Conference Proceedings
Centenary of Flotation Symposium
Conference Proceedings
Centenary of Flotation Symposium
An Advanced Modelling Technique for Scale-Up of Batch Flotation Results to Plant Metallurgical Performance
A rigorous methodology for prediction of flotation plant performance is presented, which is based on a standardised batch flotation test called the MFT. The work is part of the FLEET program, developed by MinnovEX with the support of seven large mining firms. The methodology is divided into three key steps:
direct measurement of the kinetics of true flotation in the pulp, independent of hydraulic entrainment and other froth effects in the batch cell;
benchmarking of the industrial plant over a broad range of ore types and operation conditions; and
model calibration to describe froth effects in the plant, with a minimal number of parameters.
To date, the methodology has been applied with success at several industrial plants, encompassing copper, gold, nickel, iron, lead, zinc and coal operations. This paper includes a description of the laboratory testwork procedure and scale-up to full industrial circuits. Examples of industrial application are also presented.
direct measurement of the kinetics of true flotation in the pulp, independent of hydraulic entrainment and other froth effects in the batch cell;
benchmarking of the industrial plant over a broad range of ore types and operation conditions; and
model calibration to describe froth effects in the plant, with a minimal number of parameters.
To date, the methodology has been applied with success at several industrial plants, encompassing copper, gold, nickel, iron, lead, zinc and coal operations. This paper includes a description of the laboratory testwork procedure and scale-up to full industrial circuits. Examples of industrial application are also presented.
Contributor(s):
G S Dobby, O N Savassi
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- Published: 2005
- PDF Size: 0.249 Mb.
- Unique ID: P200505026