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Building-integrated water reuse in combination with urban farming

 
: Gehrke, I.

:

Brebbia, C.A.:
Design and nature III : Comparing design in nature with science and engineering
Southampton: WIT Press, 2006 (WIT transactions on ecology and the environment 87)
ISSN: 1743-3541
ISBN: 1-8456-4166-3
ISBN: 9781845641665
pp.1603-1607
International Conference on Comparing Design in Nature with Science and Engineering <3, 2006, New Forest>
English
Conference Paper
Fraunhofer UMSICHT Oberhausen ()

Abstract
Building-integrated water recycling is aimed at saving water in office buildings and housing complexes by separate collections and afterwards biological treatment of the various waste water streams. Moreover, the combination with aquaponics and hydroponics allows for the production of fresh food, namely vegetables and fish, whereby water for irrigation purposes as well as transport costs for vegetables will be saved. The presented research work comprises two stages: (1) the development and implementation of combined water treatment systems at laboratory scale particularly for black water treatment, and (2) field tests at a representative huge housing complex. As result of the first research phase a liquid fertilizer could be produced by means of a combined process concluding a hydrolysis step, sedimentation, followed by microfiltration. The intended relation of the nutrients was nearly achieved.

: http://publica.fraunhofer.de/documents/N-441993.html