Cascading utilization of waste water and organic waste streams in buildings
Abstract
Building on previous projects (e.g. KREIS in Hamburg) and through the use, expansion and combination of new components and processes and with laboratory tests, a new, innovative material and energy cycle system is to be tested. - The long-term behaviour of the new urine separation toilet (winner of the inter-national competition "Reinventing the Toilet") and the separation of flushing water and solids will be investigated experimentally and empirically. - Plant fertiliser and service water are recovered from urine and digested sludge water. The Eawag urine recycling process is being extended and tested to include nutrient recovery from digestate water, so that nutrients can also be recovered from this fraction. - Recording and optimising the separation of medicines, drugs and hormones from fermentation residue water. - The high-temperature fermentation and biogas production of faeces and food waste is optimised through research and the minimum volume is determined. For this purpose, the hygiene, the process-related robustness in the case of faecal waste and by injected household chemicals will also be checked. - The biogas obtained is analysed in terms of time, quality and quantity, and the electricity and heat potential is calculated via fuel cell or microturbine. - Concepts for the use of food waste from households will be investigated in terms of process technology and construction. - User acceptance and user preferences are surveyed. - Concepts for the use of digestate via carbonisation processes and phosphate recovery are analysed and evaluated. Translated with www.DeepL.com/Translator (free version)
waste water hydrothermal carbonization pyrolysis biochar nutrient recycling
Publikationen
Project staff
Christoph Pfeifer
Univ.Prof. Dipl.-Ing. Dr.techn. Christoph Pfeifer
christoph.pfeifer@boku.ac.at
Tel: +43 1 47654-89301, 89351
Project Leader
01.10.2021 - 30.09.2024
Gerhard Soja
Priv.-Doz. Dipl.-Ing. Dr. Gerhard Soja MSc.
gerhard.soja@boku.ac.at
Tel: +43 1 47654-89362
Project Staff
01.10.2021 - 30.09.2024
Gregor Tondl
Dipl.-Ing. Dr. Gregor Tondl
gregor.tondl@boku.ac.at
Tel: +43 1 47654-89354
Project Staff
01.10.2021 - 30.09.2024