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A Water Recovery System Evolved for Exploration
Technical Paper
2006-01-2274
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A new water recovery system designed towards fulfillment of NASA's Vision for Space Exploration is presented. This water recovery system is an evolution of the current state-of-the-art system. Through novel integration of proven technologies for air and water purification, this system promises to elevate existing technology to higher levels of optimization.
The novel aspect of the system is twofold: Volatile organic contaminants will be removed from the cabin air via catalytic oxidation in the vapor phase, prior to their absorption into the aqueous phase, and vapor compression distillation technology will be used to process the condensate and hygiene waste streams in addition to the urine waste stream.
Oxidation kinetics dictate that removal of volatile organic contaminants from the vapor phase is more efficient. Treatment of the various waste streams by VCD will reduce the load on the expendable ion exchange and adsorption media which follow, and on the aqueous-phase volatile removal assembly further downstream. Incorporating these advantages will reduce the weight, volume, and power requirements of the system, as well as resupply.
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Citation
O'Rourke, M., Perry, J., and Carter, D., "A Water Recovery System Evolved for Exploration," SAE Technical Paper 2006-01-2274, 2006, https://doi.org/10.4271/2006-01-2274.Also In
References
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- Flynn, Michael T. “The Development of the Vapor Phase Catalytic Ammonia Removal (VPCAR) Engineering Development Unit” SAE # 2004-01-2495 34th International Conference on Environmental Systems Colorado Springs, Colorado July 2004
- Wickham, David et al. “Results of VPCAR Pilot Scale and System Level Tests for the Selective Oxidation of Ammonia to Nitrogen and Water” SAE # 2005-01-3034 35h International Conference on Environmental Systems Rome, Italy July 2005
- Schunk, G. Roman, M. “Preliminary Sizing and Characterization of an Advanced Environmental Control and Life Support System for a Lunar Habitat” Habitat Structures Study Team, MSFC Technology and Capability Development Project Office 2005