Characterization of Urine Supernatant Following Struvite Precipitation for Space Colonization Applications

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Characterization of Urine Supernatant Following Struvite Precipitation for Space Colonization Applications

Thompson, Moriah S. / Guest, Sara S. / Camacho, Julianna G.

Long term space habitation on the moon or mars will require a constant food and water supply. Struvite, the precipitate formed in urine, can be used as a nutrient source for the growth of crops. The supernatant remaining after precipitation is a water source that must be reclaimed in order to maintain a constant water supply. The objective of this investigation was to characterize the urine supernatant in order to facilitate the development of a water reclamation method. Additionally, the investigation sought to identify any potential benefits of the urine supernatant for other applications on a space habitat. The high levels of organic contaminants found within the urine supernatant indicated that a combination of biological, physical, and chemical treatments must be employed in order to reclaim the urine supernatant as potable water. The urine supernatant also displayed a buffer capacity that could be useful in applications such as maintaining pH within the wastewater collection tank.

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Document information

Title :

Characterization of Urine Supernatant Following Struvite Precipitation for Space Colonization Applications

Contributors:

Thompson, Moriah S. (author) / Guest, Sara S. (author) / Camacho, Julianna G. (author)

Conference:

11th Biennial ASCE Aerospace Division International Conference on Engineering, Science, Construction, and Operations in Challenging Environments ; 2008 ; Long Beach, California, United States

Published in:

Earth & Space 2008 ; 1-7

Publication date :

2008-09-04

ISBN :

9780784409886

DOI :

https://doi.org/10.1061/40988(323)95

Type of media :

Conference paper

Type of material :

Electronic Resource