Grey water treatment under microgravity conditions: Mass transfer and kinetic studies

Mohammed Sidhoum, Christos Christodoulatos, Elena Ponce-Garcia, Agamemnon Koutsospyros

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

An aerobic pressurized bioreactor system to treat grey water under microgravity conditions has been developed. The treatment system consists of a packed bed bioreactor and an oxygenation device attached to an external re-circulation line. The membrane module provides bubble-free oxygen, at very high concentrations and transfer efficiency. Mass transfer characteristics of the oxygenation module have been studied. Oxygen mass transfer in water is described using a resistance-in-series model. A generalized mass transfer correlation that predicts the oxygen mass transfer coefficient has been developed. Experiments have been conducted to study the nitrification of grey water at various residence times.

Original languageEnglish
JournalSAE Technical Papers
DOIs
StatePublished - 2003
Event33rd International Conference on Environmental Systems, ICES 2003 - Vancouver, BC, Canada
Duration: 7 Jul 200310 Jul 2003

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