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Prototype Space Mission SEBAC Biological Solid Waste Management System
Technical Paper
2004-01-2466
ISSN: 0148-7191, e-ISSN: 2688-3627
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Language:
English
Abstract
This paper reports on fabrication, installation, start-up and shakedown of a full-scale prototype solid waste management system designed to be a principal component in a bio-regenerative solid waste management system to support a 6-person crew on long-term space missions. System design is based upon a patented process for odorless bioconversion of organic solid wastes to biogas and compost by anaerobic digestion. The system consists of five reactors and two gas-liquid separators designed for operation under conditions of micro-gravity. During any week of operation, one reactor is used for feed collection and compaction, three for stage-wise anaerobic composting, and one for post-treatment aerobic stabilization, while simultaneously serving as a bio-filter in the pretreatment of cabin air within the air revitalization subsystem. Each reactor carries its one-week charge of feedstock through all five stages of bioconversion in completing a five-week sequential batch cycle. Preliminary operating performance for the anaerobic stages is presented, along with plans for further design improvement and integration with other ALS subsystems.
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Authors
- Arthur A. Teixeira - Agricultural and Biological Engineering Department, University of Florida
- David P. Chynoweth - Agricultural and Biological Engineering Department, University of Florida
- John M. Owens - Agricultural and Biological Engineering Department, University of Florida
- Elana Rich - Agricultural and Biological Engineering Department, University of Florida
- Amy L. Dedrick - H. Lee Moffitt Comprehensive Cancer Center and Research Institute
- Patrick J. Haley - Ixion Biotechnology, Inc.
Topic
Citation
Teixeira, A., Chynoweth, D., Owens, J., Rich, E. et al., "Prototype Space Mission SEBAC Biological Solid Waste Management System," SAE Technical Paper 2004-01-2466, 2004, https://doi.org/10.4271/2004-01-2466.Also In
References
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