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Disinfection & Hygiene

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General information about water hygiene

Disinfection solutions are as specific as your industry and your requirements. And that's what makes it so much fun: I like to master challenging tasks because it allows me to bring my innovative systems and many years of engineering experience to bear. The focus is on efficient disinfection with less use of chemicals. This protects the environment, man and machine. And quite incidentally, the operating costs are also reduced. ProMinent offers all methods of disinfection (chlorine dioxide, chlorine gas, ozone, UV light, electrolysis, ECA water and ultrafiltration) and effortlessly combines several disinfection technologies. Not only drinking water is thoroughly cleaned, but also cooling water, swimming pool water and also service and product water in industrial applications. By the way, since our modern disinfection solutions are always intelligent, we call our water treatment Smart Disinfection.

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UV system (Lit-UV)

The large number of hygienically relevant microorganisms that are present in the wastewater even after biological treatment requires adequate treatment of the wastewater before it is discharged into sensitive surface waters and in particular before water is reused. The inactivation of pathogenic microorganisms through wastewater disinfection is a crucial process to protect against waterborne diseases. The aim of the project was to examine various wastewater disinfection processes from the point of view of hygiene, economy and ecology, also with regard to possible water reuse, using test facilities operated in Germany and China. In addition to the dosing of chlorine gas produced on-site, the dosing of chlorine dioxide, ozonation and UV radiation were selected as disinfection methods for the investigation. These different disinfection methods were operated and analyzed in parallel and under identical test conditions, so that a good comparability of the results achieved was ensured. Results: The examined disinfection processes produced a discharge which can also be safely discharged into sensitive surface water and is well suited for reuse purposes. The formation of various disinfection by-products could be detected in the processes of all processes, except for UV radiation. In the processes in which no or too low concentrations of residual disinfectants were detectable in the water, an increase in the number of colonies could be observed after the treated water had stagnated for 24 hours. A significant increase in the concentration of E. coli was not detected after any of the disinfection methods used. A simultaneous elimination of a broad spectrum of trace substances during the wastewater disinfection could only be achieved with ozone.

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Ozone Plant (Xylem)

Disinfection (fumigation) Removal and/or killing of microorganisms, especially pathogens, by physical or chemical processes. Although the term "disinfection" is often equated with sterilization, disinfection is merely killing or inactivating pathogens of communicable diseases, but not all germs. Therefore, on closer inspection, disinfection is a selective sterilization. In the field of water treatment, for example, UV radiation and a strong reduction or increase in temperature can have a disinfecting effect (thermal disinfection). Chemical disinfectants are, for example, alcohol and various chlorine compounds. In some cases, membrane separation processes are also used. The wastewater disinfection of treated wastewater from sewage treatment plants is generally not practiced in northern Europe, whereas it is quite common in southern countries. Water disinfection is also necessary for swimming pool water, among other things. In properly operated swimming ponds, on the other hand, disinfection occurs through a natural balance.

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ECA plant (Envirolyte)

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