Grinding & Classification Circuits

Grinding & Classification Circuits 2017-04-04T06:57:16+00:00
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Estimate Flotation Air Flowrate (1 reply)

Helena Russell
1 year ago
Helena Russell 1 year ago

How to estimate the necessary flow rate of air to feed a row of six flotation cells agitators?

Obersturmbann
1 year ago
Obersturmbann 1 year ago

Take a look at this article for an approach:

Miguel Maldonado, Rodrigo Araya and James Finch
An Overview of Optimizing Strategies for Flotation Banks
Minerals 2012, 2, 258-271; doi:10.3390/min2040258
http://is.gd/wwrR5Y

Abstract:

A flotation bank is a serial arrangement of cells. How to optimally operate a bank remains a challenge. This article reviews three reported strategies: air profiling, mass-pull (froth velocity) profiling and Peak Air Recovery (PAR) profiling. These are all ways of manipulating the recovery profile down a bank, which may be the property being exploited. Mathematical analysis has shown that a flat cell-by-cell recovery profile maximizes the separation of two floatable minerals for a given target bank recovery when the relative floatability is constant down the bank. Available bank survey data are analyzed with respect to recovery profiling. Possible variations on recovery profile to minimize entrainment are discussed.

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