Hycleen Des 30 - Security of drinking water

Security of drinking water Hycleen Des 30 for an environmentally friendly, electroactivated disinfection with sodium hypochlorite

Top grade drinking water is vital Top grade drinking water is an essential prerequisite for a healthy life and economic prosperity since this key resource – sometimes also called “blue gold”- cannot be simply substituted by any other. However, various factors increasingly impair our water quality. Drinking water of high qual- ity and free of pathogens is indispensable for a healthy life. Biofilm – habitat for bacterial cells in drinking A question of hygiene and prevention water distribution In terms of hygiene and prevention high drinking water Together with the drinking water bacteria are distributed quality is particularly important in hospitals, rehabilita- to and in every home and form a so-called biofilm where- tion centres, retirement homes, nursing homes, resi- ever they find nourishment. Piping systems and valves in dential complexes, hotels, holiday resorts, sports facili- the domestic distribution lines provide them with ideal ties, spa baths, schools, daycare centres, administrative conditions. Long stagnation periods and water tempera- buildings, indoor event venues, military facilities and pe- tures ranging from 25 to 50°C contribute to a proliferation nal institutions. of bacteria such as Legionella and Pseudomonas, which On the other hand, maintenance of piping systems in do- may cause infections in immunocompromised individu- mestic distribution lines and periodic checks of the drink- als. ing water quality tend to be neglected, with grave effects; securing top-grade drinking water often proves difficult in large residential properties. However, in view of tight- ened legal regulations facility operators are pushed to take measures to ensure high drinking water quality to avoid complaints, negative publicity, loss of revenue or even criminal penalties. 2

Four steps for optimum drinking water hygiene Looped installation Only top grade products used in the installation Prevention • Hydraulic calibration of the entire installation • Protection from lime scale if necessary 01 • Periodic cold water flushing Risk assessment 04 02 Monitoring • Assessment of drinking • Temperature monitoring water quality based on • Drinking water sampling various indicators 03 Intervention • Thermal disinfection • Chemical disinfection The integral drinking water hygiene concept In order to ensure high-quality drinking water at any time, the cold water as well as the hot drinking water supply needs to be considered as one integral system. That is why, with newly-built or planned properties preventive measures should be considered to minimize disturbances during operation. For existing properties preventive measures, however, should be supplemented with intervention measures. Ideal solution for existing properties disinfection, on the other hand, are ideal in terms of The integral water hygiene concept comprises four areas: intervention. Prevention, monitoring, intervention and risk assessment. This approach to secure drinking water hygiene offers GF JRG provides the perfect solution: an environmentally numerous advantages especially for existing properties friendly, highly efficient electroactivated disinfection unit because their given condition can be considered when - the Hycleen Des 30. Many years of experience show that restoring high-quality drinking water. As refurbishments this unit also treats old installation materials with care are executed in stages, preventive measures can often and therefore proves to be ideal for existing properties. be carried out only occasionally, thermal or chemical 3

Hycleen Des 30 – the systematic disinfection unit The Hycleen Des 30 unit generates the required electroactivated disinfectant with natriumhypo- chlorit on site. Years of experience with regard to drinking water additives have set high and unique standards. Environmentally friendly disinfection using water and salt Water + salt + Electroactivated electricity disinfectant with Top grade drinking water natriumhypochlorit The systematic solution Hycleen Des 30 uses only softened drinking water and high-purity salt to produce its highly effective disinfectant which is characterized by high reliability, minimal by-products and the lowest corrosion potential. After inoculating the drinking water with the electroactivated disinfectant, the solution is neutralized down the drain within a short time keeping the environmental impact low. The Hycleen Des 30 unit offers facility operators key advantages when disinfecting their drinking water systems: • Highly effective disinfectant against bacteria – small amounts are sufficient (fully compliant with the minimization principle) • Depot effect in the entire drinking water installation system • Approved disinfectant under Drinking Water Ordinance Sect. 11 • Low risk application; easy to use • Low risk application – no transport/no storage of dangerous chemicals • No micro-biologically induced corrosion • No development of resistance in micro-organisms; biofilms are removed • Does not impair the lifetime of GF JRG products; years of experience • Environmentally friendly disinfectant • Cost-effective technique 4

System structure for drinking water disinfection Feed unit Flow meter with scaler Feed unit with shut-off Meters the flow rate. and check valves. Vent Voltage 230 V Propor- tioning pump Ion exchanger System separator Filter 5 µm Drain Drain Hycleen Des 30 Monitoring Contains a membrane reactor, A measuring unit can be used to which produces the electroactivated monitor the chlorine concentration disinfectant with natriumhypochlorit. and other parameters. Soft water with 0-4 °TH must be provided. The Hycleen Des 30 is the heart of the whole system and is automatically operated by a central con- trol. For its use on the domestic water inlet further peripheral devices such as system separator, ion exchanger, pre-filter, flow meter, proportioning pump and feed unit must be allowed for and ad- justed to the type of property. Uncomplicated system configuration The Hycleen Des 30 is the heart of the whole system The Hycleen Des 30 system comprises three tanks. and is automatically operated by a central control. For The tank with Calzid-Ex is used to automatically clean its use on the domestic water inlet further peripheral the reactor at intervals. The high-purity saline solution devices have to be allowed for and adjusted to the type is produced in the large tank whereas another of property. tank contains the disinfectant. 5

High efficiency, long life Numerous customers have used the electroactivated disinfectant with natriumhypochlorit for more than ten years and confirm its high efficiency against bacteria such as Legionella and Pseudomonas. Using the Hycleen Des 30 unit does not impair the lifetime of GF JRG materials - neither in cold nor in hot water lines. Drinking water hygiene is vital in these facilities • Hospitals and rehabilitation centres • Old people’s homes and nursing homes • Residential complexes, hotels and holiday resorts • Sports facilities • Spa baths • Schools and daycare centres • Administrative buildings • Indoor event venues • Military facilities • Penal institutions References GF JRG engineers faced special challenges when securing the drinking water quality in large existing properties such as shown in the references below. Residential village in Germany totalling 20 houses and a central water distribution Challenge: Only occasionally occupied and used properties resulting in long stagnation periods of drinking water. Hospital in Germany totalling 680 rooms Challenge: 20-year old drinking water distribution with various microbiological loads. Sports and Indoor Event venue St. Jakob in Basel Challenge: Greatly varying consumption rates of drinking water resulting in microbiological loads in the course of years. 6

Specifications The Hycleen Des 30 unit generates an natriumhypochlorit disinfectant on site that is highly effec- tive against germs, bacteria, biofilm, and viruses. Description Unit Value Production volume (neutral anolyte) l/h 30 Free chlorine in natriumhypochlorit (EN 901) mg/l < 200 Production volume NaOCl/NaOH l/h 20/20 Disinfectant type neutral anolyte or anolyte selectable Connection dimension disinfectant tanks DN 8 Drinking water inlet pressure bar 3 - 10 System pressure bar 1,8 Process adjuvant - high-purity saturated saline solution g/l 0 - 2,0 Operation Switch 4 Automatic process control PLC Level monitoring disinfectant, Calzid-Ex Switch inductive In-process cleaning with Calzid-Ex (organic acid mixture) automated Consumption of Calzid-Ex depending on drinking water hardness Operating temperature in the room °C 15 - 35 Relative humidity % < 45 Protection class IP 54 Connections Power inlet (frequency 50 Hz) V AC 230 ± 10% Power consumption W 350 Fuse A 13 Drinking water connection DN 15, AG ½“ Drinking water volume l/h 50 Unit feed water hardness °dH < 2 Drinking water temperature °C 15 - 22 Minimum drinking water pressure at the unit inlet bar 3,0 Minimum drain connection DN 65 Drain connection (pipe diffusion sealed) DN min. 20 Ventilation m3/h 20 Saline solution tank l 100 Natriumhypochlorit tank l 60 Calzid-Ex tank l 60 Dimensions (W x H x D) 1472 x 1750 x 574 Wall mounting (W x H) 1800 x 2000 Unit weight (tank empty) kg 90 Unit weight (tank full) kg 235 Certification CE approved Approval of the disinfectant German Drinking Water Ordinance Sect. 11 Maintenance interval annual Additives High-purity salt kg 25 Calzid-Ex kg 25 7

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