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Drinking Water Pesticides Elimination

Drinking Water Pesticides Elimination

The fact that the presence of pesticides in drinking water can cause severe health problems, these compounds are considered as hazardous according to the current European legislation. In Spain, the RD 140/2003 establishes a maximum permitted concentration in drinking water of 0’5 μg/l as the sum of all pesticides and 0’1 μg/l as an individual pesticide. On certain occasions, thiazine compounds used in agricultural herbicides can be found in water (simazine, atrazine, terbuthylazine, terbumeton, etc.). These natural organic compounds have low water solubility and are easily eliminated with activated carbon. Since adsorption is done by mesopores, it is recommended to use mineral based activated carbon that offers high versatility in the adsorption of other organic pollutants (geosmines, precursors for trihalomethanes, etc.). In the case of considering the use of granular activated carbon for this application, it is recommended to use GMI 1240/1 S activated carbon.

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