product name of "the purest, natural" or "natural mountain mineral water" and so on banner advertising background are the simplicity of rural scenery, snow-covered mountains and The most pristine water. Health, purity and vitality are the subject of these ads to attract health-conscious consumers to buy these products. Then, when consumers see dazzling, one should choose which kinds of products? This tends to make everyone a headache. In fact, if the first drinking water filters have a preliminary understanding, the choice is even easier to handle. Here will be a brief one under way to purify drinking water, in order to make consumers more aware of ordinary drinking water filter, then select them in the market when the depth of drinking water purification devices will be more confident.
Currently, there are two different methods of purifying drinking water market mainly: خربزه 1. Mechanical filtration. Mechanical filtration is to let the water through the filter media Grade A or Grade pores larger than the pore size of the water substances are trapped and removed. Such filters can be connected to the faucet or water containers, typically greater than 25 microns to remove the impurities (like a human hair is one of 100 microns), but not the removal of bacteria and parasites, as their size is less than 20 microns, and can not remove inorganic or organic compounds, heavy metals, minerals and other elements. Therefore, this type of filter is often associated with activated carbon, activated charcoal can absorb water because خربزه the solubility of chemical contaminants, chlorine in water is also removed activated carbon. The disadvantage of such filters is processing a small amount of water, because of their filtration rate is limited, if the speed is too fast, the filter will reduce the processing efficiency, the choice of such a filter must be used to control the filtration rate. Also the use of activated carbon in the given time one will lose the ability to adsorb pollutants, but with the extension of bacterial filtration time will grow on the filter media, re-contamination of purified water. So these filters need regular replacement. In order to increase the amount of water filtration tank filter can be chosen. One such filter is generally 25 to 50 cm long, connected by pipes and valves خربزه and faucets. Another one class closet filter is directly connected to the water supply pipe. These filters are also used different pore filter خربزه media and activated carbon adsorption method of combining, each dealing with a few hundred liters of water after the need to replace the filter media or activated carbon. According to the need of different sizes can be made to remove the pollutant filters, the removal of the object is typically 25 microns or more, but then decreases microporous filtration medium may also remove from 5 m or more impurities. In this case, most of pathogenic microorganisms can be removed, but the immune system is impaired users into one still further processing. One of these manufacturers add a small amount of disinfectant in the filter. Like all one kind of filter, these water purification devices also need regular cleaning, replacement.
2. Ion exchange process. The second method is an ion exchange خربزه purification. خربزه This method is used to handle most water calcium and magnesium ion content of hard water, خربزه after appropriate خربزه adjustments can remove nitrates, lead and fluorine. Ion exchange rely mainly on the role of ion exchange resins. Sodium chloride groups on the resin, when the water passes through the resin, water, calcium, magnesium and other metal ions replace sodium ions and chlorine combined. When the sodium ions on the resin are replaced with the resin on the failure and the loss of its function, خربزه and then rinse the resin (resin regeneration) with a sodium chloride solution, the resin can resume processing. Such processing equipment more expensive. Therefore recommended that only those drinking خربزه water hardness more than 150 mg / l when using. Because this will reduce خربزه the effect of water hardness detergent, leaving the pipes due to fouling and other appliances خربزه plugged. If the water hardness is less than 150 mg / l, the use of ion exchange purification technology on the economy, said the average consumer does not pay.
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