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AssigneeNational University of Ireland
InventorsMichael Rodgers, John Mulqueen, Rose Mulqueen, Aoife Lambe, Liwen Xiao, Eoghan Clifford, John Prendergast
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The present invention provides a reactor for the biological processing of fluid such as domestic or industrial waste water or the like, the reactor comprising a plurality of substantially horizontal layers of growth medium stacked one above the other, and having a colonizing biofilm thereon during use, the reactor being arranged to cause the path of flow of the fluid to reverse from one layer to the next, in order to maximize the length of the path of flow for a given footprint of the reactor.
A biofilm reactor comprising a plurality of, in use, substantially horizontal layers of growth medium arranged in a stacked array, each layer having a fluid entrance end and a fluid exit end, the exit end of each layer being in fluid communication with the entrance end of the layer therebeneath.
A method of biologically treating a fluid, the method comprising the step of causing the fluid to flow sequentially over a plurality of substantially horizontal layers of growth medium having a biofilm thereon, the direction of flow of the fluid being caused to reverse from one layer to the next.
Dependencies are inferred from the claim text.