Novel sanitary systems

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Novel sanitary systems (NASS) describes innovative circular wastewater solutions with the aim of reusing water and (nutrient) material flows. Novel sanitary systems are based on the separation of water flows that are mixed in the conventional system. A distinction is generally made between 2-material flow systems ( gray water , black water ) and 3-material flow systems (gray water, yellow water , brown water ). The new types of sanitary systems are not only aimed at the better utilization of waste water constituents (such as nutrients and organic substances), but also at increasing the resource efficiency of the sewerage and sewage treatment systems . In German urban water management, they are discussed intensively within the responsible scientific and technical specialist association DWA , in particular by the KA-1 technical committee and its working groups.

New sanitary systems allow

• the use or recycling of material and water flows in the respective catchment area under consideration ,
• the provision of cost-effective alternatives to existing systems,
• the offer to complement the conventional water supply and sewage disposal system
• the presentation of an extended range of procedures (also for use abroad).

New types of sanitary systems are no longer only implemented on a model scale, but also on a district level (e.g. in Hamburg (Jenfelder Au) and in Qingdao ). DWA technical standards are in preparation.

See also

• Hamburg Water Cycle

literature

• DWA innovative sanitary systems. Subject volume Hennef 2008
• DWA "Do we need innovative sanitary systems in Germany?" Hennef 2010

Web links

• Expert Committee KA-1 Novel Sanitary Systems (NASS)
• Teaching materials: Novel sanitary systems (Bauhaus University Weimar)

Individual evidence

1. ↑ Ch. Schneider Novel Sanitary Systems: Workshop of the KA-1 Technical Committee and its working groups ( Memento of the original from April 2, 2015 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Correspondence waste water, waste 55 (2008: 842–846) 
2. ↑ J. v. Horn u. a. Which new sanitary systems (NASS) are particularly promising for Germany? Correspondence Abwasser, Abfall 60 (2013), 8, 673–683.
3. ↑ NASS: wastewater utilization instead of wastewater disposal
4. ↑ S. Walter Clean Water for Qingdao . UmweltMagazin 9/2014, p. 14
5. ↑ T. Hillenbrand (2012): DWA-A 272 - New DWA worksheet for the implementation of novel sanitary systems. In: New water infrastructure concepts in urban planning: Including the results of the research project Sanitary Recycling Eschborn. Hennef 2012, pp. 123–135 and Klaus W. König Novel sanitary systems in the DWA regulations.