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DO YOU KNOW WHAT ARE POA’S AND THE MAIN APPLICATIONS?

The acronym “POA’s” stands for “Advanced Oxidative Processes”. POA’s are systems based on the reaction between potent oxidants or between oxidants and metal catalysts, in some under the action of irradiation, which are dissociated to generate hydroxyl free radicals (● OH), highly oxidizing, unstable and non-selective substances that MINERALIZE A ORGANIC MATERIAL PRESENT IN THE SEWAGE TO CARBON DIOXIDE, WATER AND INORGANIC ICONS.

In addition to the removal of part of the organic matter, the POA’s can remove compounds such as phenols, chlorophenoids, alcohols, dyes, aromatics, among others, being an excellent alternative for the removal of several classes of compounds. The removal efficiencies of these compounds are difficult in biological systems.

Although it is known in the area of ​​environmental sanitation (soil remediation and water treatment), the use and diffusion of this type of technology is still small in Brazil. Companies have been struggling in recent years, together with universities, to diffuse it in the treatment of water and effluents.

The illustration shows the various types of POAs used in the effluent and water treatment system.

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