Due to the lack of rain in the south and southeast regions the levels of these minerals in the water is increasing more and more, which generates several problems for which it uses this water.
What is Iron in water?
The iron appears mainly in groundwater due to the dissolution of the ore by the carbon dioxide of the water, according to the reaction: Fe + CO2 + ½ O2 = FeCO3 Ferrous carbonate is soluble and frequently found in water from wells containing high levels of iron concentration. In surface waters, the iron level increases in rainy seasons due to soil transportation and the occurrence of erosion processes in the margins. The contribution due to industrial effluents may also be important, since many metallurgical industries carry out activities to remove the rust from the parts prior to their use, a process known as pickling, which is usually carried out by passing the piece in an acid bath.
In waters treated for public supply, the use of iron-based coagulants causes elevation in their content. Iron, although it does not constitute a toxicant, presents several problems for the public supply of water. It imparts color and flavor to the water, causing stains on clothes and sanitary ware. It also presents the problem of the development of deposits in pipes and iron-bacteria, causing the biological contamination of the water in the distribution network itself. For these reasons, iron constitutes a standard of potability, and the limit concentration of 0.3 mg / L was established in Ordinance 518/04 of the Ministry of Health. It is also a standard for the emission of sewage and classification of natural waters.
What is Manganese?
Description and Uses Manganese (Mn) is a light gray metal that does not occur in the pure (elemental) form, but combined with other substances, such as oxygen, sulfur and chlorine. Natural processes and human activity are capable of modifying manganese compounds. Inorganic Mn (rock-extracted) is used in the manufacture of metal alloys, especially steels, in piles, phosphorus sticks, glassware, fireworks, in the chemical, leather and textile industry, and as fertilizer.
Potassium permanganate is used as an oxidizer, bleach and in the treatment of skin diseases. Organic forms are used in fungicides and smoke inhibitors, among other uses. The metal is also used in small amounts in the drug mangafodipir trisodium (MnDPDP) as contrast in magnetic resonance imaging (MRI).
Behavior in the environment
Manganese and its compounds may exist in the atmosphere in the form of particulate matter, resulting from soil erosion, industrial and volcanic emissions, as well as the burning of gasoline containing TMM. These particles have a half-life of a few days. In the soil, particulate material containing Mn can be transported into the air and the oxidation state of the metal in both the matrix and sediments can be altered by microbiological activity.
Filter for Iron and Manganese
Due to the high content mainly of iron found in water in recent months, each case of water treatment is specific.
We can not only indicate a filter or process of treatment, it is necessary a set of filter, doser and decanter so that we can reduce the level of iron, in some cases the cost of treatment is high due to the quantity of equipment to reach the quantity allowed.
Thus, we indicate that for the treatment of water, first perform the analysis of the water, after that contact our technical team so that from the data of the analysis we can indicate the necessary equipment for the treatment of water.
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