Effect of frother and depressant interaction on flotation of Great Dyke PGM ore.
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Date
2018-01
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
The Southern African Institute of Mining and Metallurgy.
Abstract
In the optimization of platinum group metal flotation plants, various
parameters are considered in order to achieve the desired recovery and
grade of the precious metals. There should be a balance in the operating
parameters so as to produce a high-grade valuable mineral concentrate
without compromising recovery. This project seeks to investigate the
individual and interactive effect of flotation reagents at different dosages,
using a full factorial experimental design approach with two factors at six
levels. Laboratory tests were conducted to illustrate the effect of frother
and depressant on flotation. The results were analysed using SPSS and
MiniTab. Based on the F-test at 95% confidence level, the frother had no
significant effect on the concentrate grade but had a significant effect on
4E recovery, mass pull, and water recovery. The depressant had a
significant effect on concentrate grade, water recovery, and mass pull. The
interactive effect of frother and depressant had significant negative effect
on all responses except concentrate grade. The optimum levels for
recovery and grade were analysed assuming equal importance of grade
and recovery as well as double importance for grade.
Description
Open access journal article
Keywords
Froth flotation, Flotation reagents, Frother, Depressant, Interactive effect
Citation
Mberi, T , Mguni, L.L and Ntuli, F. (2018). Effect of frother and depressant interaction on flotation of Great Dyke PGM ore. The journal of the southern african institute of mining and metallurgy, 118, p 65-69