Health

Filters clay are the most efficient in retaining impurities

01/04/2013

The traditional clay filters lost much ground in Brazilian houses. The residences are gradually opting for plastic models, kitchen faucet with filters, purifiers. Another common choice is to buy mineral water. However, this exchange may not be the best choice, since a U.S. study showed considerable efficiency filters of clay.

According to the study, the filters with filtration chamber ceramics are very effective in retaining chlorine, Pesticides, iron, aluminum, lead (95% retention) and still retains 99% of cryptosporidiosis, a parasite that causes disease.

Image | Stefania Ceramics From these data, it is believed that the basic system of filtering water, most previously used by Brazilian is one of world's most efficient. The findings, based on the research were published in the book The Water Drinks Book by Colin Ingram.

The superiority of the filter occurs due to mud system where the water passes slowly through the trickling filter and a reservoir bottom. As the process is slower and the pressure exerted by the water flow is increased, the filter can retain microorganisms and sediments. According to Veja magazine, there are studies that show that this type of filter can retain up to 99% of the particles.

Also according to the research, many current models launched in the market are not useful since it did not prevent dangerous substances such as fluorine or arsenic, hit the pass filtering method.

To enhance the effectiveness of water quality, since there models purifying treatment devices with embedded. Yet the simple clay filters take advantage of being cheaper, as a purifier can cost up to three times more.



Source: UOL - Modern Consumer

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