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Trickling Filter for Urea and Bio-waste Processing – Dynamic Modeling of Nitrogen Cycle

Zhukov, Anton and Tertilt, Gerin and Hauslage, Jens and Bornemann, Gerhild (2014) Trickling Filter for Urea and Bio-waste Processing – Dynamic Modeling of Nitrogen Cycle. In: 40th COSPAR Scientific Assembly 2014. 40th COSPAR Scientific Assembly 2014, 2. - 10. August 2014, Moskau, Russland.

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Official URL: https://www.cospar-assembly.org/admin/session_cospar.php?session=469


Mankind's exploration of the solar system requires reliable Life Support Systems (LSS) enabling long duration manned space missions. In the absence of frequent resupply missions, closure of the LSS will play a very important role and its maximization will to a large extent drive the selection of appropriate LSS architectures. One of the significant issues on the way to full closure is to effectively utilize biological wastes such as urine, inedible biomass etc. A very promising concept of biological waste reprocessing is the use of trickling filters which are currently being developed and investigated by DLR, Cologne, Germany. The concept is called Combined Regenerative Organic-Food Production (C.R.O.P.) and is based on the microbiological treatment of biological wastes and reprocessing them into aqueous fertilizer which can directly be used in a greenhouse for food production. Numerous experiments have been and are being conducted by DLR in order to fully understand and characterize the process. The human space exploration group of the Technical University of Munich (TUM) in cooperation with DLR has started to establish a dynamic model of the trickling filter system to be able to assess its performance on the LSS level. In the first development stage the model covers the nitrogen cycle enabling to simulate urine processing. This paper describes briefly the C.R.O.P. concept and the status of the trickling filter model development. The model is based on enzyme-catalyzed reaction kinetics for the fundamental microbiological reaction chain and is created in MATLAB. Verification and correlation of the developed model with experiment results has been performed. Several predictive studies for batch sequencing behavior have been performed, demonstrating a good capability of C.R.O.P. concept to be used in closed LSS. Achieved results are critically discussed and way forward is presented.

Item URL in elib:https://elib.dlr.de/94508/
Document Type:Conference or Workshop Item (Speech)
Title:Trickling Filter for Urea and Bio-waste Processing – Dynamic Modeling of Nitrogen Cycle
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Zhukov, AntonTechnical University of Munich, Chair of Aeronautics, Munich, GermanyUNSPECIFIED
Tertilt, GerinDLR Institut für Luft- und Raumfahrtmedizin, Biomedizinisches Wissenschaftsunterstützungszentrum, AG Gravitationsbiologie, Köln & TU München, Lehrstuhl für Raumfahrttechnik, MünchenUNSPECIFIED
Hauslage, JensDLR Institute of Aerospace Medicine, Biomedical Research, Cologne, GermanyUNSPECIFIED
Bornemann, GerhildDLR Institute of Aerospace Medicine, Biomedical Research, Colonge, GermanyUNSPECIFIED
Date:7 August 2014
Journal or Publication Title:40th COSPAR Scientific Assembly 2014
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:trickling filter, life support systems, modeling, nitrogen cycle, enzyme-catalyzed reaction kinetics
Event Title:40th COSPAR Scientific Assembly 2014
Event Location:Moskau, Russland
Event Type:international Conference
Event Dates:2. - 10. August 2014
Organizer:Lomonosov Moscow State University
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Vorhaben Biowissenschaftliche Nutzerunterstützung
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Biomedical Research
Deposited By: Duwe, Helmut
Deposited On:21 Jan 2015 10:34
Last Modified:21 Jan 2015 10:34

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