Fine pyrite flotation in an agitated column cell

The flotation of fine pyrite has been studied in a 0.1 m×1.9 m agitated column. The variables studied were agitation, air and slurry feed rates. The recovery and selectivity were determined for various size fractions as a function of the column operating variables. The results obtained indicate that...

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Bibliographic Details
Published inInternational journal of mineral processing Vol. 58; no. 1; pp. 167 - 178
Main Authors Ityokumbul, M.T, de Aquino, J.A, O'Connor, C.T, Harris, M.C
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.02.2000
Elsevier
Subjects
agitation
Applied sciences
Exact sciences and technology
fine pyrite
flotation
Flotation. Enrichment. Beneficiation
Metals. Metallurgy
Ores
Production of metals
agitation
flotation
fine pyrite
Agitation
Flotation
Pyrite
Flotation machine
Ore treatment
Experimental study
Ore concentration
Hydrometallurgy
Sulfide ore
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Summary:The flotation of fine pyrite has been studied in a 0.1 m×1.9 m agitated column. The variables studied were agitation, air and slurry feed rates. The recovery and selectivity were determined for various size fractions as a function of the column operating variables. The results obtained indicate that particles less than 25 μm may be selectively recovered provided the agitation rates are kept below 400 rpm. Increasing the airflow rate at a fixed agitation rate of 400 rpm resulted in a decrease in the selectivity. The loss of selectivity at higher agitation and airflow rates is attributed to the increased entrainment of fine gangue particles. The results obtained suggest that maximum external power input of about 0.3 kW/m 3 is required for separation of the fine pyrite.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0301-7516
1879-3525
DOI:10.1016/S0301-7516(99)00048-4