Revisiting a Flotation Cell Benchmark

23 February 2023, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Developing a flotation benchmark to compare any flotation system has been challenging due to the great variation which exists in flotation cell types, geometry, and internal hydrodynamics. Parkes et al (2022) focused on the product flux passing through the upper surface as a Performance Measure, interpreting a batch mechanical cell as a steady-state plug flow device, equivalent to infinite steady-state tanks in series. Recent work revealed a conundrum that arises out of the tanks in series analysis when applied to a system of fixed volume. This Technical Note resolves the issue, providing a much stronger and clearer framework for the flotation benchmark.

Keywords

Reflux Flotation Cell
Kinetics
Flotation
Benchmark
Reaction Engineering
Plug flow
Performance
Tanks in series
Batch processing
Continuous processing

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