Effect of recycle ratio on the performance of biological water recovery system

W. Andrew Jackson, Audra Morse, Tania Ho, Greg Collins

Research output: Contribution to journalConference articlepeer-review


Biological pre-treatment of liquid waste could potentially offer equivalent mass savings for long term space habitation. Previous work has demonstrated the technological feasibility. However, limited work has been conducted on optimizing the biological reactors or fully characterizing the biochemical transformations occurring within the reactors. The objective of these studies was to provide long-term operating data on a proposed and well studied reactor configuration, and explore the effects of RR on system performance. The water recovery system has been in successful operation for over 2 years. Data to be presented will include both typical removal efficiencies for nitrogen species, DOC as well as important water quality parameters. In addition the effect of recycle ratio (2X, 5X, 10X, and 20X) will be quantified.

Original languageEnglish
JournalSAE Technical Papers
StatePublished - 2004
Event34th International Conference on Environmental Systems, ICES 2004 - Colorado Springs, CO, United States
Duration: Jul 19 2004Jul 22 2004


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