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Vermicomposting of brown water sludge using the Rottebehälter system as a component of ecological sanitation with urine diverting flush toilets

Description: Das Projekt "Vermicomposting of brown water sludge using the Rottebehälter system as a component of ecological sanitation with urine diverting flush toilets" wird vom Umweltbundesamt gefördert und von Technische Universität Hamburg-Harburg, Institut für Abwasserwirtschaft und Gewässerschutz B-2 durchgeführt. A research project has been initiated at the Hamburg University of Technology under the supervision of Prof Ralf Otterpohl, director of the institute of municipal and industrial wastewater management. This project has brought together the vermicomposting and the Rottebehälter technology, where worms has been applied to fresh brown water sludge in a pilot plant connected to the toilets in the university building. Flush toilets are in use with the system, for most ecosan applications urine sorting would be implemented. The disadvantages over dry systems is the water consumption and the pathogenic filtrate from the filter-units. However, there are very many situations around the world where dry systems are either not technically feasible, not accepted or difficult because of wet anal cleaning. It will be a good idea to combine with low-flush toilets. Originally Rottebehälter are meant to replace septic tanks and they are a good alternative avoiding methane emittions and poducing a much more usable material. With this system the water level loses 1,5 to 2 meters, making application more feasible in ground with a good gradient. Worm application will help to get to real composting over the idle phase, rather than the usual pre-composting. The first results with the collected still very wet blackwater were extremely successfull, the the worms have converted the the material into a moist earth-like material over a 3 months period without any additives. One or two further month will produce an excellent humus provided it will not become too dry. Temperatures should not be too low, the TUHH lab plant on technical scale opearates above 17 degree C. Different species are being currently researched in different temperatures. The combination of these two technologies has a very good potential to be applied in rural and peri-urban areas in both high and low income countries. Worms can also improve the performance of dry earth toilets and help sanitising.

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SupportProgram

Origin: /Bund/UBA/UFORDAT

Tags: Kompost ? Worms ? Vermikompostierung ? Klosett ? Hamburg ? Urin ? Humus ? Kompostierung ? Schwarzwasser ? Würmer ? Zusatzstoff ? Klärgrube ? Filter ? Gebäude ? Industrieabwasser ? Methan ? Sortierung ? Temperatur ? Wasserverbrauch ? Tankbehälter ? Abwasserwirtschaft ? Auslaugung ? Dosis ? Ersatzstoff ? Filtration ? Konsum ? Lüftung ? Management ? Technik ? Gewässerschutz ? Reinigung ? Wasser ? Boden ? Verbreitungsgebiet ? Leerlaufbetrieb ? Forschungsprojekt ? Einkommen ? Hygienisierung ? Urbaner Raum ? Versuchsanlage ? Wasserstand ? Fläche ? Abwasser ? Potenzial ? Leistungsfähigkeit ? angewandt ? ein- ? extrem ? industriell ? neu ? spülen ? unter ? Länder ? Mischung ? Neuartige Sanitärsysteme ? Projekt ? Projektstudium ? Schlammwasser ? Bepflanzung ? Güter ? Universitätsgebäude ? Ergebnis ? Hilf ? Kulturtechnik ? Verbrauch ? Land ? Gewässersystem ? Werkzeug ? alternativ ?

Region: Hamburg

Bounding box: 9.99302° .. 9.99302° x 53.55073° .. 53.55073°

License: cc-by-nc-nd/4.0

Language: Deutsch

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Time ranges: 2002-09-01 - 2005-10-31

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