Comprehensive trade study of biological systems for primary treatment in an integrated water processing system

Kyle Kubista, W. Andrew Jackson, Audra Morse

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Biological processes offer an alternative approach to treatment of waste streams for water recycling during long term space missions. The combination of biological pretreatment with downstream physiochemical processes may be able to produce potable water at a lower equivalent system mass (ESM) compared to systems composed of only physiochemical processes. Several biological configurations exist for the removal of carbon and nitrogen. To date, no studies have comprehensively evaluated the relative ESM of each system. The configurations evaluated include: 1) membrane aerated biological reactor for simultaneous nitrification/denitrification, 2) membrane aerated biological reactor for nitrification in sequence with a packed-bed reactor for denitrification and organic carbon removal, 3) a pre-carbon oxidation reactor followed by a membrane aerated biologicalreactor for nitrification, and 4) an extended membrane aerated biological reactor for nitrification and aerobic carbon oxidation. We report on the systems, analysis and results including a detailed discussion of the inputs of the ESM analysis, methodology for determining reactor size and mass, and the implications of each system on downstream processing and reliability.

Original languageEnglish
Title of host publication42nd International Conference on Environmental Systems 2012, ICES 2012
StatePublished - 2012
Event42nd International Conference on Environmental Systems 2012, ICES 2012 - , United States
Duration: Jul 15 2012Jul 19 2012

Publication series

Name42nd International Conference on Environmental Systems 2012, ICES 2012

Conference

Conference42nd International Conference on Environmental Systems 2012, ICES 2012
CountryUnited States
Period07/15/1207/19/12

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