UV Dezinfekcija i hemijski tretman
Today, when water has become very valuable, environmental awareness has encouraged the idea of making purified water suitable for further use through subsequent treatment. The third stage in purification is disinfection of wastewater and is performed: chemically (chlorination) and exposure to ultraviolet (UV) radiation.
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Chlorination
[rc_col_ for wastewater treatment they use chlorination as a disinfection method. Chlorination is the process of adding chlorine compounds to water, the purpose of which is to remove all microorganisms. Chlorine acts on the enzyme system of microorganisms and thus prevents their further division and growth.
Various chlorine compounds are used to disinfect water, chlorine dioxide is used for plumbing, and chlorine gas, sodium hypochlorite and calcium hypochlorite are used for wastewater. [/ Vc_column_text] bottom: 5px! important;} „]
UV disinfection is an effective way to control all bacteria, viruses and spores, including chlorine-resistant pathogens, by causing photochemical changes inside the cells of organisms.
UV radiation extends from 100 to 400 nm in length (between the x-ray and the visible part of the spectrum). Optimal UV radiation is between 245-285 nm. UV disinfection uses: low-pressure lamps emitting a maximum at a wavelength of 253.7 nm, medium-pressure lamps emitting energy from 180 to 1370 nm, and high-intensity lamps (pulse mode). [/ Vc_column_text] [/ vc_column] [/ vc_row]
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