Interaction of Flotation Cell Operating Variables, 2007 TAPPI 8th Research Forum on Recycling

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A laboratory experiment was designed to investigate the relationships between flotation cell operating consistency and specific air volume. For a flotation cell with fixed air input, optimal ink removal can be achieved at 0.8% operating consistency, at the expense of higher yield losses. Where specific air volume can be manipulated, an equivalent ink removal can be achieved through increased air application at higher operating consistencies, and reduced yield losses. The loss of filler particles was found to be independent of operating consistency. The work has implications for the design of flotation cells to improve process profitability.