Fluidized Bed Biodenitrification Process
2006
Wendt, T. M. | Heider, Jr | P. F. | Kaplan, A. M.
A fluidized bed biodenitrification process was operated at bench-scale on simulated high nitrate waste waters. Early results with a cylindrical column were poor but very markedly improved with a change to a conical shaped column. Nitrate reduction efficiency with the conical column was excellent using either conventional alcohol carbon/energy sources or less conventional dairy whey and sugar beet molasses carbon/energy sources. Suitable conditions for the fluidized bed process were ensured by operating more conventional deep packed bed and mixed vessel systems concurrently with the fluidized bed. The fluidized bed process can be operated continuously with stable, highly efficient nitrate removal efficiency over long time periods on simulated munitions manufacturing westewater high in nitrate.
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