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The design and use of aerated microcosms inmineralization studies |
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| Authors: | Andreas Haderlein Marie-Claire Bonin Aly-Hassan Robert Legros Bruce A Ramsay |
| Institution: | (1) Department of Chemical Engineering, École Polytechnique de Montréal, Centre-Ville, Montréal, Québec, Canada, H3C 3A7;(2) Department of Chemical Engineering, Queens University, Kingston, Ontario, Canada, K7L 3N6 |
| Abstract: | The need for aeration of microcosms duringmineralization of 14C-labeled compounds in highoxygen demand environments was assessed using activecompost-soil mixtures as the model system. Rapidmineralization of 14C-hexadecane occurred incontinuously aerated microcosms while nomineralization occurred in unaerated microcosms. Dailyflushing with air also yielded no mineralization.Mineralization of 14C-glucose was much lessdependent on aeration. The alkaline solution volumeand number of CO2 traps required for continuousaeration were calculated and tested experimentally. |
| Keywords: | Aeration bioremediation composting glucose hexadecane microcosm |
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